{"id":729,"date":"2009-07-21T19:47:14","date_gmt":"2009-07-21T19:47:14","guid":{"rendered":"\/post\/1388\/04\/30\/d9bedb8cd8a7d8afd987-d8b3d8a7d8b2db8c-Case-d8a8d987-d8b1d988d8a7db8cd8aa-LINQ"},"modified":"2009-07-21T19:47:14","modified_gmt":"2009-07-21T19:47:14","slug":"%d9%be%db%8c%d8%a7%d8%af%d9%87-%d8%b3%d8%a7%d8%b2%db%8c-case-%d8%a8%d9%87-%d8%b1%d9%88%d8%a7%db%8c%d8%aa-linq","status":"publish","type":"post","link":"https:\/\/mesbahi.net\/fa\/blog\/1388\/04\/30\/%d9%be%db%8c%d8%a7%d8%af%d9%87-%d8%b3%d8%a7%d8%b2%db%8c-case-%d8%a8%d9%87-%d8%b1%d9%88%d8%a7%db%8c%d8%aa-linq\/","title":{"rendered":"\u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc Case \u0628\u0647 \u0631\u0648\u0627\u06cc\u062a LINQ"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" style=\"border-right-width: 0px; margin: 0px 0px 0px 10px; display: inline; border-top-width: 0px; border-bottom-width: 0px; border-left-width: 0px\" title=\"Linq\" border=\"0\" alt=\"Linq\" align=\"right\" src=\"http:\/\/mesbahi.net\/fa\/images\/228b18eb590d_DED8\/Linq.jpg\" width=\"170\" height=\"217\" \/> <\/p>\n<p>\u0628\u0631 \u062d\u0633\u0628 \u0645\u0648\u0627\u0631\u062f \u0645\u0637\u0631\u0648\u062d\u0647 \u0644\u0627\u0632\u0645 \u062f\u06cc\u062f\u0645 \u06cc\u0647 \u0645\u062b\u0627\u0644 \u0633\u0627\u062f\u0647 \u0627\u0632 \u0686\u06af\u0648\u0646\u06af\u06cc \u067e\u06cc\u0627\u062f\u0647 \u0633\u0627\u0632\u06cc \u0633\u0627\u062e\u062a\u0627\u0631 Case \u06a9\u0647 \u062f\u0631 \u0632\u0628\u0627\u0646 TSQL \u0645\u0648\u0631\u062f \u06a9\u0627\u0631\u0628\u0631\u062f \u0642\u0631\u0627\u0631 \u0645\u06cc\u06af\u06cc\u0631\u0647 \u0631\u0648 \u0628\u0647 \u0634\u06a9\u0644 LINQ \u062f\u0627\u0634\u062a\u0647 \u0628\u0627\u0634\u06cc\u0645.<\/p>\n<p>\u0628\u0631\u0627\u06cc \u0647\u0645\u06cc\u0646 \u06cc\u06a9 \u0633\u0646\u0627\u0631\u06cc\u0648 \u0631\u0648 \u0628\u0627 \u0647\u0645 \u062f\u0646\u0628\u0627\u0644 \u062e\u0648\u0627\u0647\u06cc\u0645 \u06a9\u0631\u062f.<\/p>\n<p>1: \u062c\u062f\u0648\u0644 \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u0648 \u0646\u0645\u0631\u0627\u062a \u062f\u0627\u0646\u0634\u062c\u0648\u06cc\u0627\u0646 \u0631\u0627 \u0628\u0647 \u0634\u0631\u062d \u0632\u06cc\u0631 \u0645\u06cc \u0633\u0627\u0632\u06cc\u0645.<\/p>\n<p>2: \u06af\u0632\u0627\u0631\u0634 \u062e\u0648\u062f \u0631\u0627 \u0645\u062b\u0627\u0644 \u06a9\u062f \u0632\u06cc\u0631 \u0628\u0647 \u0634\u06a9\u0644\u06cc \u0645\u06cc \u0646\u0648\u06cc\u0633\u06cc\u0645 \u06a9\u0647 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u062f\u0633\u062a\u0648\u0631 Case \u0628\u0631\u062d\u0633\u0628 \u0645\u0642\u062f\u0627\u0631 \u0633\u062a\u0648\u0646 grade \u0646\u062a\u0627\u06cc\u062c \u0645\u062a\u0641\u0627\u0648\u062a\u06cc \u0631\u0627 \u0628\u0631\u0627\u06cc \u06a9\u0627\u0631\u0628\u0631 \u0645\u062d\u06cc\u0627 \u0633\u0627\u0632\u062f.<\/p>\n<div style=\"direction: ltr\">\n<div style=\"border-bottom: gray 1px solid; border-left: gray 1px solid; padding-bottom: 4px; line-height: 12pt; background-color: #f4f4f4; margin: 20px 0px 10px; padding-left: 4px; width: 97.5%; padding-right: 4px; font-family: consolas, &#39;Courier New&#39;, courier, monospace; max-height: 200px; font-size: 8pt; overflow: auto; border-top: gray 1px solid; cursor: text; border-right: gray 1px solid; padding-top: 4px\">\n<div style=\"border-bottom-style: none; padding-bottom: 0px; line-height: 12pt; border-right-style: none; background-color: #f4f4f4; padding-left: 0px; width: 100%; padding-right: 0px; font-family: consolas, &#39;Courier New&#39;, courier, monospace; border-top-style: none; color: black; font-size: 8pt; border-left-style: none; overflow: visible; padding-top: 0px\">\n<pre style=\"border-bottom-style: none; padding-bottom: 0px; line-height: 12pt; border-right-style: none; background-color: white; margin: 0em; padding-left: 0px; width: 100%; padding-right: 0px; font-family: consolas, &#39;Courier New&#39;, courier, monospace; border-top-style: none; color: black; font-size: 8pt; border-left-style: none; overflow: visible; padding-top: 0px\"><span style=\"color: #606060\">   1:<\/span> <span style=\"color: #008000\">-- \u0633\u0627\u062e\u062a \u062c\u062f\u0648\u0644<\/span><\/pre>\n<pre style=\"border-bottom-style: none; padding-bottom: 0px; line-height: 12pt; border-right-style: none; background-color: #f4f4f4; margin: 0em; padding-left: 0px; width: 100%; padding-right: 0px; font-family: consolas, &#39;Courier New&#39;, courier, monospace; border-top-style: none; color: black; font-size: 8pt; border-left-style: none; overflow: visible; padding-top: 0px\"><span style=\"color: #606060\">   2:<\/span> <span style=\"color: #0000ff\">create<\/span> <span style=\"color: #0000ff\">table<\/span> student(<\/pre>\n<pre style=\"border-bottom-style: none; padding-bottom: 0px; line-height: 12pt; border-right-style: none; background-color: white; margin: 0em; padding-left: 0px; width: 100%; padding-right: 0px; font-family: consolas, &#39;Courier New&#39;, courier, monospace; border-top-style: none; color: black; font-size: 8pt; border-left-style: none; overflow: visible; padding-top: 0px\"><span style=\"color: #606060\">   3:<\/span> id <span style=\"color: #0000ff\">int<\/span> <span style=\"color: #0000ff\">identity<\/span>(1,1) <span style=\"color: #0000ff\">primary<\/span> <span style=\"color: #0000ff\">key<\/span>,<\/pre>\n<pre style=\"border-bottom-style: none; padding-bottom: 0px; line-height: 12pt; border-right-style: none; background-color: #f4f4f4; margin: 0em; padding-left: 0px; width: 100%; padding-right: 0px; font-family: consolas, &#39;Courier New&#39;, courier, monospace; border-top-style: none; color: black; font-size: 8pt; border-left-style: none; overflow: visible; padding-top: 0px\"><span style=\"color: #606060\">   4:<\/span> first_name nvarchar(120) <span style=\"color: #0000ff\">not<\/span> <span style=\"color: #0000ff\">null<\/span>,<\/pre>\n<pre style=\"border-bottom-style: none; padding-bottom: 0px; line-height: 12pt; border-right-style: none; background-color: white; margin: 0em; padding-left: 0px; width: 100%; padding-right: 0px; font-family: consolas, &#39;Courier New&#39;, courier, monospace; border-top-style: none; color: black; font-size: 8pt; border-left-style: none; overflow: visible; padding-top: 0px\"><span style=\"color: #606060\">   5:<\/span> last_name nvarchar(120) <span style=\"color: #0000ff\">not<\/span> <span style=\"color: #0000ff\">null<\/span>,<\/pre>\n<pre style=\"border-bottom-style: none; padding-bottom: 0px; line-height: 12pt; border-right-style: none; background-color: #f4f4f4; margin: 0em; padding-left: 0px; width: 100%; padding-right: 0px; font-family: consolas, &#39;Courier New&#39;, courier, monospace; border-top-style: none; color: black; font-size: 8pt; border-left-style: none; overflow: visible; padding-top: 0px\"><span style=\"color: #606060\">   6:<\/span> grade tinyint <span style=\"color: #0000ff\">null<\/span>)<\/pre>\n<pre style=\"border-bottom-style: none; padding-bottom: 0px; line-height: 12pt; border-right-style: none; background-color: white; margin: 0em; padding-left: 0px; width: 100%; padding-right: 0px; font-family: consolas, &#39;Courier New&#39;, courier, monospace; border-top-style: none; color: black; font-size: 8pt; border-left-style: none; overflow: visible; padding-top: 0px\"><span style=\"color: #606060\">   7:<\/span>&#160; <\/pre>\n<pre style=\"border-bottom-style: none; padding-bottom: 0px; line-height: 12pt; border-right-style: none; background-color: #f4f4f4; margin: 0em; padding-left: 0px; width: 100%; padding-right: 0px; font-family: consolas, &#39;Courier New&#39;, courier, monospace; border-top-style: none; color: black; font-size: 8pt; border-left-style: none; overflow: visible; padding-top: 0px\"><span style=\"color: #606060\">   8:<\/span> <span style=\"color: #008000\">-- \u06af\u0632\u0627\u0631\u0634<\/span><\/pre>\n<pre style=\"border-bottom-style: none; padding-bottom: 0px; line-height: 12pt; border-right-style: none; background-color: white; margin: 0em; padding-left: 0px; width: 100%; padding-right: 0px; font-family: consolas, &#39;Courier New&#39;, courier, monospace; border-top-style: none; color: black; font-size: 8pt; border-left-style: none; overflow: visible; padding-top: 0px\"><span style=\"color: #606060\">   9:<\/span> <span style=\"color: #0000ff\">select<\/span> first_name N<span style=\"color: #006080\">'\u0646\u0627\u0645'<\/span>,last_name N<span style=\"color: #006080\">'\u0646\u0627\u0645 \u062e\u0627\u0646\u0648\u0627\u062f\u06af\u06cc'<\/span>, <span style=\"color: #0000ff\">case<\/span> grade<\/pre>\n<pre style=\"border-bottom-style: none; padding-bottom: 0px; line-height: 12pt; border-right-style: none; background-color: #f4f4f4; margin: 0em; padding-left: 0px; width: 100%; padding-right: 0px; font-family: consolas, &#39;Courier New&#39;, courier, monospace; border-top-style: none; color: black; font-size: 8pt; border-left-style: none; overflow: visible; padding-top: 0px\"><span style=\"color: #606060\">  10:<\/span> <span style=\"color: #0000ff\">when<\/span> 1 <span style=\"color: #0000ff\">then<\/span>  N<span style=\"color: #006080\">'\u062f\u0628\u0633\u062a\u0627\u0646'<\/span><\/pre>\n<pre style=\"border-bottom-style: none; padding-bottom: 0px; line-height: 12pt; border-right-style: none; background-color: white; margin: 0em; padding-left: 0px; width: 100%; padding-right: 0px; font-family: consolas, &#39;Courier New&#39;, courier, monospace; border-top-style: none; color: black; font-size: 8pt; border-left-style: none; overflow: visible; padding-top: 0px\"><span style=\"color: #606060\">  11:<\/span> <span style=\"color: #0000ff\">when<\/span> 2 <span style=\"color: #0000ff\">then<\/span>  N<span style=\"color: #006080\">'\u0631\u0627\u0647\u0646\u0645\u0627\u06cc\u06cc'<\/span><\/pre>\n<pre style=\"border-bottom-style: none; padding-bottom: 0px; line-height: 12pt; border-right-style: none; background-color: #f4f4f4; margin: 0em; padding-left: 0px; width: 100%; padding-right: 0px; font-family: consolas, &#39;Courier New&#39;, courier, monospace; border-top-style: none; color: black; font-size: 8pt; border-left-style: none; overflow: visible; padding-top: 0px\"><span style=\"color: #606060\">  12:<\/span> <span style=\"color: #0000ff\">when<\/span> 3 <span style=\"color: #0000ff\">then<\/span>  N<span style=\"color: #006080\">'\u062f\u0628\u06cc\u0631\u0633\u062a\u0627\u0646'<\/span><\/pre>\n<pre style=\"border-bottom-style: none; padding-bottom: 0px; line-height: 12pt; border-right-style: none; background-color: white; margin: 0em; padding-left: 0px; width: 100%; padding-right: 0px; font-family: consolas, &#39;Courier New&#39;, courier, monospace; border-top-style: none; color: black; font-size: 8pt; border-left-style: none; overflow: visible; padding-top: 0px\"><span style=\"color: #606060\">  13:<\/span> <span style=\"color: #0000ff\">when<\/span> 4 <span style=\"color: #0000ff\">then<\/span>  N<span style=\"color: #006080\">'\u062f\u0627\u0646\u0634\u06af\u0627\u0647'<\/span><\/pre>\n<pre style=\"border-bottom-style: none; padding-bottom: 0px; line-height: 12pt; border-right-style: none; background-color: #f4f4f4; margin: 0em; padding-left: 0px; width: 100%; padding-right: 0px; font-family: consolas, &#39;Courier New&#39;, courier, monospace; border-top-style: none; color: black; font-size: 8pt; border-left-style: none; overflow: visible; padding-top: 0px\"><span style=\"color: #606060\">  14:<\/span> <span style=\"color: #0000ff\">End<\/span> <span style=\"color: #0000ff\">AS<\/span> N<span style=\"color: #006080\">'\u0645\u0642\u0637\u0639 \u062a\u062d\u0635\u06cc\u0644\u06cc'<\/span><\/pre>\n<pre style=\"border-bottom-style: none; padding-bottom: 0px; line-height: 12pt; border-right-style: none; background-color: white; margin: 0em; padding-left: 0px; width: 100%; padding-right: 0px; font-family: consolas, &#39;Courier New&#39;, courier, monospace; border-top-style: none; color: black; font-size: 8pt; border-left-style: none; overflow: visible; padding-top: 0px\"><span style=\"color: #606060\">  15:<\/span> <span style=\"color: #0000ff\">from<\/span> student<\/pre>\n<\/p><\/div>\n<\/p><\/div>\n<\/div>\n<p>\u0646\u0647\u0627\u06cc\u062a\u0627 \u06a9\u062f LINQ \u0645\u0648\u0631\u062f \u0646\u06cc\u0627\u0632 \u0634\u0645\u0627 \u06a9\u0647 \u062f\u0642\u06cc\u0642\u0627 \u0646\u062a\u06cc\u062c\u0647 \u0627\u06cc \u0645\u0639\u0627\u062f\u0644 \u06a9\u0631 TSQL \u06af\u0632\u0627\u0631\u0634 \u0641\u0648\u0642 \u0631\u0627 \u0628\u0631\u06af\u0631\u062f\u0627\u0646\u062f \u0627\u06cc\u0646\u0686\u0646\u06cc\u0646 \u062e\u0648\u0627\u0647\u062f \u0628\u0648\u062f.<\/p>\n<div style=\"direction: ltr\">\n<div style=\"border-bottom: gray 1px solid; border-left: gray 1px solid; padding-bottom: 4px; line-height: 12pt; background-color: #f4f4f4; margin: 20px 0px 10px; padding-left: 4px; width: 97.5%; padding-right: 4px; font-family: consolas, &#39;Courier New&#39;, courier, monospace; max-height: 200px; font-size: 8pt; overflow: auto; border-top: gray 1px solid; cursor: text; border-right: gray 1px solid; padding-top: 4px\">\n<div style=\"border-bottom-style: none; padding-bottom: 0px; line-height: 12pt; border-right-style: none; background-color: #f4f4f4; padding-left: 0px; width: 100%; padding-right: 0px; font-family: consolas, &#39;Courier New&#39;, courier, monospace; border-top-style: none; color: black; font-size: 8pt; border-left-style: none; overflow: visible; padding-top: 0px\">\n<pre style=\"border-bottom-style: none; padding-bottom: 0px; line-height: 12pt; border-right-style: none; background-color: white; margin: 0em; padding-left: 0px; width: 100%; padding-right: 0px; font-family: consolas, &#39;Courier New&#39;, courier, monospace; border-top-style: none; color: black; font-size: 8pt; border-left-style: none; overflow: visible; padding-top: 0px\"><span style=\"color: #606060\">   1:<\/span> from c <span style=\"color: #0000ff\">in<\/span> StudentsDT<\/pre>\n<pre style=\"border-bottom-style: none; padding-bottom: 0px; line-height: 12pt; border-right-style: none; background-color: #f4f4f4; margin: 0em; padding-left: 0px; width: 100%; padding-right: 0px; font-family: consolas, &#39;Courier New&#39;, courier, monospace; border-top-style: none; color: black; font-size: 8pt; border-left-style: none; overflow: visible; padding-top: 0px\"><span style=\"color: #606060\">   2:<\/span> select <span style=\"color: #0000ff\">new<\/span><\/pre>\n<pre style=\"border-bottom-style: none; padding-bottom: 0px; line-height: 12pt; border-right-style: none; background-color: white; margin: 0em; padding-left: 0px; width: 100%; padding-right: 0px; font-family: consolas, &#39;Courier New&#39;, courier, monospace; border-top-style: none; color: black; font-size: 8pt; border-left-style: none; overflow: visible; padding-top: 0px\"><span style=\"color: #606060\">   3:<\/span>         {<\/pre>\n<pre style=\"border-bottom-style: none; padding-bottom: 0px; line-height: 12pt; border-right-style: none; background-color: #f4f4f4; margin: 0em; padding-left: 0px; width: 100%; padding-right: 0px; font-family: consolas, &#39;Courier New&#39;, courier, monospace; border-top-style: none; color: black; font-size: 8pt; border-left-style: none; overflow: visible; padding-top: 0px\"><span style=\"color: #606060\">   4:<\/span>           c.first_name,<\/pre>\n<pre style=\"border-bottom-style: none; padding-bottom: 0px; line-height: 12pt; border-right-style: none; background-color: white; margin: 0em; padding-left: 0px; width: 100%; padding-right: 0px; font-family: consolas, &#39;Courier New&#39;, courier, monospace; border-top-style: none; color: black; font-size: 8pt; border-left-style: none; overflow: visible; padding-top: 0px\"><span style=\"color: #606060\">   5:<\/span>           c.last_name,<\/pre>\n<pre style=\"border-bottom-style: none; padding-bottom: 0px; line-height: 12pt; border-right-style: none; background-color: #f4f4f4; margin: 0em; padding-left: 0px; width: 100%; padding-right: 0px; font-family: consolas, &#39;Courier New&#39;, courier, monospace; border-top-style: none; color: black; font-size: 8pt; border-left-style: none; overflow: visible; padding-top: 0px\"><span style=\"color: #606060\">   6:<\/span>           grade= c.grade == 1 ? <span style=\"color: #006080\">&quot;\u062f\u0628\u0633\u062a\u0627\u0646&quot;<\/span> : <\/pre>\n<pre style=\"border-bottom-style: none; padding-bottom: 0px; line-height: 12pt; border-right-style: none; background-color: white; margin: 0em; padding-left: 0px; width: 100%; padding-right: 0px; font-family: consolas, &#39;Courier New&#39;, courier, monospace; border-top-style: none; color: black; font-size: 8pt; border-left-style: none; overflow: visible; padding-top: 0px\"><span style=\"color: #606060\">   7:<\/span>           c.Temperature ==  2 ? <span style=\"color: #006080\">&quot;\u0631\u0627\u0647\u0646\u0645\u0627\u06cc\u06cc&quot;<\/span> :<\/pre>\n<pre style=\"border-bottom-style: none; padding-bottom: 0px; line-height: 12pt; border-right-style: none; background-color: #f4f4f4; margin: 0em; padding-left: 0px; width: 100%; padding-right: 0px; font-family: consolas, &#39;Courier New&#39;, courier, monospace; border-top-style: none; color: black; font-size: 8pt; border-left-style: none; overflow: visible; padding-top: 0px\"><span style=\"color: #606060\">   8:<\/span>           c.Temperature ==  3 ? <span style=\"color: #006080\">&quot;\u062f\u0628\u06cc\u0631\u0633\u062a\u0627\u0646&quot;<\/span> :<\/pre>\n<pre style=\"border-bottom-style: none; padding-bottom: 0px; line-height: 12pt; border-right-style: none; background-color: white; margin: 0em; padding-left: 0px; width: 100%; padding-right: 0px; font-family: consolas, &#39;Courier New&#39;, courier, monospace; border-top-style: none; color: black; font-size: 8pt; border-left-style: none; overflow: visible; padding-top: 0px\"><span style=\"color: #606060\">   9:<\/span>           c.Temperature ==  4 ? <span style=\"color: #006080\">&quot;\u062f\u0627\u0646\u0634\u06af\u0627\u0647&quot;<\/span> : <span style=\"color: #006080\">&quot;&quot;<\/span><\/pre>\n<pre style=\"border-bottom-style: none; padding-bottom: 0px; line-height: 12pt; border-right-style: none; background-color: #f4f4f4; margin: 0em; padding-left: 0px; width: 100%; padding-right: 0px; font-family: consolas, &#39;Courier New&#39;, courier, monospace; border-top-style: none; color: black; font-size: 8pt; border-left-style: none; overflow: visible; padding-top: 0px\"><span style=\"color: #606060\">  10:<\/span>         }<\/pre>\n<\/p><\/div>\n<\/p><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u0628\u0631 \u062d\u0633\u0628 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