{"id":203214,"date":"2013-11-22T12:05:03","date_gmt":"2013-11-22T08:05:03","guid":{"rendered":"http:\/\/savepearlharbor.com\/?p=203214"},"modified":"-0001-11-30T00:00:00","modified_gmt":"-0001-11-29T21:00:00","slug":"","status":"publish","type":"post","link":"https:\/\/savepearlharbor.com\/?p=203214","title":{"rendered":"<span class=\"post_title\">\u0423\u0441\u043a\u043e\u0440\u044f\u0435\u043c Update \u0438 Delete \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0438 \u0434\u043b\u044f Entity Framework<\/span>"},"content":{"rendered":"<div class=\"content html_format\">   \t\u0423 ORM Entity Framework \u0435\u0441\u0442\u044c \u0410\u0445\u0438\u043b\u043b\u0435\u0441\u043e\u0432\u0430 \u043f\u044f\u0442\u0430. \u0421\u043e\u0441\u0442\u043e\u0438\u0442 \u043e\u043d\u0430 \u0432 \u0442\u043e\u043c, \u0447\u0442\u043e \u0438\u0437 CRUD \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0439 \u0442\u043e\u043b\u044c\u043a\u043e \u043b\u0438\u0448\u044c Create \u0438 Read \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u044e\u0442\u0441\u044f \u043e\u043f\u0442\u0438\u043c\u0430\u043b\u044c\u043d\u043e. \u0414\u043b\u044f Update \u0438 Delete \u0432 \u0432\u0430\u0440\u0438\u0430\u043d\u0442\u0435 \u0438\u0437 \u043a\u043e\u0440\u043e\u0431\u043a\u0438 \u043c\u044b \u0441\u043d\u0430\u0447\u0430\u043b\u0430 \u0434\u043e\u043b\u0436\u043d\u044b \u043f\u0440\u043e\u0447\u0438\u0442\u0430\u0442\u044c \u0446\u0435\u043b\u0438\u043a\u043e\u043c \u0437\u0430\u043f\u0438\u0441\u044c \u0438\u0437 \u0411\u0414 \u0438 \u043b\u0438\u0448\u044c \u043f\u043e\u0442\u043e\u043c \u043c\u043e\u0436\u0435\u043c \u0435\u0451 \u043e\u0431\u043d\u043e\u0432\u0438\u0442\u044c. \u0418, \u0434\u0430, \u0447\u0442\u043e\u0431\u044b \u0443\u0434\u0430\u043b\u0438\u0442\u044c \u0437\u0430\u043f\u0438\u0441\u044c \u043c\u044b \u0442\u043e\u0436\u0435 \u0434\u043e\u043b\u0436\u043d\u044b \u0435\u0451 \u0441\u043d\u0430\u0447\u0430\u043b\u0430 \u043f\u0440\u043e\u0447\u0438\u0442\u0430\u0442\u044c.<\/p>\n<p>  \u0422.\u0435. \u043d\u0435\u0441\u0447\u0430\u0441\u0442\u043d\u044b\u0439 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0438\u0441\u0442 \u0434\u043e\u043b\u0436\u0435\u043d \u043f\u0438\u0441\u0430\u0442\u044c \u0447\u0442\u043e-\u0442\u043e \u0432\u0440\u043e\u0434\u0435   <\/p>\n<pre><code class=\"cs\">using (var ctx = new ShopEntities()) {     foreach (var u in ctx.Users)     {         ctx.Users.Remove(u);     }     ctx.SaveChanges(); }<\/code><\/pre>\n<p>  \u041d\u043e \u0441 \u0432\u044b\u0445\u043e\u0434\u043e\u043c \u043f\u0430\u043a\u0435\u0442\u0430 EntityFramework.Extended \u0441\u0438\u0442\u0443\u0430\u0446\u0438\u044f \u0432 \u043a\u043e\u0440\u043d\u0435 \u043c\u0435\u043d\u044f\u0435\u0442\u0441\u044f.<br \/>  <a name=\"habracut\"><\/a><br \/>  \u0418\u0442\u0430\u043a, \u0443\u0441\u0442\u0430\u043d\u0430\u0432\u043b\u0438\u0432\u0430\u0435\u043c \u043f\u0430\u043a\u0435\u0442 \u0438\u0437 \u0440\u0435\u043f\u043e\u0437\u0438\u0442\u043e\u0440\u0438\u044f \u043a\u043e\u043c\u0430\u043d\u0434\u043e\u0439 \u201cInstall-Package EntityFramework.Extended\u201d. \u0414\u0430\u043b\u0435\u0435 \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0430\u0435\u043c \u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u0441\u0442\u0432\u043e \u0438\u043c\u0435\u043d \u201cEntityFramework.Extensions\u201d. <br \/>  \u0418 \u043d\u0430\u0447\u0438\u043d\u0430\u0435\u0442\u0441\u044f \u043c\u0430\u0433\u0438\u044f.<\/p>\n<p>  \u0422\u0435\u043f\u0435\u0440\u044c \u0443\u0434\u0430\u043b\u0435\u043d\u0438\u0435 \u0432\u044b\u0433\u043b\u044f\u0434\u0438\u0442 \u0432\u043e\u0442 \u0442\u0430\u043a.  <\/p>\n<pre><code class=\"cs\">using (var ctx = new ShopEntities()) {     var itemsDeleted = ctx.Users.Delete(u =&gt; u.Orders.Count &gt; 10);     \/\/\u041e\u0441\u0442\u043e\u0440\u043e\u0436\u043d\u043e, \u0437\u0430\u043f\u0440\u043e\u0441 \u0443\u0436\u0435 \u0443\u043b\u0435\u0442\u0435\u043b \u0432 \u0411\u0414      \/\/\u0438, \u043d\u0435\u0441\u043c\u043e\u0442\u0440\u044f \u043d\u0430 \u043e\u0442\u0441\u0443\u0442\u0441\u0442\u0432\u0438\u0435 \u0432\u044b\u0437\u043e\u0432\u0430  ctx.SaveChanges(), \u0434\u0430\u043d\u043d\u044b\u0435 \u0431\u044b\u043b\u0438 \u0443\u0434\u0430\u043b\u0435\u043d\u044b     Console.WriteLine(&quot;{0} users were deleted&quot;, itemsDeleted); } <\/code><\/pre>\n<p>  \u041a\u0441\u0442\u0430\u0442\u0438, \u043d\u0435 \u043b\u0438\u0448\u043d\u0438\u043c \u0431\u0443\u0434\u0435\u0442 \u043f\u043e\u0441\u043c\u043e\u0442\u0440\u0435\u0442\u044c, \u0447\u0442\u043e \u043f\u043e\u043b\u0435\u0442\u0435\u043b\u043e \u043d\u0430 \u0441\u0435\u0440\u0432\u0435\u0440.<br \/>  \u042d\u0442\u043e \u0431\u044b\u043b \u0432\u043e\u0442 \u0442\u0430\u043a\u043e\u0439 \u0437\u0430\u043f\u0440\u043e\u0441   <\/p>\n<pre><code class=\"sql\">DELETE [dbo].[Users] FROM [dbo].[Users] AS j0 INNER JOIN ( SELECT      [Project1].[ID] AS [ID]     FROM ( SELECT          [Extent1].[ID] AS [ID],          (SELECT              COUNT(1) AS [A1]             FROM [dbo].[Orders] AS [Extent2]             WHERE [Extent1].[ID] = [Extent2].[UserID]) AS [C1]         FROM [dbo].[Users] AS [Extent1]     )  AS [Project1]     WHERE [Project1].[C1] &gt; 10 ) AS j1 ON (j0.[ID] = j1.[ID]) go <\/code><\/pre>\n<p>  \u041a\u0430\u043a \u043c\u044b \u0432\u0438\u0434\u0438\u043c, \u044d\u0442\u043e \u0447\u0435\u0441\u0442\u043d\u044b\u0439 (\u0445\u043e\u0442\u044f \u0438 \u043a\u043e\u0440\u044f\u0432\u044b\u0439) \u0437\u0430\u043f\u0440\u043e\u0441 \u043d\u0430 \u0433\u0440\u0443\u043f\u043f\u043e\u0432\u043e\u0435 \u0443\u0434\u0430\u043b\u0435\u043d\u0438\u0435 \u0441 \u0443\u0441\u043b\u043e\u0432\u0438\u0435\u043c.<\/p>\n<p>  \u0410\u043d\u0430\u043b\u043e\u0433\u0438\u0447\u043d\u043e \u0441 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435\u043c \u0437\u0430\u043f\u0438\u0441\u0435\u0439. \u0411\u043e\u043b\u044c\u0448\u0435 \u043d\u0435 \u043d\u0443\u0436\u043d\u043e \u0447\u0438\u0442\u0430\u0442\u044c \u0434\u0430\u043d\u043d\u044b\u0435 \u0438\u0437 \u0411\u0414 \u043f\u0435\u0440\u0435\u0434 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435\u043c. \u041f\u0440\u0438 \u044d\u0442\u043e\u043c \u043c\u044b \u043c\u043e\u0436\u0435\u043c \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u044e\u0449\u0438\u0435 \u0434\u0430\u043d\u043d\u044b\u0435 \u0432 \u0437\u0430\u043f\u0438\u0441\u044f\u0445, \u0430 \u043d\u0435 \u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0435\u043d\u044b \u043b\u0438\u0448\u044c \u043a\u043e\u043d\u0441\u0442\u0430\u043d\u0442\u0430\u043c\u0438.  <\/p>\n<pre><code class=\"cs\">using (var ctx = new ShopEntities()) {     var itemsUpdated = ctx.Users.Where(u =&gt; u.Orders.Count &gt; 0).Update(u =&gt; new User { BonusCount = u.BonusCount + 1 });     \/\/\u041e\u0441\u0442\u043e\u0440\u043e\u0436\u043d\u043e, \u0437\u0430\u043f\u0440\u043e\u0441 \u0443\u0436\u0435 \u0443\u043b\u0435\u0442\u0435\u043b \u0432 \u0411\u0414      \/\/\u0438, \u043d\u0435\u0441\u043c\u043e\u0442\u0440\u044f \u043d\u0430 \u043e\u0442\u0441\u0443\u0442\u0441\u0442\u0432\u0438\u0435 \u0432\u044b\u0437\u043e\u0432\u0430  ctx.SaveChanges(), \u0434\u0430\u043d\u043d\u044b\u0435 \u0431\u044b\u043b\u0438 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u044b     Console.WriteLine(&quot;{0} users were updated&quot;, itemsUpdated); } <\/code><\/pre>\n<p>  \u0421\u043c\u043e\u0442\u0440\u0438\u043c SQL \u0437\u0430\u043f\u0440\u043e\u0441 \u0432 \u043f\u0440\u043e\u0444\u0430\u0439\u043b\u0435\u0440\u0435.  <\/p>\n<pre><code class=\"sql\">UPDATE [dbo].[Users] SET  [BonusCount] = [BonusCount] + 1   FROM [dbo].[Users] AS j0 INNER JOIN ( SELECT      [Project1].[ID] AS [ID]     FROM ( SELECT          [Extent1].[ID] AS [ID],          (SELECT              COUNT(1) AS [A1]             FROM [dbo].[Orders] AS [Extent2]             WHERE [Extent1].[ID] = [Extent2].[UserID]) AS [C1]         FROM [dbo].[Users] AS [Extent1]     )  AS [Project1]     WHERE [Project1].[C1] &gt; 0 ) AS j1 ON (j0.[ID] = j1.[ID]) go <\/code><\/pre>\n<p>  \u042d\u0442\u043e \u0434\u0432\u0435 \u043e\u0441\u043d\u043e\u0432\u043d\u044b\u0435 \u0444\u0443\u043d\u043a\u0446\u0438\u0438 \u0438\u0437-\u0437\u0430 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0441\u0442\u043e\u0438\u0442 \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u0438\u0442\u044c \u0434\u0430\u043d\u043d\u044b\u0439 \u043f\u0430\u043a\u0435\u0442 \u0440\u0430\u0441\u0448\u0438\u0440\u0435\u043d\u0438\u0439.<br \/>  \u041d\u043e \u0435\u0441\u0442\u044c \u0438 \u0435\u0449\u0451 \u0441\u0430\u0445\u0430\u0440. \u0421\u043e\u0437\u0434\u0430\u0442\u0435\u043b\u044c \u043f\u0430\u043a\u0435\u0442\u0430 \u043f\u0440\u0435\u0434\u043b\u0430\u0433\u0430\u0435\u0442 \u043d\u0430\u043c \u043a\u043e\u043f\u0438\u0442\u044c \u0437\u0430\u043f\u0440\u043e\u0441\u044b \u043d\u0430 \u0432\u044b\u0431\u043e\u0440\u043a\u0443, \u0447\u0442\u043e\u0431\u044b \u043f\u043e\u0442\u043e\u043c \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0442\u044c \u0438\u0445 \u0437\u0430 \u043e\u0434\u0438\u043d \u043f\u043e\u0434\u0445\u043e\u0434. \u0414\u043b\u044f \u044d\u0442\u043e\u0433\u043e \u043c\u044b \u0434\u043e \u043c\u0430\u0442\u0435\u0440\u0438\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u043c\u0430\u0440\u043a\u0438\u0440\u0443\u0435\u043c \u0434\u0430\u043d\u043d\u044b\u0435 \u043a\u0430\u043a Future() \u0438 \u043f\u043e\u0442\u043e\u043c, \u043f\u0440\u0438 \u043c\u0430\u0442\u0435\u0440\u0438\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u043b\u044e\u0431\u043e\u0433\u043e \u0438\u0437 \u043e\u0431\u044a\u0435\u043a\u0442\u043e\u0432, \u043e\u0441\u0442\u0430\u043b\u044c\u043d\u044b\u0435 \u0431\u0443\u0434\u0443\u0442 \u043c\u0430\u0442\u0435\u0440\u0438\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d\u044b \u0430\u0432\u0442\u043e\u043c\u0430\u0442\u0438\u0447\u0435\u0441\u043a\u0438.  <\/p>\n<pre><code class=\"cs\">using (var ctx = new ShopEntities()) {     var alexUsers = ctx.Users.Where(u =&gt; u.Name == &quot;Alex&quot;).Future();     var usersWithOrders = ctx.Users.Where(c =&gt; c.Orders.Any()).Future();      foreach (var item in alexUsers) \/\/\u043c\u0430\u0442\u0435\u0440\u0438\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f \u0432\u0441\u0435\u0445 \u0434\u0430\u043d\u043d\u044b\u0445 \u0431\u044b\u043b\u0430 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0430 \u0432 \u044d\u0442\u043e\u0442 \u043c\u043e\u043c\u0435\u043d\u0442 \u0437\u0430 \u043e\u0434\u0438\u043d round-trip \u043a \u0441\u0435\u0440\u0432\u0435\u0440\u0443.     {         Console.WriteLine(&quot;{0} {1}&quot;, item.ID, item.Name);     }      foreach (var item in usersWithOrders) \/\/\u0437\u0434\u0435\u0441\u044c \u043d\u0435\u0442 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f SQL     {         Console.WriteLine(&quot;{0} {1}&quot;, item.ID, item.Name);     } } <\/code><\/pre>\n<p>  \u0410 \u0432\u043e\u0442 \u0442\u0430\u043a\u043e\u0439 \u0431\u044b\u043b SQL \u0437\u0430\u043f\u0440\u043e\u0441  <\/p>\n<pre><code class=\"sql\"> -- Query #1  SELECT      [Extent1].[ID] AS [ID],      [Extent1].[Name] AS [Name],      [Extent1].[IsTop10] AS [IsTop10],      [Extent1].[BonusCount] AS [BonusCount]     FROM [dbo].[Users] AS [Extent1]     WHERE (N'Alex' = [Extent1].[Name]) AND ([Extent1].[Name] IS NOT NULL);  -- Query #2  SELECT      [Extent1].[ID] AS [ID],      [Extent1].[Name] AS [Name],      [Extent1].[IsTop10] AS [IsTop10],      [Extent1].[BonusCount] AS [BonusCount]     FROM [dbo].[Users] AS [Extent1]     WHERE  EXISTS (SELECT          1 AS [C1]         FROM [dbo].[Orders] AS [Extent2]         WHERE [Extent1].[ID] = [Extent2].[UserID]     );  go <\/code><\/pre>\n<p>  \u041a\u0440\u043e\u043c\u0435 \u0440\u0430\u0441\u0448\u0438\u0440\u0435\u043d\u0438\u044f Future, \u0442\u0430\u043a \u0436\u0435 \u0434\u043e\u0441\u0442\u0443\u043f\u043d\u044b FutureCount, FutureFirstOrDefault, FutureValue.<\/p>\n<p>  \u041d\u043e \u0438 \u044d\u0442\u043e \u0435\u0449\u0451 \u043d\u0435 \u0432\u0441\u0451. \u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u044c\u0442\u0435, \u0447\u0442\u043e \u0443 \u0432\u0430\u0441 \u0435\u0441\u0442\u044c \u043c\u043e\u0434\u0443\u043b\u044c, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043e\u0431\u0440\u0430\u0431\u0430\u0442\u044b\u0432\u0430\u0435\u0442 \u0447\u0430\u0441\u0442\u044b\u0435 \u0437\u0430\u043f\u0440\u043e\u0441\u044b \u043a \u0440\u0435\u0434\u043a\u043e \u0438\u0437\u043c\u0435\u043d\u044f\u0435\u043c\u044b\u043c \u0434\u0430\u043d\u043d\u044b\u043c. \u041d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u0430\u0432\u0442\u043e\u0440\u0438\u0437\u0430\u0446\u0438\u044f \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f. \u0425\u043e\u0447\u0435\u0442\u0441\u044f \u0437\u0430\u043a\u0435\u0448\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u044b? \u041f\u043e\u0436\u0430\u043b\u0443\u0439\u0441\u0442\u0430. \u041a\u0430\u043a \u0432\u0438\u0434\u043d\u043e \u0438\u0437 \u043a\u043e\u0434\u0430, \u043a\u044d\u0448 \u043d\u0435 \u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u043a\u043e\u043d\u0442\u0435\u043a\u0441\u0442\u043e\u043c, \u0430 \u043e\u0441\u0442\u0430\u0451\u0442\u0441\u044f \u0430\u043a\u0442\u0443\u0430\u043b\u044c\u043d\u044b\u043c \u0434\u0430\u0436\u0435 \u043f\u043e\u0441\u043b\u0435 \u0435\u0433\u043e \u043f\u043e\u0432\u0442\u043e\u0440\u043d\u043e\u0433\u043e \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u044f.<\/p>\n<pre><code class=\"cs\">for (int i = 0; i &lt; 2; i++) {     using (var ctx = new ShopEntities())     {         var alexUsers = ctx.Users.Where(u =&gt; u.Name == &quot;Alex&quot;).FromCache();          foreach (var item in alexUsers) \/\/i == 0 \u0437\u0430\u043f\u0440\u043e\u0441 \u0432 \u0411\u0414 \u0443\u0448\u0451\u043b, i == 1 \u0437\u0430\u043f\u0440\u043e\u0441\u0430 \u0432 \u0411\u0414 \u043d\u0435 \u0431\u044b\u043b\u043e         {             Console.WriteLine(&quot;{0} {1}&quot;, item.ID, item.Name);         }     } }    <\/code><\/pre>\n<p>  \u0423 \u043c\u0435\u0442\u043e\u0434\u0430 FromCache \u0435\u0441\u0442\u044c \u043f\u0435\u0440\u0435\u0433\u0440\u0443\u0437\u043a\u0430 \u0434\u043b\u044f \u0442\u043e\u0447\u043d\u043e\u0433\u043e \u0443\u043a\u0430\u0437\u0430\u043d\u0438\u044f \u0432\u0440\u0435\u043c\u0435\u043d\u0438 \u043a\u0435\u0448\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f.<\/p>\n<p>  \u0422\u0430\u043a\u0438\u043c \u043e\u0431\u0440\u0430\u0437\u043e\u043c \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0430 \u0438 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 EntityFramework.Extended \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u043d\u0435 \u0442\u043e\u043b\u044c\u043a\u043e \u0443\u0441\u0442\u0440\u0430\u043d\u0438\u0442\u044c \u0434\u0435\u0442\u0441\u043a\u0438\u0435 \u0431\u043e\u043b\u0435\u0437\u043d\u0438 EntityFramework, \u043d\u043e \u0438 \u0443\u0441\u043a\u043e\u0440\u0438\u0442\u044c \u0435\u0433\u043e \u0432 \u043c\u0435\u0441\u0442\u0430\u0445 \u0432\u044b\u0441\u043e\u043a\u043e\u0439 \u043d\u0430\u0433\u0440\u0443\u0437\u043a\u0438 \u043d\u0435 \u043f\u0435\u0440\u0435\u0445\u043e\u0434\u044f \u043d\u0430 \u043d\u0438\u0436\u043d\u0438\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u0445\u0440\u0430\u043d\u0438\u043c\u044b\u0445 \u043f\u0440\u043e\u0446\u0435\u0434\u0443\u0440.    \t<\/p>\n<div class=\"clear\"><\/div>\n<\/p><\/div>\n<p> \u0441\u0441\u044b\u043b\u043a\u0430 \u043d\u0430 \u043e\u0440\u0438\u0433\u0438\u043d\u0430\u043b \u0441\u0442\u0430\u0442\u044c\u0438 <a href=\"http:\/\/habrahabr.ru\/post\/203214\/\"> http:\/\/habrahabr.ru\/post\/203214\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<div class=\"content html_format\">   \t\u0423 ORM Entity Framework \u0435\u0441\u0442\u044c \u0410\u0445\u0438\u043b\u043b\u0435\u0441\u043e\u0432\u0430 \u043f\u044f\u0442\u0430. \u0421\u043e\u0441\u0442\u043e\u0438\u0442 \u043e\u043d\u0430 \u0432 \u0442\u043e\u043c, \u0447\u0442\u043e \u0438\u0437 CRUD \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0439 \u0442\u043e\u043b\u044c\u043a\u043e \u043b\u0438\u0448\u044c Create \u0438 Read \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u044e\u0442\u0441\u044f \u043e\u043f\u0442\u0438\u043c\u0430\u043b\u044c\u043d\u043e. \u0414\u043b\u044f Update \u0438 Delete \u0432 \u0432\u0430\u0440\u0438\u0430\u043d\u0442\u0435 \u0438\u0437 \u043a\u043e\u0440\u043e\u0431\u043a\u0438 \u043c\u044b \u0441\u043d\u0430\u0447\u0430\u043b\u0430 \u0434\u043e\u043b\u0436\u043d\u044b \u043f\u0440\u043e\u0447\u0438\u0442\u0430\u0442\u044c \u0446\u0435\u043b\u0438\u043a\u043e\u043c \u0437\u0430\u043f\u0438\u0441\u044c \u0438\u0437 \u0411\u0414 \u0438 \u043b\u0438\u0448\u044c \u043f\u043e\u0442\u043e\u043c \u043c\u043e\u0436\u0435\u043c \u0435\u0451 \u043e\u0431\u043d\u043e\u0432\u0438\u0442\u044c. \u0418, \u0434\u0430, \u0447\u0442\u043e\u0431\u044b \u0443\u0434\u0430\u043b\u0438\u0442\u044c \u0437\u0430\u043f\u0438\u0441\u044c \u043c\u044b \u0442\u043e\u0436\u0435 \u0434\u043e\u043b\u0436\u043d\u044b \u0435\u0451 \u0441\u043d\u0430\u0447\u0430\u043b\u0430 \u043f\u0440\u043e\u0447\u0438\u0442\u0430\u0442\u044c.<\/p>\n<p>  \u0422.\u0435. \u043d\u0435\u0441\u0447\u0430\u0441\u0442\u043d\u044b\u0439 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0438\u0441\u0442 \u0434\u043e\u043b\u0436\u0435\u043d \u043f\u0438\u0441\u0430\u0442\u044c \u0447\u0442\u043e-\u0442\u043e \u0432\u0440\u043e\u0434\u0435   <\/p>\n<pre><code class=\"cs\">using (var ctx = new ShopEntities()) {     foreach (var u in ctx.Users)     {         ctx.Users.Remove(u);     }     ctx.SaveChanges(); }<\/code><\/pre>\n<p>  \u041d\u043e \u0441 \u0432\u044b\u0445\u043e\u0434\u043e\u043c \u043f\u0430\u043a\u0435\u0442\u0430 EntityFramework.Extended \u0441\u0438\u0442\u0443\u0430\u0446\u0438\u044f \u0432 \u043a\u043e\u0440\u043d\u0435 \u043c\u0435\u043d\u044f\u0435\u0442\u0441\u044f.  <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-203214","post","type-post","status-publish","format-standard","hentry"],"_links":{"self":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/posts\/203214","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=203214"}],"version-history":[{"count":0,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/posts\/203214\/revisions"}],"wp:attachment":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=203214"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=203214"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=203214"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}