{"id":1261,"date":"2016-10-07T07:20:00","date_gmt":"2016-10-07T05:20:00","guid":{"rendered":"https:\/\/developers.sd\/%d9%85%d8%af%d8%ae%d9%84-%d8%a5%d9%84%d9%89-%d8%aa%d8%b9%d8%a7%d8%a8%d9%8a%d8%b1-lambda-%d9%88%d8%a7%d8%b3%d8%aa%d8%b9%d9%84%d8%a7%d9%85%d8%a7%d8%aa-linq-%d9%81%d9%8a-%d9%84%d8%ba%d8%a9-%d8%b3%d9%8a\/"},"modified":"2026-08-14T15:13:21","modified_gmt":"2026-08-14T13:13:21","slug":"%d9%85%d8%af%d8%ae%d9%84-%d8%a5%d9%84%d9%89-%d8%aa%d8%b9%d8%a7%d8%a8%d9%8a%d8%b1-lambda-%d9%88%d8%a7%d8%b3%d8%aa%d8%b9%d9%84%d8%a7%d9%85%d8%a7%d8%aa-linq-%d9%81%d9%8a-%d9%84%d8%ba%d8%a9-%d8%b3%d9%8a","status":"publish","type":"post","link":"https:\/\/developers.sd\/?p=1261","title":{"rendered":"\u0645\u062f\u062e\u0644 \u0625\u0644\u0649 \u062a\u0639\u0627\u0628\u064a\u0631 Lambda \u0648\u0627\u0633\u062a\u0639\u0644\u0627\u0645\u0627\u062a Linq \u0641\u064a \u0644\u063a\u0629 \u0633\u064a \u0634\u0627\u0631\u0628 #C"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/academy.hsoub.com\/uploads\/monthly_2016_10\/learn-c-sharp-lambda-linq.png.32158369524301c6bc3eb9570e0c167c.png\"\/><\/p>\n<p> \t\u062a\u0639\u062a\u0628\u0631 \u062a\u0642\u0646\u064a\u0651\u0629 Linq \u0645\u0646 \u0627\u0644\u062a\u0642\u0646\u064a\u0651\u0627\u062a \u0627\u0644\u062c\u062f\u064a\u062f\u0629 \u0646\u0633\u0628\u064a\u0651\u064b\u0627 \u0641\u064a \u0633\u064a \u0634\u0627\u0631\u0628 \u0648\u0644\u063a\u0627\u062a \u062f\u0648\u062a \u0646\u062a \u0639\u0645\u0648\u0645\u064b\u0627. \u062a\u0633\u0645\u062d \u0647\u0630\u0647 \u0627\u0644\u062a\u0642\u0646\u064a\u0651\u0629 \u0628\u0625\u062c\u0631\u0627\u0621 \u0639\u0645\u0644\u064a\u0651\u0627\u062a \u0627\u0633\u062a\u0639\u0644\u0627\u0645 \u0645\u0639\u0642\u0651\u062f\u0629 \u0644\u0627\u0633\u062a\u062e\u0644\u0627\u0635 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0628\u0634\u0643\u0644 \u0633\u0644\u0633 \u0648\u0633\u0647\u0644 \u0628\u0633\u0628\u0628 \u0634\u0643\u0644\u0647\u0627 \u0627\u0644\u0645\u0623\u0644\u0648\u0641 \u0643\u0645\u0627 \u0633\u0646\u0631\u0649 \u0644\u0627\u062d\u0642\u064b\u0627 \u0641\u064a \u0647\u0630\u0627 \u0627\u0644\u062f\u0631\u0633. <\/p>\n<p> \t<img decoding=\"async\" alt=\"learn-c-sharp-lambda-linq.png\" src=\"https:\/\/academy.hsoub.com\/uploads\/monthly_2016_10\/learn-c-sharp-lambda-linq.png.fbd3348d36adda24f02adb3f3529e643.png\"\/><\/p>\n<p> \t\u0644\u062a\u0642\u0646\u064a\u0651\u0629 Linq \u0623\u0634\u0643\u0627\u0644 \u0645\u062a\u0639\u062f\u0651\u062f\u0629: <\/p>\n<ul>\n<li> \t\t<strong>Linq to Objects<\/strong>: \u0644\u0644\u062a\u0639\u0627\u0645\u0644 \u0645\u0639 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0645\u0648\u062c\u0648\u062f\u0629 \u0641\u064a \u0630\u0627\u0643\u0631\u0629 \u0627\u0644\u0628\u0631\u0646\u0627\u0645\u062c. \t<\/li>\n<li> \t\t<strong>Linq To XML<\/strong>: \u0644\u0644\u062a\u0639\u0627\u0645\u0644 \u0645\u0639 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0646\u0635\u064a\u0651\u0629 \u0627\u0644\u0645\u0648\u062c\u0648\u062f\u0629 \u0628\u062a\u0646\u0633\u064a\u0642 XML. \t<\/li>\n<li> \t\t<strong>Linq To SQL<\/strong>: \u0648\u0647\u064a \u062a\u0642\u0646\u064a\u0651\u0629 \u062e\u0627\u0635\u0651\u0629 \u0628\u0627\u0644\u062d\u0635\u0648\u0644 \u0639\u0644\u0649 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0645\u0646 \u062e\u0627\u062f\u0645 SQL Server. \u0641\u064a \u0627\u0644\u062d\u0642\u064a\u0642\u0629 \u062a\u0645\u0651 \u0627\u0644\u062a\u062e\u0644\u0651\u064a \u0639\u0646 \u0647\u0630\u0647 \u0627\u0644\u062a\u0642\u0646\u064a\u0651\u0629 \u0631\u063a\u0645 \u062d\u062f\u0627\u062b\u062a\u0647\u0627\u060c \u0648\u0630\u0644\u0643 \u0644\u0635\u0627\u0644\u062d \u062a\u0642\u0646\u064a\u0651\u0629 \u0623\u062d\u062f\u062b \u0648\u0623\u0643\u062b\u0631 \u062a\u0637\u0648\u0651\u0631\u064b\u0627 \u0648\u0647\u064a Entity Framework. \t<\/li>\n<\/ul>\n<p> \t\u0643\u0645\u0627 \u064a\u062a\u062d\u062f\u0651\u062b \u0647\u0630\u0627 \u0627\u0644\u062f\u0631\u0633 \u0639\u0646 <strong>\u062a\u0639\u0627\u0628\u064a\u0631 Lambda<\/strong> \u0648\u0647\u064a \u0645\u0646 \u0627\u0644\u0645\u0632\u0627\u064a\u0627 \u0627\u0644\u0645\u0641\u064a\u062f\u0629 \u0648\u0627\u0644\u062a\u064a \u062a\u0633\u0647\u0651\u0644 \u0639\u0645\u0644 \u0627\u0644\u0645\u0628\u0631\u0645\u062c\u064a\u0646 \u0625\u0644\u0649 \u062d\u062f\u0651\u064d \u0643\u0628\u064a\u0631. \u0633\u062a\u0646\u0627\u0648\u0644 \u0641\u064a \u0647\u0630\u0627 \u0627\u0644\u062f\u0631\u0633 \u0627\u0644\u0634\u0643\u0644 \u0627\u0644\u0623\u0648\u0651\u0644 \u0645\u0646 Linq\u060c \u0648\u0647\u0648 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 Linq \u0645\u0639 \u0627\u0644\u0643\u0627\u0626\u0646\u0627\u062a Objects. \u0648\u0644\u0643\u0646 \u0642\u0628\u0644 \u0630\u0644\u0643 \u0644\u0646\u062a\u062d\u062f\u0651\u062b \u0642\u0644\u064a\u0644\u064b\u0627 \u0639\u0646 \u062a\u0639\u0627\u0628\u064a\u0631 Lambda. <\/p>\n<h2> \t\u062a\u0639\u0627\u0628\u064a\u0631 Lambda <\/h2>\n<p> \t\u062a\u0633\u062a\u0637\u064a\u0639 \u062a\u062e\u064a\u0651\u0644 \u062a\u0639\u0627\u0628\u064a\u0631 Lambda \u0639\u0644\u0649 \u0623\u0646\u0651\u0647\u0627 \u062f\u0648\u0627\u0644 functions \u0635\u063a\u064a\u0631\u0629 \u0644\u064a\u0633 \u0644\u0647\u0627 \u0627\u0633\u0645\u060c \u062a\u0639\u0645\u0644 \u0639\u0644\u0649 \u0625\u062c\u0631\u0627\u0621 \u0639\u0645\u0644\u064a\u0651\u0627\u062a \u062d\u0633\u0627\u0628\u064a\u0651\u0629 \u0628\u0633\u064a\u0637\u0629\u060c \u0648\u0645\u0646 \u0627\u0644\u0645\u0645\u0643\u0646 \u0623\u0646 \u062a\u0631\u062c\u0639 \u0646\u062a\u064a\u062c\u0629. \u0641\u064a \u0627\u0644\u0648\u0627\u0642\u0639 \u064a\u0645\u0643\u0646 \u0644\u0644\u0646\u0648\u0651\u0627\u0628 Delegates \u0623\u0646 \u062a\u063a\u0644\u0651\u0641 \u062a\u0639\u0627\u0628\u064a\u0631 Lambda \u0636\u0645\u0646 \u0634\u0631\u0648\u0637 \u0645\u062d\u062f\u0651\u062f\u0629. \u0633\u0646\u062a\u0646\u0627\u0648\u0644 \u0645\u062b\u0627\u0644\u064b\u0627 \u0628\u0633\u064a\u0637\u064b\u0627 \u064a\u0648\u0636\u0651\u062d \u0643\u064a\u0641\u064a\u0651\u0629 \u0627\u0644\u062a\u0639\u0627\u0645\u0644 \u0645\u0639\u0647\u0627. \u0627\u0646\u0638\u0631 \u0625\u0644\u0649 \u0627\u0644\u0634\u064a\u0641\u0631\u0629 \u0627\u0644\u062a\u0627\u0644\u064a\u0629: <\/p>\n<pre> class Program { \tdelegate int Square(int x);  \tstatic void Main(string[] args) \t{ \t\tSquare square = (x) => x * x; \t\tint result = square(5); \t} }<\/pre>\n<p> \t\u0635\u0631\u0651\u062d\u0646\u0627 \u0641\u064a \u0627\u0644\u0634\u064a\u0641\u0631\u0629 \u0627\u0644\u0633\u0627\u0628\u0642\u0629 \u0639\u0646 \u0627\u0644\u0646\u0627\u0626\u0628 Square \u0627\u0644\u0630\u064a \u064a\u062a\u0637\u0644\u0651\u0628 \u0648\u0633\u064a\u0637\u064b\u0627 \u0648\u0627\u062d\u062f\u064b\u0627 \u0645\u0646 \u0627\u0644\u0646\u0648\u0639 int \u0648\u064a\u064f\u0631\u062c\u0639 \u0642\u064a\u0645\u0629 \u0645\u0646 \u0646\u0641\u0633 \u0627\u0644\u0646\u0648\u0639. \u064a\u064f\u0641\u062a\u0631\u0636 \u0628\u0647\u0630\u0627 \u0627\u0644\u0646\u0627\u0626\u0628 \u0628\u0623\u0646 \u064a\u064f\u063a\u0644\u0651\u0641 \u0627\u0644\u062a\u0648\u0627\u0628\u0639 \u0627\u0644\u062a\u064a \u062a\u0639\u0645\u0644 \u0639\u0644\u0649 \u0625\u064a\u062c\u0627\u062f \u0645\u0631\u0628\u0651\u0639 \u0639\u062f\u062f \u0635\u062d\u064a\u062d. \u0625\u0630\u0627 \u0646\u0638\u0631\u062a \u0627\u0644\u0622\u0646 \u0625\u0644\u0649 \u0627\u0644\u062a\u0627\u0628\u0639 Main \u0633\u062a\u062c\u062f \u0623\u0646\u0651\u0646\u0627 \u0641\u064a \u0627\u0644\u0633\u0637\u0631 \u0627\u0644\u0623\u0648\u0651\u0644 \u0645\u0646\u0647 \u0646\u0635\u0631\u0651\u062d \u0639\u0646 \u0627\u0644\u0645\u062a\u063a\u064a\u0651\u0631 square \u0645\u0646 \u0646\u0648\u0639 \u0627\u0644\u0646\u0627\u0626\u0628 Square\u060c \u062d\u064a\u062b \u0646\u064f\u0633\u0646\u062f \u0625\u0644\u064a\u0647 \u0645\u0627 \u064a\u0644\u064a: <\/p>\n<pre> (x) => x * x<\/pre>\n<p> \t\u0627\u0644\u062a\u0639\u0628\u064a\u0631 \u0627\u0644\u0633\u0627\u0628\u0642 \u0647\u0648 \u062a\u0639\u0628\u064a\u0631 Lambda \u0628\u0633\u0628\u0628 \u0648\u062c\u0648\u062f \u0627\u0644\u0633\u0647\u0645 <= \u0636\u0645\u0646\u0647. \u0641\u0647\u0645 \u0647\u0630\u0627 \u0627\u0644\u062a\u0639\u0628\u064a\u0631 \u0628\u0633\u064a\u0637\u060c \u0641\u0647\u0648 \u064a\u0637\u0644\u0628 \u0648\u0633\u064a\u0637\u064b\u0627 \u0648\u062d\u064a\u062f\u064b\u0627 (x) \u0639\u0644\u0649 \u064a\u0633\u0627\u0631 \u0627\u0644\u0633\u0647\u0645\u060c \u0648\u064a\u0636\u0631\u0628 \u0642\u064a\u0645\u0629 \u0647\u0630\u0627 \u0627\u0644\u0648\u0633\u064a\u0637 \u0628\u0646\u0641\u0633\u0647\u0627: x * x \u0639\u0644\u0649 \u064a\u0645\u064a\u0646 \u0627\u0644\u0633\u0647\u0645\u060c \u0633\u064a\u064f\u0631\u062c\u0639 \u0647\u0630\u0627 \u0627\u0644\u062a\u0639\u0628\u064a\u0631 \u0642\u064a\u0645\u0629 x \u0645\u0636\u0631\u0648\u0628\u0629\u064b \u0628\u0646\u0641\u0633\u0647\u0627. \u0648\u0644\u0643\u0646 \u0627\u0644\u0645\u0644\u0641\u062a \u0641\u064a \u0627\u0644\u0623\u0645\u0631 \u0623\u0646\u0651\u0646\u0627 \u0642\u062f \u0623\u0633\u0646\u062f\u0646\u0627 \u0647\u0630\u0627 \u0627\u0644\u062a\u0639\u0628\u064a\u0631 \u0625\u0644\u0649 \u0645\u062a\u063a\u064a\u0651\u0631 \u0645\u0646 \u0646\u0648\u0639 \u0627\u0644\u0646\u0627\u0626\u0628 Square. \u0627\u0644\u0633\u0628\u0628 \u0641\u064a \u0630\u0644\u0643 \u0623\u0646\u0651 \u062a\u0639\u0628\u064a\u0631 Lambda \u0627\u0644\u0633\u0627\u0628\u0642 \u064a\u062a\u0648\u0627\u0641\u0642 \u0645\u0639 \u0627\u0644\u0646\u0627\u0626\u0628 Square \u0641\u064a \u0623\u0646\u0651\u0647 \u064a\u062d\u062a\u0627\u062c \u0625\u0644\u0649 \u0648\u0633\u064a\u0637 \u0648\u062d\u064a\u062f \u0645\u0646 \u0627\u0644\u0646\u0648\u0639 int \u0648\u064a\u064f\u0631\u062c\u0639 \u0642\u064a\u0645\u0629 \u0645\u0646 \u0646\u0641\u0633 \u0627\u0644\u0646\u0648\u0639. \u0648\u0644\u0643\u0646\u0651\u0646\u0627 \u0644\u0645 \u0646\u0648\u0636\u0651\u062d \u0641\u064a \u062a\u0639\u0628\u064a\u0631 Lambda \u0646\u0648\u0639 \u0627\u0644\u0648\u0633\u064a\u0637 \u0623\u0648 \u0646\u0648\u0639 \u0627\u0644\u0642\u064a\u0645\u0629 \u0627\u0644\u0645\u064f\u0639\u0627\u062f\u0629! \u0644\u0627 \u0645\u0634\u0643\u0644\u0629 \u0641\u064a \u0630\u0644\u0643\u060c \u0641\u0633\u064a\u062a\u0645 \u0627\u0633\u062a\u062e\u0644\u0627\u0635 \u0627\u0644\u0646\u0648\u0639 \u0645\u0646 \u0627\u0644\u0648\u0633\u064a\u0637 \u0627\u0644\u0645\u064f\u0645\u0631\u0651\u0631 \u0648\u0630\u0644\u0643 \u0628\u0634\u0643\u0644 \u062a\u0644\u0642\u0627\u0626\u064a. <\/p>\n<p> \t\u0643\u0645\u062b\u0627\u0644 \u0622\u062e\u0631 \u0639\u0644\u0649 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u062a\u0639\u0628\u064a\u0631 Lambda \u064a\u0645\u0643\u0646 \u0643\u062a\u0627\u0628\u0629 \u062a\u0639\u0628\u064a\u0631 \u064a\u062a\u0637\u0644\u0651\u0628 \u0648\u0633\u064a\u0637\u064a\u0646 \u0648\u0644\u0643\u0646 \u0644\u0627 \u064a\u064f\u0631\u062c\u0639 \u0623\u064a \u0642\u064a\u0645\u0629. \u0627\u0646\u0638\u0631 \u0625\u0644\u0649 \u0627\u0644\u0634\u064a\u0641\u0631\u0629 \u0627\u0644\u062a\u0627\u0644\u064a\u0629: <\/p>\n<pre> class Program { \tdelegate void SumAndPrinting(int a, int b);  \tstatic void Main(string[] args) \t{ \t\tSumAndPrinting sumAndPrnt = (a, b) => Console.WriteLine(a + b); \t\tsumAndPrnt(3, 4); \t} }<\/pre>\n<p> \t\u0627\u0644\u0646\u0627\u0626\u0628 SumAndPrinting \u064a\u0642\u0628\u0644 \u0627\u0644\u0622\u0646 \u0648\u0633\u064a\u0637\u064a\u0646 \u0645\u0646 \u0627\u0644\u0646\u0648\u0639 int \u0644\u0643\u0646\u0651\u0647 \u0644\u0627 \u064a\u064f\u0631\u062c\u0639 \u0623\u064a \u0642\u064a\u0645\u0629 (void). \u0627\u0646\u0638\u0631 \u0625\u0644\u0649 \u062a\u0639\u0628\u064a\u0631 Lambda \u0643\u064a\u0641 \u0623\u0635\u0628\u062d: <\/p>\n<pre> (a, b) => Console.WriteLine(a + b)<\/pre>\n<p> \t\u0644\u0627\u062d\u0638 \u0643\u064a\u0641 \u0623\u0646\u0651 \u0627\u0644\u0648\u0633\u0627\u0626\u0637 \u0627\u0644\u0645\u0648\u062c\u0648\u062f\u0629 \u0628\u064a\u0646 \u0642\u0648\u0633\u064a\u0646 \u062a\u0641\u0635\u0644 \u0628\u064a\u0646\u0647\u0627 \u0641\u0648\u0627\u0635\u0644 \u0639\u0627\u062f\u064a\u0651\u0629 \u062f\u0648\u0646 \u062a\u062d\u062f\u064a\u062f \u0627\u0644\u0623\u0646\u0648\u0627\u0639. \u0643\u0645\u0627 \u064a\u0645\u0643\u0646\u0643 \u0623\u0646 \u062a\u0644\u0627\u062d\u0638 \u0623\u064a\u0636\u064b\u0627 \u0628\u0623\u0646\u0651 \u0647\u0630\u0627 \u0627\u0644\u062a\u0639\u0628\u064a\u0631 \u0645\u0647\u0645\u0651\u062a\u0647 \u062c\u0645\u0639 \u0642\u064a\u0645\u062a\u064a \u0627\u0644\u0648\u0633\u064a\u0637\u064a\u0646 \u0648\u0627\u0644\u0637\u0628\u0639 \u0625\u0644\u0649 \u0627\u0644\u0634\u0627\u0634\u0629 \u062f\u0648\u0646 \u0625\u0631\u062c\u0627\u0639 \u0623\u064a\u0651 \u0642\u064a\u0645\u0629. <\/p>\n<p> \t<strong>\u0645\u0644\u0627\u062d\u0638\u0629<\/strong>: \u064a\u0645\u0643\u0646\u0646\u0627 \u0627\u0644\u0627\u0633\u062a\u063a\u0646\u0627\u0621 \u0639\u0646 \u0627\u0644\u0642\u0648\u0633\u064a\u0646 \u0641\u064a \u062a\u0639\u0628\u064a\u0631 Lambda\u060c \u0625\u0630\u0627 \u0623\u0631\u062f\u0646\u0627 \u062a\u0645\u0631\u064a\u0631 \u0648\u0633\u064a\u0637 \u0648\u0627\u062d\u062f \u0641\u0642\u0637. \u0645\u062b\u0644: <\/p>\n<pre> x => x * x<\/pre>\n<h2> \t\u0627\u0633\u062a\u0639\u0644\u0627\u0645\u0627\u062aLinq <\/h2>\n<p> \t\u0644\u0644\u0627\u0633\u062a\u0641\u0627\u062f\u0629 \u0645\u0646 Linq \u064a\u062c\u0628 \u0625\u0636\u0627\u0641\u0629 \u0646\u0637\u0627\u0642 \u0627\u0644\u0627\u0633\u0645 System.Linq \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u0643\u0644\u0645\u0629 \u0627\u0644\u0645\u062d\u062c\u0648\u0632\u0629 using. \u0623\u0641\u0636\u0644 \u0648\u0633\u064a\u0644\u0629 \u0644\u0641\u0647\u0645 Linq \u0647\u064a \u0645\u0646 \u062e\u0644\u0627\u0644 \u0645\u062b\u0627\u0644 \u062a\u0637\u0628\u064a\u0642\u064a \u0628\u0633\u064a\u0637\u060c \u0641\u064a \u0627\u0644\u0628\u0631\u0646\u0627\u0645\u062c Lesson15_01 \u0633\u0646\u0633\u062a\u062e\u062f\u0645 \u0627\u0644\u0635\u0646\u0641 Student \u0627\u0644\u0630\u064a \u0627\u0633\u062a\u062e\u062f\u0645\u0646\u0627\u0647 \u0641\u064a \u062f\u0631\u0633 \u0633\u0627\u0628\u0642 \u0648\u0644\u0643\u0646 \u0633\u0646\u062c\u0631\u064a \u0641\u064a\u0647 \u0628\u0639\u0636 \u0627\u0644\u062a\u0639\u062f\u064a\u0644\u0627\u062a \u0627\u0644\u0628\u0633\u064a\u0637\u0629\u060c \u062d\u064a\u062b \u0623\u0635\u0628\u062d\u0646\u0627 \u0646\u0641\u0635\u0644 \u0627\u0633\u0645 \u0627\u0644\u0637\u0627\u0644\u0628 FirstName \u0639\u0646 \u0643\u0646\u064a\u062a\u0647 LastName\u060c \u0628\u0627\u0644\u0625\u0636\u0627\u0641\u0629 \u0625\u0644\u0649 \u0625\u0636\u0627\u0641\u0629 \u062d\u0642\u0644 \u062c\u062f\u064a\u062f \u0627\u0633\u0645\u0647 Id \u0645\u0646 \u0627\u0644\u0646\u0648\u0639 int\u060c \u0648\u0627\u0644\u0630\u064a \u064a\u064f\u0639\u0628\u0651\u0631 \u0639\u0646 \u0631\u0642\u0645 \u0627\u0644\u0637\u0627\u0644\u0628: <\/p>\n<pre> class Student { \tpublic int Id { get; set; } \tpublic string FirstName { get; set; } \tpublic string LastName { get; set; } \tpublic int Mark { get; set; } }<\/pre>\n<p> \t\u0633\u0646\u0646\u0634\u0626 10 \u0643\u0627\u0626\u0646\u0627\u062a \u0645\u0646 \u0627\u0644\u0635\u0646\u0641 Student \u0648\u0646\u062e\u0632\u0651\u0646\u0647\u0627 \u0636\u0645\u0646 \u0645\u062c\u0645\u0648\u0639\u0629 \u0639\u0645\u0648\u0645\u064a\u0651\u0629 <List<Student \u062b\u0645 \u0646\u064f\u062c\u0631\u064a \u0639\u0644\u0649 \u0647\u0630\u0647 \u0627\u0644\u0645\u062c\u0645\u0648\u0639\u0629 \u0628\u0639\u0636 \"\u0627\u0644\u062d\u064a\u0644\" \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 Linq. \u0627\u0644\u0647\u062f\u0641 \u0645\u0646 \u0647\u0630\u0627 \u0627\u0644\u0628\u0631\u0646\u0627\u0645\u062c \u0647\u0648 \u0625\u062c\u0631\u0627\u0621 \u0639\u0645\u0644\u064a\u0651\u0629 \u062a\u0635\u0641\u064a\u0629 \u0639\u0644\u0649 \u0647\u0624\u0644\u0627\u0621 \u0627\u0644\u0637\u0644\u0651\u0627\u0628 \u0628\u062d\u064a\u062b \u0646\u062d\u0635\u0644 \u0639\u0644\u0649 \u0627\u0644\u0637\u0644\u0651\u0627\u0628 \u0627\u0644\u0630\u064a\u0646 \u062a\u0643\u0648\u0646 \u062f\u0631\u062c\u0627\u062a\u0647\u0645 \u0623\u0643\u0628\u0631 \u062a\u0645\u0627\u0645\u064b\u0627 \u0645\u0646 60. \u0633\u064a\u062d\u062a\u0648\u064a \u0627\u0644\u0628\u0631\u0646\u0627\u0645\u062c Lesson15_01 \u0639\u0644\u0649 \u0623\u0641\u0643\u0627\u0631 \u062c\u062f\u064a\u062f\u0629 \u0648\u0644\u0643\u0646 \u0645\u0641\u064a\u062f\u0629 \u0641\u0643\u0646 \u0645\u0633\u062a\u0639\u062f\u0651\u064b\u0627: <\/p>\n<pre> 1\tusing System; 2\tusing System.Collections.Generic; 3\tusing System.Linq; 4 5\tnamespace Lesson15_01 6\t{ 7\t    class Student 8\t    { 9\t        public int Id { get; set; } 10\t        public string FirstName { get; set; } 11\t        public string LastName { get; set; } 12\t        public int Mark { get; set; } 13\t    } 14 15\t    class Program 16\t    { 17\t        static void Main(string[] args) 18\t        { 19\t            List<Student> studentsList = new List<Student>() 20\t            { 21\t                new Student {Id = 1, FirstName = \"Ahmad\", LastName = \"Morad\" , Mark = 80}, 22\t                new Student {Id = 2, FirstName = \"Husam\", LastName = \"Sayed\" , Mark = 75}, 23\t                new Student {Id = 3, FirstName = \"Nour\", LastName = \"Hasan\" , Mark = 65}, 24\t                new Student {Id = 4, FirstName = \"Bssel\", LastName = \"Shamma\" , Mark = 30}, 25\t                new Student {Id = 5, FirstName = \"Ahmad\", LastName = \"Khatib\" , Mark = 90}, 26\t                new Student {Id = 6, FirstName = \"Maryam\", LastName = \"Burhan\" , Mark = 95}, 27\t                new Student {Id = 7, FirstName = \"Sarah\", LastName = \"Burhan\" , Mark = 100}, 28\t                new Student {Id = 8, FirstName = \"Mansour\", LastName = \"Khalid\" , Mark = 50}, 29\t                new Student {Id = 9, FirstName = \"Omran\", LastName = \"Barrak\" , Mark = 45}, 30\t                new Student {Id = 10, FirstName = \"Hasan\", LastName = \"Anis\" , Mark = 56}, 31\t            }; 32 33\t            Console.WriteLine(\"Full List:\"); 34\t            Console.WriteLine(\"----------\"); 35\t            PrintList(studentsList); 36 37 38\t            IEnumerable<Student> students = from student in studentsList 39\t                                            where student.Mark > 60 40\t                                            select student; 41 42\t            Console.WriteLine(); 43\t            Console.WriteLine(\"After applying Linq:\"); 44\t            Console.WriteLine(\"----------\"); 45\t            PrintList(students); 46\t        } 47\t 48\t        private static void PrintList(IEnumerable<Student> students) 49\t        { 50\t            Console.WriteLine(\"{0,-5}{1,-15}{2,-15}{3,-10}\", \"Id\", \"First Name\", \"Last Name\", \"Mark\"); 51 52\t            foreach (Student s in students) 53\t            { 54\t                Console.WriteLine(\"{0,-5}{1,-15}{2,-15}{3,-10}\", s.Id, s.FirstName, s.LastName, s.Mark); 55\t            } 56\t        } 57\t    } 58\t}<\/pre>\n<p> \t\u0646\u0641\u0651\u0630 \u0627\u0644\u0628\u0631\u0646\u0627\u0645\u062c \u0627\u0644\u0633\u0627\u0628\u0642 \u0644\u062a\u062d\u0635\u0644 \u0639\u0644\u0649 \u0634\u0643\u0644 \u0634\u0628\u064a\u0647 \u0628\u0645\u0627 \u064a\u0644\u064a: <\/p>\n<p> \t<a href=\"https:\/\/academy.hsoub.com\/uploads\/monthly_2016_10\/57f63d7946a4d_fig01(1).png.0296f8d18a9507a5e6a9a5ef334b3e8f.png\" rel=\"noreferrer noopener\" target=\"_blank\"><img decoding=\"async\" alt=\"fig01 (1).png\" src=\"https:\/\/academy.hsoub.com\/uploads\/monthly_2016_10\/57f63d7971e9b_fig01(1).thumb.png.e7c074d25990b818d9ac00fdb0c205b0.png\"\/><\/a> <\/p>\n<p> \t\u0644\u0627\u062d\u0638 \u0643\u064a\u0641 \u0627\u0633\u062a\u062b\u0646\u0649 \u0627\u0644\u0628\u0631\u0646\u0627\u0645\u062c \u0641\u064a \u0627\u0644\u0642\u0627\u0626\u0645\u0629 \u0627\u0644\u062b\u0627\u0646\u064a\u0629 \u0627\u0644\u0637\u0644\u0627\u0628 \u0627\u0644\u0630\u064a\u0646 \u062a\u0642\u0644 \u062f\u0631\u062c\u0627\u062a\u0647\u0645 \u0639\u0646 60 \u0623\u0648 \u062a\u0633\u0627\u0648\u064a\u0647\u0627. \u0642\u0627\u0631\u0646 \u0628\u064a\u0646 \u0627\u0644\u0642\u0627\u0626\u0645\u062a\u064a\u0646 \u0648\u0627\u0643\u062a\u0634\u0641 \u0627\u0644\u0639\u0646\u0627\u0635\u0631 \u0627\u0644\u0645\u0633\u062a\u062b\u0646\u0627\u0629. <\/p>\n<p> \t\u064a\u0628\u062f\u0623 \u0627\u0644\u0628\u0631\u0646\u0627\u0645\u062c \u0641\u064a \u0627\u0644\u062a\u0627\u0628\u0639 Main \u0628\u0625\u0646\u0634\u0627\u0621 10 \u0643\u0627\u0626\u0646\u0627\u062a \u0645\u0646 \u0627\u0644\u0646\u0648\u0639 Student \u062a\u0645\u062b\u0651\u0644 \u0628\u064a\u0627\u0646\u0627\u062a \u0639\u0634\u0631\u0629 \u0637\u0644\u0651\u0627\u0628 \u0648\u0625\u0633\u0646\u0627\u062f \u0647\u0630\u0647 \u0627\u0644\u0643\u0627\u0626\u0646\u0627\u062a \u0641\u0648\u0631\u064b\u0627 \u0625\u0644\u0649 \u0627\u0644\u0645\u062c\u0645\u0648\u0639\u0629 \u0627\u0644\u0642\u0627\u0626\u0645\u0629 studentsList \u0628\u0634\u0643\u0644 \u0645\u062e\u062a\u0635\u0631 (\u0627\u0644\u0623\u0633\u0637\u0631 \u0645\u0646 19 \u0625\u0644\u0649 31). \u0627\u0644\u0645\u0644\u0641\u062a \u0647\u0646\u0627 \u0647\u0648 \u0637\u0631\u064a\u0642\u0629 \u0625\u0646\u0634\u0627\u0621 \u0643\u0644 \u0645\u0646 \u0647\u0630\u0647 \u0627\u0644\u0643\u0627\u0626\u0646\u0627\u062a. \u0627\u0646\u0638\u0631 \u0625\u0644\u0649 \u0627\u0644\u0633\u0637\u0631 21 \u0645\u062b\u0644\u064b\u0627: <\/p>\n<pre> new Student {Id = 1, FirstName = \"Ahmad\", LastName = \"Morad\" , Mark = 80}<\/pre>\n<p> \t\u0647\u0630\u0627 \u0634\u0643\u0644 \u0645\u062e\u062a\u0635\u0631 \u0644\u0625\u0646\u0634\u0627\u0621 \u0643\u0627\u0626\u0646 \u0645\u0646 \u0627\u0644\u0646\u0648\u0639 Student \u062d\u064a\u062b \u0627\u0633\u062a\u062e\u062f\u0645\u0646\u0627 \u062d\u0627\u0636\u0646\u0629 {} \u0628\u0639\u062f \u0627\u0633\u0645 \u0627\u0644\u0635\u0646\u0641 Student \u0645\u0628\u0627\u0634\u0631\u0629\u064b \u0648\u0643\u062a\u0628\u0646\u0627 \u0623\u0633\u0645\u0627\u0621 \u0627\u0644\u062e\u0635\u0627\u0626\u0635 \u0627\u0644\u062a\u064a \u0646\u0631\u064a\u062f \u062a\u0647\u064a\u0626\u062a\u0647\u0627 \u0636\u0645\u0646 \u0647\u0630\u0647 \u0627\u0644\u062d\u0627\u0636\u0646\u0629. \u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0628\u0627\u0646\u064a\u0651\u0629 \u0627\u0644\u0635\u0646\u0641 Student \u0641\u0633\u062a\u064f\u0633\u062a\u062f\u0639\u0649 \u0628\u0643\u0644\u0651 \u062a\u0623\u0643\u064a\u062f. \u064a\u0639\u062a\u0628\u0631 \u0647\u0630\u0627 \u0627\u0644\u0634\u0643\u0644 \u0645\u0646 \u0627\u0644\u0625\u0646\u0634\u0627\u0621 \u0648\u0627\u0644\u0625\u0633\u0646\u0627\u062f \u0627\u0644\u0645\u0628\u0627\u0634\u0631 \u0644\u0644\u062e\u0635\u0627\u0626\u0635 \u0645\u0641\u064a\u062f\u064b\u0627 \u0644\u0644\u063a\u0627\u064a\u0629 (\u0623\u0633\u062a\u062e\u062f\u0645\u0647 \u0628\u0643\u062b\u0631\u0629 \u0641\u064a \u0628\u0631\u0627\u0645\u062c\u064a \u0627\u0644\u062e\u0627\u0635\u0651\u0629) \u062d\u064a\u062b \u064a\u0642\u0644\u0651\u0644 \u0645\u0646 \u0623\u0633\u0637\u0631 \u0627\u0644\u0634\u064a\u0641\u0631\u0629 \u0627\u0644\u0628\u0631\u0645\u062c\u064a\u0651\u0629 \u0625\u0644\u0649 \u062d\u062f\u0651\u064d \u0643\u0628\u064a\u0631. <\/p>\n<p> \t\u0633\u064a\u0637\u0628\u0639 \u0627\u0644\u0628\u0631\u0646\u0627\u0645\u062c \u0628\u0639\u062f \u0630\u0644\u0643 \u0627\u0644\u0642\u0627\u0626\u0645\u0629 \u0627\u0644\u062a\u064a \u0623\u0646\u0634\u0623\u0646\u0627\u0647\u0627 \u0642\u0628\u0644 \u0642\u0644\u064a\u0644 \u0645\u0646 \u0628\u0627\u0628 \u0627\u0644\u062a\u0648\u0636\u064a\u062d\u060c \u0648\u0630\u0644\u0643 \u0645\u0646 \u062e\u0644\u0627\u0644 \u0627\u0633\u062a\u062f\u0639\u0627\u0621 \u0627\u0644\u062a\u0627\u0628\u0639 \u0627\u0644\u0633\u0627\u0643\u0646 PrintList (\u0627\u0644\u0633\u0637\u0631 35) \u0628\u0627\u0644\u0634\u0643\u0644 \u0627\u0644\u062a\u0627\u0644\u064a: <\/p>\n<pre> PrintList(studentsList);<\/pre>\n<p> \t\u0645\u0631\u0651\u0631\u0646\u0627 \u0644\u0647\u0630\u0627 \u0627\u0644\u062a\u0627\u0628\u0639 \u0627\u0644\u0642\u0627\u0626\u0645\u0629 \u0627\u0644\u0643\u0627\u0645\u0644\u0629 studentsList. \u0627\u0644\u062a\u0635\u0631\u064a\u062d \u0639\u0646 \u0627\u0644\u062a\u0627\u0628\u0639 \u0627\u0644\u0633\u0627\u0643\u0646 \u0645\u0648\u062c\u0648\u062f \u0641\u064a \u0627\u0644\u0623\u0633\u0637\u0631 \u0628\u064a\u0646 48 \u0648 56 \u0648\u0633\u0646\u062a\u0643\u0644\u0651\u0645 \u0639\u0646\u0647 \u0628\u0639\u062f \u0642\u0644\u064a\u0644. <\/p>\n<p> \t\u064a\u062d\u062a\u0648\u064a \u0627\u0644\u0633\u0637\u0631 38 \u0639\u0644\u0649 \u0639\u0628\u0627\u0631\u0629 \u0628\u0631\u0645\u062c\u064a\u0651\u0629 \u062a\u0633\u062a\u062e\u062f\u0645 \u0627\u0633\u062a\u0639\u0644\u0627\u0645 Linq: <\/p>\n<pre> IEnumerable<Student> students = from student in studentsList where student.Mark > 60 select student;<\/pre>\n<p> \t\u064a\u0642\u0639 \u0627\u0633\u062a\u0639\u0644\u0627\u0645 Linq \u0639\u0644\u0649 \u064a\u0645\u064a\u0646 \u0639\u0627\u0645\u0644 \u0627\u0644\u0625\u0633\u0646\u0627\u062f (=)\u060c \u0648\u0641\u064a \u0627\u0644\u062d\u0642\u064a\u0642\u0629 \u0625\u0630\u0627 \u0643\u0627\u0646 \u0644\u062f\u064a\u0643 \u0627\u0637\u0651\u0644\u0627\u0639 \u0639\u0644\u0649 \u0644\u063a\u0629 SQL \u0641\u0633\u064a\u0643\u0648\u0646 \u0647\u0630\u0627 \u0627\u0644\u0627\u0633\u062a\u0639\u0644\u0627\u0645 \u0645\u0623\u0644\u0648\u0641\u064b\u0627 \u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0625\u0644\u064a\u0643. \u0644\u0646\u0631\u0643\u0651\u0632 \u0627\u0644\u0622\u0646 \u0639\u0644\u0649 \u0647\u0630\u0627 \u0627\u0644\u0627\u0633\u062a\u0639\u0644\u0627\u0645 \u0641\u062d\u0633\u0628: <\/p>\n<pre> from student in studentsList where student.Mark > 60 select student<\/pre>\n<p> \t\u064a\u0628\u062f\u0623 \u0627\u0644\u0627\u0633\u062a\u0639\u0644\u0627\u0645 \u0628\u0627\u0644\u0643\u0644\u0645\u0629 \u0627\u0644\u0645\u062d\u062c\u0648\u0632\u0629 from \u064a\u062a\u0628\u0639\u0647 \u0627\u0633\u0645 \u0645\u062a\u063a\u064a\u0651\u0631 \u062c\u062f\u064a\u062f \u064a\u0645\u0643\u0646\u0643 \u062a\u0633\u0645\u064a\u0651\u062a\u0647 \u0628\u0623\u064a\u0651 \u0627\u0633\u0645 \u062a\u0631\u063a\u0628\u0647. \u0627\u062e\u062a\u0631\u062a \u0627\u0644\u0627\u0633\u0645 student \u0644\u0623\u0646\u0651\u0646\u064a \u0648\u062c\u062f\u062a\u0651\u0647 \u0645\u0639\u0628\u0651\u0631\u064b\u0627. \u0628\u0639\u062f \u0627\u0633\u0645 \u0627\u0644\u0645\u062a\u063a\u064a\u0651\u0631 \u0627\u0644\u062c\u062f\u064a\u062f \u0646\u062c\u062f \u0627\u0644\u0643\u0644\u0645\u0629 \u0627\u0644\u0645\u062d\u062c\u0648\u0632\u0629 in \u0648\u0628\u0639\u062f\u0647\u0627 \u0627\u0633\u0645 \u0627\u0644\u0645\u062c\u0645\u0648\u0639\u0629 \u0627\u0644\u062a\u064a \u0646\u0631\u064a\u062f \u062a\u0637\u0628\u064a\u0642 \u0627\u0644\u0627\u0633\u062a\u0639\u0644\u0627\u0645 \u0639\u0644\u064a\u0647\u0627. \u0625\u0630\u064b\u0627 \u0623\u0635\u0628\u062d \u0628\u0625\u0645\u0643\u0627\u0646\u0646\u0627 \u0642\u0631\u0627\u0621\u0629 \u0627\u0644\u0633\u0637\u0631 \u0627\u0644\u0623\u0648\u0651\u0644 \u0645\u0646 \u0627\u0644\u0627\u0633\u062a\u0639\u0644\u0627\u0645 \u0639\u0644\u0649 \u0627\u0644\u0634\u0643\u0644 \u0627\u0644\u062a\u0627\u0644\u064a: <\/p>\n<blockquote><p> \t \t\t\u0627\u0642\u062a\u0628\u0627\u0633 \t  \t \t\t<\/p>\n<p> \t\t\t&#8220;\u0645\u0646 \u0623\u062c\u0644 \u0643\u0644 \u0639\u0646\u0635\u0631 student \u0645\u0648\u062c\u0648\u062f \u0636\u0645\u0646 \u0627\u0644\u0645\u062c\u0645\u0648\u0639\u0629 studentsList&#8221;. \t\t<\/p>\n<\/blockquote>\n<p> \t\u064a\u0628\u062f\u0623 \u0627\u0644\u0633\u0637\u0631 \u0627\u0644\u062b\u0627\u0646\u064a \u0628\u0627\u0644\u0643\u0644\u0645\u0629 \u0627\u0644\u0645\u062d\u062c\u0648\u0632\u0629 where \u0648\u0647\u064a \u0627\u062e\u062a\u064a\u0627\u0631\u064a\u0651\u0629 \u0648\u0645\u0646 \u0627\u0644\u0645\u0645\u0643\u0646 \u0639\u062f\u0645 \u0643\u062a\u0627\u0628\u062a\u0647\u0627\u060c \u0648\u0647\u064a \u062a\u0633\u0645\u062d \u0628\u0643\u062a\u0627\u0628\u0629 \u0634\u0631\u0637 \u0645\u0646 \u0645\u0645\u0643\u0646 \u062a\u0637\u0628\u064a\u0642\u0647 \u0639\u0644\u0649 \u0639\u0646\u0627\u0635\u0631 \u0627\u0644\u0645\u062c\u0645\u0648\u0639\u0629 studentsList. \u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0645\u062b\u0627\u0644\u0646\u0627 \u0647\u0630\u0627\u060c \u0627\u062e\u062a\u0631\u062a \u062a\u0637\u0628\u064a\u0642 \u0627\u0644\u0634\u0631\u0637: <\/p>\n<pre> where student.Mark > 60<\/pre>\n<p> \t\u0623\u064a \u0623\u0646\u0651\u0646\u064a \u0623\u0631\u064a\u062f \u0623\u0646 \u062a\u0643\u0648\u0646 \u062f\u0631\u062c\u0629 \u0643\u0644 \u0637\u0627\u0644\u0628 (student) \u0623\u0643\u0628\u0631 \u062a\u0645\u0627\u0645\u064b\u0627 \u0645\u0646 60. <\/p>\n<p> \t\u0623\u0645\u0651\u0627 \u0627\u0644\u0633\u0637\u0631 \u0627\u0644\u062b\u0627\u0644\u062b select student \u0641\u0647\u0648 \u064a\u062e\u0628\u0631 Linq \u0639\u0646 \u0634\u0643\u0644 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u062a\u064a \u0646\u0631\u064a\u062f \u0627\u0644\u062d\u0635\u0648\u0644 \u0639\u0644\u064a\u0647\u0627 \u0628\u0646\u062a\u064a\u062c\u0629 \u062a\u0646\u0641\u064a\u0630 \u0627\u0644\u0627\u0633\u062a\u0639\u0644\u0627\u0645. \u0641\u064a \u0645\u062b\u0627\u0644\u0646\u0627 \u0647\u0630\u0627 \u0646\u0631\u064a\u062f \u0627\u0644\u062d\u0635\u0648\u0644 \u0639\u0644\u0649 \u0645\u062c\u0645\u0648\u0639\u0629 \u0643\u0644 \u0639\u0646\u0635\u0631 \u0645\u0646 \u0639\u0646\u0627\u0635\u0631\u0647\u0627 \u0647\u0648 \u0643\u0627\u0626\u0646 \u0645\u0646 \u0627\u0644\u0646\u0648\u0639 Student. <\/p>\n<p> \t\u0628\u0646\u062a\u064a\u062c\u0629 \u062a\u0646\u0641\u064a\u0630 \u0627\u0644\u0627\u0633\u062a\u0639\u0644\u0627\u0645 \u0627\u0644\u0633\u0627\u0628\u0642 \u0633\u064a\u062d\u062a\u0648\u064a \u0627\u0644\u0645\u062a\u063a\u064a\u0651\u0631 students \u0639\u0644\u0649 \u0645\u0631\u062c\u0639 \u0644\u0643\u0627\u0626\u0646 \u0645\u062c\u0645\u0648\u0639\u0629 \u064a\u062d\u0642\u0651\u0642 \u0627\u0644\u0648\u0627\u062c\u0647\u0629 <IEnumerable<Student \u0648\u0644\u0627 \u064a\u0647\u0645\u0651\u0643 \u0641\u064a \u0627\u0644\u062d\u0642\u064a\u0642\u0629 \u0645\u0627 \u0647\u0648 \u0627\u0644\u0646\u0648\u0639 \u0627\u0644\u0641\u0639\u0644\u064a\u0651 \u0644\u0647\u0630\u0647 \u0627\u0644\u0645\u062c\u0645\u0648\u0639\u0629. <\/p>\n<p> \t\u064a\u0645\u0643\u0646 \u0644\u0627\u0633\u062a\u0639\u0644\u0627\u0645 Linq \u0623\u0646 \u064a\u064f\u0646\u062a\u062c \u0645\u0631\u062c\u0639\u064b\u0627 \u0644\u0643\u0627\u0626\u0646 \u0645\u062c\u0645\u0648\u0639\u0629 \u064a\u062d\u0642\u0651\u0642 \u0627\u0644\u0648\u0627\u062c\u0647\u0629 <IQueryable<Student \u0648\u0644\u0643\u0646\u0651 \u0627\u0644\u062d\u062f\u064a\u062b \u0639\u0646 \u0647\u0630\u0627 \u0627\u0644\u0645\u0648\u0636\u0648\u0639 \u0647\u0648 \u062e\u0627\u0631\u062c \u0645\u062c\u0627\u0644 \u0627\u0644\u062f\u0631\u0633. <\/p>\n<p> \t\u0641\u064a \u0627\u0644\u0648\u0627\u0642\u0639 \u064a\u0645\u0643\u0646 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0634\u0631\u0648\u0637 \u0623\u0643\u062b\u0631 \u062a\u0639\u0642\u064a\u062f\u064b\u0627 \u0643\u0623\u0646 \u0646\u0631\u063a\u0628 \u0628\u0627\u0644\u062d\u0635\u0648\u0644 \u0639\u0644\u0649 \u062c\u0645\u064a\u0639 \u0627\u0644\u0637\u0644\u0651\u0627\u0628 \u0627\u0644\u0630\u064a\u0646 \u062a\u062a\u0631\u0627\u0648\u062d \u062f\u0631\u062c\u0627\u062a\u0647\u0645 \u0628\u064a\u0646 60 \u064890 \u0636\u0645\u0646\u064b\u0627 \u0639\u0644\u0649 \u0633\u0628\u064a\u0644 \u0627\u0644\u0645\u062b\u0627\u0644\u060c \u0648\u0630\u0644\u0643 \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u0639\u0627\u0645\u0644 &#038;&#038; \u0628\u0627\u0644\u0634\u0643\u0644 \u0627\u0644\u062a\u0627\u0644\u064a: <\/p>\n<pre> from student in studentsList where student.Mark >= 60 && student.Mark <= 90 select student<\/pre>\n<p> \t\u0643\u0645\u0627 \u0645\u0646 \u0627\u0644\u0645\u0645\u0643\u0646 \u0623\u0646\u0651 \u0646\u0631\u062a\u0651\u0628 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u062d\u0633\u0628 \u0631\u0642\u0645 \u0627\u0644\u0637\u0627\u0644\u0628 id\u060c \u0623\u0648 \u0628\u062d\u0633\u0628 \u0627\u0633\u0645\u0647 FirstName \u0623\u0648 \u0643\u0646\u064a\u062a\u0647 LastName \u0623\u0648 \u0628\u0645\u0632\u064a\u062c \u0645\u0646\u0647\u0627\u060c \u0648\u0630\u0644\u0643 \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u0643\u0644\u0645\u0629 \u0627\u0644\u0645\u062d\u062c\u0648\u0632\u0629 orderby \u0627\u0644\u062e\u0627\u0635\u0651\u0629 \u0628\u0640 Linq: <\/p>\n<pre> from student in studentsList where student.Mark >= 60 && student.Mark <= 90 orderby student.FirstName, student.LastName select student<\/pre>\n<p> \t\u0633\u064a\u0642\u0648\u0645 \u0627\u0644\u0627\u0633\u062a\u0639\u0644\u0627\u0645 \u0627\u0644\u0633\u0627\u0628\u0642 \u0628\u062a\u0631\u062a\u064a\u0628 \u0627\u0644\u0639\u0646\u0627\u0635\u0631 \u0627\u0644\u062a\u064a \u062a\u0648\u0627\u0641\u0642 \u0627\u0644\u0634\u0631\u0637 \u0627\u0644\u0645\u0648\u062c\u0648\u062f \u0641\u064a \u0627\u0644\u0642\u0633\u0645 where \u062d\u0633\u0628 \u0627\u0644\u0627\u0633\u0645 \u062b\u0645\u0651 \u062d\u0633\u0628 \u0627\u0644\u0643\u0646\u064a\u0651\u0629. \u062a\u0648\u062c\u062f \u0641\u064a \u0627\u0644\u062d\u0642\u064a\u0642\u0629 \u0627\u0644\u0643\u062b\u064a\u0631 \u0645\u0646 \u0627\u0644\u0645\u0632\u0627\u064a\u0627 \u0627\u0644\u0642\u0648\u064a\u0651\u0629 \u0627\u0644\u062a\u064a \u062a\u062a\u0645\u062a\u0651\u0639 \u0628\u0647\u0627 \u0627\u0633\u062a\u0639\u0644\u0627\u0645\u0627\u062a Linq \u0648\u0627\u0644\u062a\u064a \u0644\u0627 \u064a\u062a\u0651\u0633\u0639 \u0647\u0630\u0627 \u0627\u0644\u062f\u0631\u0633 \u0644\u0630\u0643\u0631\u0647\u0627. <\/p>\n<p> \t\u0628\u0627\u0644\u0646\u0633\u0628\u0629 \u0644\u0644\u062a\u0627\u0628\u0639 PrintList (\u0627\u0644\u0623\u0633\u0637\u0631 \u0645\u0646 50 \u062d\u062a\u0649 58) \u0641\u064a\u0642\u062a\u0635\u0631 \u062f\u0648\u0631\u0647 \u0639\u0644\u0649 \u0637\u0628\u0627\u0639\u0629 \u062c\u062f\u0648\u0644 \u0644\u0644\u0642\u0627\u0626\u0645\u0629 \u0627\u0644\u062a\u064a \u0646\u0645\u0631\u0651\u0631\u0647\u0627 \u0643\u0648\u0633\u064a\u0637 \u0625\u0644\u064a\u0647. \u0644\u0627\u062d\u0638 \u0623\u0646\u0651 \u0627\u0644\u0648\u0633\u064a\u0637 \u0627\u0644\u0648\u062d\u064a\u062f \u0627\u0644\u0630\u064a \u064a\u0642\u0628\u0644\u0647 \u064a\u062d\u0642\u0651\u0642 \u0627\u0644\u0648\u0627\u062c\u0647\u0629 <IEnumerable<Student \u0644\u0630\u0644\u0643 \u0641\u064a\u0645\u0643\u0646\u0646\u0627 \u062a\u0645\u0631\u064a\u0631 \u0623\u064a \u0648\u0633\u064a\u0637 \u0625\u0644\u064a\u0647 \u064a\u062d\u0645\u0644 \u0645\u0631\u062c\u0639\u064b\u0627 \u0625\u0644\u0649 \u0643\u0627\u0626\u0646 \u0645\u0646 \u0623\u064a\u0651 \u0635\u0646\u0641 \u064a\u062d\u0642\u0651\u0642 \u0647\u0630\u0647 \u0627\u0644\u0648\u0627\u062c\u0647\u0629 \u0628\u0645\u0627 \u0641\u064a\u0647 \u0628\u0627\u0644\u0637\u0628\u0639 \u0627\u0644\u0635\u0646\u0641 <List<Student. \u0627\u0644\u0623\u0645\u0631 \u0627\u0644\u0648\u062d\u064a\u062f \u0627\u0644\u062c\u062f\u064a\u062f \u0641\u064a \u0647\u0630\u0627 \u0627\u0644\u062a\u0627\u0628\u0639 \u0647\u0648 \u0627\u0633\u062a\u062e\u062f\u0627\u0645\u0647 \u0644\u062a\u0646\u0633\u064a\u0642 \u0645\u062e\u062a\u0644\u0641 \u0641\u064a \u0625\u0638\u0647\u0627\u0631 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0628\u0634\u0643\u0644 \u062c\u062f\u0648\u0644\u064a\u0651. \u0627\u0646\u0638\u0631 \u0627\u0644\u0633\u0637\u0631 52. \u0633\u062a\u062c\u062f \u0627\u0644\u0646\u0635 \u0627\u0644\u062a\u0646\u0633\u064a\u0642\u064a: \"{0,-5}{1,-15}{2,-15}{3,-10}\" \u064a\u0633\u0645\u062d \u0647\u0630\u0627 \u0627\u0644\u0646\u0635 \u0627\u0644\u062a\u0646\u0633\u064a\u0642\u064a \u0628\u0639\u0631\u0636 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0628\u0634\u0643\u0644 \u062c\u062f\u0648\u0644\u064a\u0651 \u0623\u0646\u064a\u0642 \u0639\u0644\u0649 \u0627\u0644\u0634\u0627\u0634\u0629\u060c \u062d\u064a\u062b \u064a\u0633\u0645\u062d \u0627\u0644\u062a\u0646\u0633\u064a\u0642 \u0627\u0644\u062a\u0627\u0644\u064a {0, -5} \u0628\u0639\u0631\u0636 \u0627\u0644\u0648\u0633\u064a\u0637 \u0630\u0648 \u0627\u0644\u0645\u0648\u0642\u0639 0 (\u0645\u0646 \u0627\u0644\u062a\u0627\u0628\u0639 WriteLine) \u0636\u0645\u0646 \u062d\u0642\u0644 \u0639\u0631\u0636\u0647 5 \u0641\u0631\u0627\u063a\u0627\u062a \u0628\u062d\u064a\u062b \u062a\u0643\u0648\u0646 \u0627\u0644\u0645\u062d\u0627\u0630\u0627\u0629 \u0646\u062d\u0648 \u0627\u0644\u064a\u0633\u0627\u0631. \u0623\u0645\u0651\u0627 \u0627\u0644\u062a\u0646\u0633\u064a\u0642 {1, -15} \u0641\u064a\u0633\u0645\u062d \u0628\u0639\u0631\u0636 \u0627\u0644\u0648\u0633\u064a\u0637 \u0630\u0648 \u0627\u0644\u0645\u0648\u0642\u0639 1 \u0636\u0645\u0646 \u062d\u0642\u0644 \u0639\u0631\u0636\u0647 15 \u0641\u0631\u0627\u063a \u0628\u062d\u064a\u062b \u062a\u0643\u0648\u0646 \u0627\u0644\u0645\u062d\u0627\u0630\u0627\u0629 \u0646\u062d\u0648 \u0627\u0644\u064a\u0633\u0627\u0631 \u0623\u064a\u0636\u064b\u0627. \u0628\u0625\u0632\u0627\u0644\u0629 \u0625\u0634\u0627\u0631\u0629 \u0627\u0644\u0633\u0627\u0644\u0628 (-) \u0645\u0646 \u0627\u0644\u062a\u0646\u0633\u064a\u0642\u064a\u0646 \u0627\u0644\u0633\u0627\u0628\u0642\u064a\u0646 \u0633\u062a\u0635\u0628\u062d \u0627\u0644\u0645\u062d\u0627\u0630\u0627\u0629 \u0646\u062d\u0648 \u0627\u0644\u064a\u0645\u064a\u0646. <\/p>\n<p> \t\u0647\u0644 \u062a\u0631\u064a\u062f \u0627\u0644\u0645\u0632\u064a\u062f \u0645\u0646 \u0627\u0644\u0625\u062b\u0627\u0631\u0629\u061f \u0623\u0636\u0641 \u0627\u0644\u0633\u0637\u0631 \u0627\u0644\u062a\u0627\u0644\u064a \u0625\u0644\u0649 \u0627\u0644\u0633\u0637\u0631 43 \u0645\u0646 \u0627\u0644\u0628\u0631\u0646\u0627\u0645\u062c \u0627\u0644\u0633\u0627\u0628\u0642 (\u0623\u064a \u0628\u0639\u062f \u0627\u0644\u0639\u0628\u0627\u0631\u0629 \u0627\u0644\u062a\u064a \u062a\u0633\u062a\u062e\u062f\u0645 \u0627\u0633\u062a\u0639\u0644\u0627\u0645 Linq): <\/p>\n<pre> double average = students.Average(s => s.Mark);<\/pre>\n<p> \t\u062a\u0633\u062a\u062e\u062f\u0645 \u0647\u0630\u0647 \u0627\u0644\u0639\u0628\u0627\u0631\u0629 \u0627\u0644\u062a\u0627\u0628\u0639 Average \u0645\u0646 \u0627\u0644\u0645\u062a\u063a\u064a\u0651\u0631 students \u0627\u0644\u0630\u064a \u064a\u062d\u062a\u0648\u064a \u0639\u0644\u0649 \u0642\u0627\u0626\u0645\u0629 \u0627\u0644\u0637\u0644\u0651\u0627\u0628 \u0628\u0639\u062f \u0627\u0644\u062a\u0635\u0641\u064a\u0651\u0629 \u0643\u0645\u0627 \u0646\u0639\u0644\u0645. \u0648\u0643\u0645\u0627 \u064a\u064f\u0648\u062d\u064a \u0627\u0633\u0645\u0647 \u064a\u0639\u0645\u0644 \u0647\u0630\u0627 \u0627\u0644\u062a\u0627\u0628\u0639 \u0639\u0644\u0649 \u062d\u0633\u0627\u0628 \u0645\u0639\u062f\u0651\u0644 \u0627\u0644\u0637\u0644\u0627\u0628 (\u0643\u0627\u0626\u0646\u0627\u062a Student) \u0627\u0644\u0645\u0648\u062c\u0648\u062f\u064a\u0646 \u0636\u0645\u0646 students. \u0648\u0644\u0643\u0646 \u0643\u064a\u0641 \u0633\u064a\u0639\u0631\u0641 \u0627\u0644\u062a\u0627\u0628\u0639 Average \u0627\u0644\u062d\u0642\u0644 \u0627\u0644\u0630\u064a \u0633\u064a\u062a\u0645\u0651 \u0628\u0645\u0648\u062c\u0628\u0647 \u062d\u0633\u0627\u0628 \u0627\u0644\u0645\u0639\u062f\u0651\u0644\u061f \u064a\u062a\u0645\u062b\u0651\u0644 \u0627\u0644\u062d\u0644 \u0641\u064a \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u062a\u0639\u0628\u064a\u0631 Lambda \u064a\u062a\u0637\u0644\u0651\u0628 \u0648\u0633\u064a\u0637\u064b\u0627 \u0648\u0627\u062d\u062f\u064b\u0627 (\u0627\u0644\u0648\u0633\u064a\u0637 s) \u0627\u0644\u0630\u064a \u0633\u064a\u0645\u062b\u0651\u0644 \u0643\u0627\u0626\u0646 Student\u060c \u0648\u064a\u064f\u0631\u062c\u0639 \u0642\u064a\u0645\u0629 \u0627\u0644\u062e\u0627\u0635\u064a\u0651\u0629 Mark \u0644\u0647: <\/p>\n<pre> s => s.Mark<\/pre>\n<p> \t\u0633\u064a\u0633\u062a\u062e\u062f\u0645 \u0627\u0644\u062a\u0627\u0628\u0639 \u0647\u0630\u0627 \u0627\u0644\u062a\u0639\u0628\u064a\u0631 \u0644\u0644\u0645\u0631\u0648\u0631 \u0639\u0644\u0649 \u062c\u0645\u064a\u0639 \u0627\u0644\u0639\u0646\u0627\u0635\u0631 \u0627\u0644\u0645\u0648\u062c\u0648\u062f\u0629 \u0636\u0645\u0646 \u0627\u0644\u0645\u062c\u0645\u0648\u0639\u0629 students \u0644\u064a\u062d\u0635\u0644 \u0639\u0644\u0649 \u062f\u0631\u062c\u0629 \u0643\u0644\u0651 \u0645\u0646\u0647\u0627 \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u062a\u0639\u0628\u064a\u0631 Lambda \u0627\u0644\u0633\u0627\u0628\u0642 \u062b\u0645\u0651 \u064a\u062d\u0633\u0628 \u0627\u0644\u0645\u0639\u062f\u0651\u0644\u060c \u0644\u064a\u0639\u0645\u0644 \u0627\u0644\u0628\u0631\u0646\u0627\u0645\u062c \u0639\u0644\u0649 \u0625\u0633\u0646\u0627\u062f\u0647 \u0625\u0644\u0649 \u0627\u0644\u0645\u062a\u063a\u064a\u0651\u0631 average \u0648\u0647\u0648 \u0645\u0646 \u0627\u0644\u0646\u0648\u0639 double \u0643\u0645\u0627 \u0647\u0648 \u0648\u0627\u0636\u062d. \u0628\u0639\u062f \u062a\u0646\u0641\u064a\u0630 \u0627\u0644\u0639\u0628\u0627\u0631\u0629 \u0627\u0644\u0633\u0627\u0628\u0642\u0629 \u0648\u0639\u0644\u0649 \u0641\u0631\u0636 \u0623\u0646\u0651 \u0646\u0633\u062e\u0629 \u0627\u0644\u0628\u0631\u0646\u0627\u0645\u062c Lesson15_01 \u0627\u0644\u0623\u0633\u0627\u0633\u064a\u0651\u0629 \u0647\u064a \u0627\u0644\u062a\u064a \u0627\u0633\u062a\u064f\u062e\u062f\u0645\u062a\u060c \u0633\u062a\u0643\u0648\u0646 \u0642\u064a\u0645\u0629 average \u062a\u0633\u0627\u0648\u064a 77.5\u060c \u0648\u064a\u0645\u062b\u0651\u0644 \u0647\u0630\u0627 \u0627\u0644\u0631\u0642\u0645 \u0645\u0639\u062f\u0651\u0644 \u0627\u0644\u0637\u0644\u0627\u0628 \u0627\u0644\u0630\u064a\u0646 \u062a\u0643\u0648\u0646 \u062f\u0631\u062c\u0627\u062a\u0647\u0645 \u0623\u0643\u0628\u0631 \u062a\u0645\u0627\u0645\u064b\u0627 \u0645\u0646 60. <\/p>\n<p> \t\u0642\u062f \u064a\u0628\u062f\u0648 \u0643\u0644\u0651 \u0645\u0627 \u0642\u062f\u0651\u0645\u0646\u0627\u0647 \u062c\u0645\u064a\u0644\u064b\u0627 \u0648\u0645\u0645\u062a\u0639\u064b\u0627\u060c \u0644\u0643\u0646\u0651\u0643 \u0644\u0646 \u062a\u0633\u062a\u0645\u062a\u0639 \u0628\u0634\u0643\u0644 \u0641\u0639\u0644\u064a\u0651 \u0628\u0647\u0630\u0647 \u0627\u0644\u0645\u0632\u0627\u064a\u0627 \u0627\u0644\u0631\u0627\u0626\u0639\u0629 \u0627\u0644\u062a\u064a \u062a\u0648\u0641\u0651\u0631\u0647\u0627 Linq \u0648 \u062a\u0639\u0627\u0628\u064a\u0631 Lambda \u0645\u0627 \u0644\u0645 \u062a\u0633\u062a\u062e\u062f\u0645\u0647\u0627 \u0641\u064a \u0628\u0631\u0627\u0645\u062c\u0643 \u0627\u0644\u062e\u0627\u0635\u0651\u0629. \u0623\u0633\u062a\u062e\u062f\u0645 \u0645\u062b\u0644 \u0647\u0630\u0647 \u0627\u0644\u0645\u0632\u0627\u064a\u0627 \u0641\u064a \u0628\u0631\u0627\u0645\u062c\u064a \u0627\u0644\u062a\u064a \u0623\u0637\u0648\u0651\u0631\u0647\u0627\u060c \u0648\u0644\u0646 \u062a\u062a\u0635\u0648\u0651\u0631 \u0645\u062f\u0649 \u0633\u0639\u0627\u062f\u062a\u064a \u0639\u0646\u062f\u0645\u0627 \u0623\u0633\u062a\u062e\u0644\u0635 \u0628\u064a\u0627\u0646\u0627\u062a \u0645\u0646 \u0642\u0627\u0639\u062f\u0629 \u0628\u064a\u0627\u0646\u0627\u062a \u0623\u0648 \u0645\u0646 \u062e\u062f\u0645\u0629 \u0648\u064a\u0628 web service \u0642\u062f \u062a\u062d\u062a\u0648\u064a \u0639\u0644\u0649 \u0627\u0644\u0645\u0626\u0627\u062a \u0623\u0648 \u0627\u0644\u0622\u0644\u0627\u0641 \u0645\u0646 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u062e\u0627\u0645\u060c \u062b\u0645\u0651 \u0623\u064f\u0637\u0628\u0651\u0642 \u0639\u0644\u064a\u0647\u0627 \u0648\u0635\u0641\u0627\u062a Linq \u0627\u0644\u0633\u062d\u0631\u064a\u0651\u0629 \u0641\u0623\u062d\u0635\u0644 \u0639\u0644\u0649 \u0645\u0627 \u0623\u0631\u064a\u062f\u0647 \u0628\u0643\u062a\u0627\u0628\u0629 \u0639\u0628\u0627\u0631\u0629 \u0628\u0631\u0645\u062c\u064a\u0651\u0629 \u0648\u0627\u062d\u062f\u0629 \u0641\u0642\u0637! <\/p>\n<h2> \t\u062a\u0645\u0627\u0631\u064a\u0646 \u062f\u0627\u0639\u0645\u0629 <\/h2>\n<h3> \t\u062a\u0645\u0631\u064a\u0646 1 <\/h3>\n<p> \t\u0623\u062c\u0631\u0650 \u062a\u0639\u062f\u064a\u0644\u064b\u0627 \u0639\u0644\u0649 \u0627\u0644\u0628\u0631\u0646\u0627\u0645\u062c Lesson15_01 \u0628\u062d\u064a\u062b \u0646\u062d\u0635\u0644 \u0639\u0644\u0649 \u062c\u0645\u064a\u0639 \u0627\u0644\u0637\u0644\u0651\u0627\u0628 \u0627\u0644\u0630\u064a\u0646 \u062a\u0643\u0648\u0646 \u062f\u0631\u062c\u0627\u062a\u0647\u0645 \u0623\u0642\u0644 \u062a\u0645\u0627\u0645\u064b\u0627 \u0645\u0646 50. <\/p>\n<h4> \t\u062a\u0645\u0631\u064a\u0646 2 <\/h4>\n<p> \t\u0623\u062c\u0631\u0650 \u062a\u0639\u062f\u064a\u0644\u064b\u0627 \u0622\u062e\u0631\u064b\u0627 \u0639\u0644\u0649 \u0627\u0644\u0628\u0631\u0646\u0627\u0645\u062c Lesson15_01 \u0628\u062d\u064a\u062b \u0646\u062d\u0635\u0644 \u0639\u0644\u0649 \u062c\u0645\u064a\u0639 \u0627\u0644\u0637\u0644\u0651\u0627\u0628 \u0627\u0644\u0630\u064a\u0646 \u064a\u0643\u0648\u0646 \u0627\u0644\u062d\u0631\u0641 \u0627\u0644\u0623\u0648\u0651\u0644 \u0645\u0646 \u0627\u0633\u0645\u0647\u0645 \u0647\u0648 \"A\". <\/p>\n<p> \t(<strong>\u062a\u0644\u0645\u064a\u062d<\/strong>: \u0623\u062d\u062f \u0627\u0644\u062d\u0644\u0648\u0644 \u0627\u0644\u0645\u0642\u062a\u0631\u062d\u0629 \u0647\u0648 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u062a\u0627\u0628\u0639 StartWith \u0645\u0646 \u0627\u0644\u062e\u0627\u0635\u064a\u0651\u0629 \u0627\u0644\u0646\u0635\u064a\u0629 FirstName \u0644\u0644\u0643\u0627\u0626\u0646 student \u0623\u064a \u0639\u0644\u0649 \u0627\u0644\u0634\u0643\u0644 \u0627\u0644\u062a\u0627\u0644\u064a: <\/p>\n<pre> student.FirstName.StartsWith(\"A\")<\/pre>\n<p> \t\u0648\u0630\u0644\u0643 \u0628\u0639\u062f \u0627\u0644\u0643\u0644\u0645\u0629 where \u0641\u064a \u0627\u0633\u062a\u0639\u0644\u0627\u0645 Linq ). <\/p>\n<h2> \t\u0627\u0644\u062e\u0644\u0627\u0635\u0629 <\/h2>\n<p> \t\u062a\u0639\u0631\u0651\u0641\u0646\u0627 \u0641\u064a \u0647\u0630\u0627 \u0627\u0644\u062f\u0631\u0633 \u0639\u0644\u0649 \u062a\u0639\u0627\u0628\u064a\u0631 Lambda \u0648\u0627\u0633\u062a\u0639\u0644\u0627\u0645\u0627\u062a Linq. \u062d\u064a\u062b \u0635\u0645\u0651\u0645\u0646\u0627 \u0639\u062f\u0651\u0629 \u0628\u0631\u0627\u0645\u062c \u062a\u0648\u0636\u0651\u062d \u0647\u0627\u062a\u064a\u0646 \u0627\u0644\u062a\u0642\u0646\u064a\u0651\u062a\u064a\u0646 \u0627\u0644\u0645\u0647\u0645\u0651\u062a\u064a\u0646 \u0641\u064a \u0627\u0644\u0628\u0631\u0645\u062c\u0629 \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0633\u064a \u0634\u0627\u0631\u0628. \u0633\u062a\u0635\u0627\u062f\u0641 \u0643\u0644\u0651\u064b\u0627 \u0645\u0646\u0647\u0645\u0627 \u0643\u062b\u064a\u0631\u064b\u0627 \u0641\u064a \u062d\u064a\u0627\u062a\u0643 \u0627\u0644\u0628\u0631\u0645\u062c\u064a\u0651\u0629\u060c \u0648\u0633\u062a\u0643\u0648\u0646 \u0633\u0639\u064a\u062f\u064b\u0627 \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645\u0647\u0627 \u0646\u0638\u0631\u064b\u0627 \u0644\u0644\u0627\u062e\u062a\u0635\u0627\u0631 \u0627\u0644\u0643\u0628\u064a\u0631 \u0627\u0644\u0630\u064a \u0633\u062a\u062d\u0635\u0644 \u0639\u0644\u064a\u0647 \u0641\u064a \u0627\u0644\u0634\u064a\u0641\u0631\u0629 \u0627\u0644\u0628\u0631\u0645\u062c\u064a\u0651\u0629\u060c \u0647\u0630\u0627 \u0641\u0636\u0644\u064b\u0627 \u0639\u0646 \u0627\u0644\u0623\u062f\u0627\u0621 \u0639\u0627\u0644\u064a \u0627\u0644\u0645\u0633\u062a\u0648\u0649 \u0627\u0644\u0630\u064a \u0644\u0646 \u062a\u0633\u062a\u0637\u064a\u0639 \u0645\u062c\u0627\u0631\u0627\u062a\u0647 \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645\u0643 \u0644\u0644\u0634\u064a\u0641\u0631\u0629 \u0627\u0644\u062a\u0642\u0644\u064a\u062f\u064a\u0651\u0629. <\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u062a\u0639\u062a\u0628\u0631 \u062a\u0642\u0646\u064a\u0651\u0629 Linq \u0645\u0646 \u0627\u0644\u062a\u0642\u0646\u064a\u0651\u0627\u062a \u0627\u0644\u062c\u062f\u064a\u062f\u0629 \u0646\u0633\u0628\u064a\u0651\u064b\u0627 \u0641\u064a \u0633\u064a \u0634\u0627\u0631\u0628 \u0648\u0644\u063a\u0627\u062a \u062f\u0648\u062a \u0646\u062a \u0639\u0645\u0648\u0645\u064b\u0627. \u062a\u0633\u0645\u062d \u0647\u0630\u0647 \u0627\u0644\u062a\u0642\u0646\u064a\u0651\u0629 \u0628\u0625\u062c\u0631\u0627\u0621 \u0639\u0645\u0644\u064a\u0651\u0627\u062a \u0627\u0633\u062a\u0639\u0644\u0627\u0645 \u0645\u0639\u0642\u0651\u062f\u0629 \u0644\u0627\u0633\u062a\u062e\u0644\u0627\u0635 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0628\u0634\u0643\u0644 \u0633\u0644\u0633 \u0648\u0633\u0647\u0644 \u0628\u0633\u0628\u0628 \u0634\u0643\u0644\u0647\u0627 \u0627\u0644\u0645\u0623\u0644\u0648\u0641 \u0643\u0645\u0627 \u0633\u0646\u0631\u0649 \u0644\u0627\u062d\u0642\u064b\u0627 \u0641\u064a \u0647\u0630\u0627 \u0627\u0644\u062f\u0631\u0633. <\/p>\n<p> \t\u0644\u062a\u0642\u0646\u064a\u0651\u0629 Linq \u0623\u0634\u0643\u0627\u0644 \u0645\u062a\u0639\u062f\u0651\u062f\u0629:<br \/>\n \t\tLinq to Objects: \u0644\u0644\u062a\u0639\u0627\u0645\u0644 \u0645\u0639 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0645\u0648\u062c\u0648\u062f\u0629 \u0641\u064a \u0630\u0627\u0643\u0631\u0629 \u0627\u0644\u0628\u0631\u0646\u0627\u0645\u062c. \t \t \t\tLinq To XML: \u0644\u0644\u062a\u0639\u0627\u0645\u0644 \u0645\u0639 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0627\u0644\u0646\u0635\u064a\u0651\u0629 \u0627\u0644\u0645\u0648\u062c\u0648\u062f\u0629 \u0628\u062a\u0646\u0633\u064a\u0642 XML. \t \t \t\tLinq To SQL: \u0648\u0647\u064a \u062a\u0642\u0646\u064a\u0651\u0629 \u062e\u0627\u0635\u0651\u0629 \u0628\u0627\u0644\u062d\u0635\u0648\u0644 \u0639\u0644\u0649 \u0627\u0644\u0628\u064a\u0627\u0646\u0627\u062a \u0645\u0646 \u062e\u0627\u062f\u0645 SQL Server. \u0641\u064a \u0627\u0644\u062d\u0642\u064a\u0642\u0629 \u062a\u0645\u0651 \u0627\u0644\u062a\u062e\u0644\u0651\u064a \u0639\u0646 \u0647\u0630\u0647 \u0627\u0644\u062a\u0642\u0646\u064a\u0651\u0629 \u0631\u063a\u0645 \u062d\u062f\u0627\u062b\u062a\u0647\u0627\u060c \u0648\u0630\u0644\u0643 \u0644\u0635\u0627\u0644\u062d \u062a\u0642\u0646\u064a\u0651\u0629 \u0623\u062d\u062f\u062b \u0648\u0623\u0643\u062b\u0631 \u062a\u0637\u0648\u0651\u0631\u064b\u0627 \u0648\u0647\u064a Entity Framework. \t \t\u0643\u0645\u0627 \u064a\u062a\u062d\u062f\u0651\u062b \u0647\u0630\u0627 \u0627\u0644\u062f\u0631\u0633 \u0639\u0646 \u062a\u0639\u0627\u0628\u064a\u0631 Lambda \u0648\u0647\u064a \u0645\u0646 \u0627\u0644\u0645\u0632\u0627\u064a\u0627 \u0627\u0644\u0645\u0641\u064a\u062f\u0629 \u0648\u0627\u0644\u062a\u064a \u062a\u0633\u0647\u0651\u0644 \u0639\u0645\u0644 \u0627\u0644\u0645\u0628\u0631\u0645\u062c\u064a\u0646 \u0625\u0644\u0649 \u062d\u062f\u0651\u064d \u0643\u0628\u064a\u0631. \u0633\u062a\u0646\u0627\u0648\u0644 \u0641\u064a \u0647\u0630\u0627 \u0627\u0644\u062f\u0631\u0633 \u0627\u0644\u0634\u0643\u0644 \u0627\u0644\u0623\u0648\u0651\u0644 \u0645\u0646 Linq\u060c \u0648\u0647\u0648 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 Linq \u0645\u0639 \u0627\u0644\u0643\u0627\u0626\u0646\u0627\u062a Objects. \u0648\u0644\u0643\u0646 \u0642\u0628\u0644 \u0630\u0644\u0643 \u0644\u0646\u062a\u062d\u062f\u0651\u062b \u0642\u0644\u064a\u0644\u064b\u0627 \u0639\u0646 \u062a\u0639\u0627\u0628\u064a\u0631 Lambda.<br \/>\n \t\u062a\u0639\u0627\u0628\u064a\u0631 Lambda \t\u062a\u0633\u062a\u0637\u064a\u0639 \u062a\u062e\u064a\u0651\u0644 \u062a\u0639\u0627\u0628\u064a\u0631 Lambda \u0639\u0644\u0649 \u0623\u0646\u0651\u0647\u0627 \u062f\u0648\u0627\u0644 functions \u0635\u063a\u064a\u0631\u0629 \u0644\u064a\u0633 \u0644\u0647\u0627 \u0627\u0633\u0645\u060c \u062a\u0639\u0645\u0644 \u0639\u0644\u0649 \u0625\u062c\u0631\u0627\u0621 \u0639\u0645\u0644\u064a\u0651\u0627\u062a \u062d\u0633\u0627\u0628\u064a\u0651\u0629 \u0628\u0633\u064a\u0637\u0629\u060c \u0648\u0645\u0646 \u0627\u0644\u0645\u0645\u0643\u0646 \u0623\u0646 \u062a\u0631\u062c\u0639 \u0646\u062a\u064a\u062c\u0629. \u0641\u064a \u0627\u0644\u0648\u0627\u0642\u0639 \u064a\u0645\u0643\u0646 \u0644\u0644\u0646\u0648\u0651\u0627\u0628 Delegates \u0623\u0646 \u062a\u063a\u0644\u0651\u0641 \u062a\u0639\u0627\u0628\u064a\u0631 La..<\/p>\n","protected":false},"author":19,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[24,95],"tags":[],"class_list":["post-1261","post","type-post","status-publish","format-standard","hentry","category-library","category-int-posts"],"_links":{"self":[{"href":"https:\/\/developers.sd\/index.php?rest_route=\/wp\/v2\/posts\/1261","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/developers.sd\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/developers.sd\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/developers.sd\/index.php?rest_route=\/wp\/v2\/users\/19"}],"replies":[{"embeddable":true,"href":"https:\/\/developers.sd\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1261"}],"version-history":[{"count":2,"href":"https:\/\/developers.sd\/index.php?rest_route=\/wp\/v2\/posts\/1261\/revisions"}],"predecessor-version":[{"id":1376,"href":"https:\/\/developers.sd\/index.php?rest_route=\/wp\/v2\/posts\/1261\/revisions\/1376"}],"wp:attachment":[{"href":"https:\/\/developers.sd\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1261"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/developers.sd\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1261"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/developers.sd\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1261"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}