PeterKellner.net » LINQ to SQL http://peterkellner.net Specializing in Microsoft Web and Database Technologies Thu, 29 Jul 2010 14:32:34 +0000 http://wordpress.org/?v=2.9.2 en hourly 1 Is There A Need For End-To-End ExtJS to Microsoft Server (MVC-C#, LOB) 4 Day Class? (Poll Enclosed) http://peterkellner.net/2010/05/04/lob-training-poll-using-extjs-dotnet-aspnet-mvc/ http://peterkellner.net/2010/05/04/lob-training-poll-using-extjs-dotnet-aspnet-mvc/#comments Wed, 05 May 2010 02:54:13 +0000 Peter Kellner http://peterkellner.net/?p=1289 http://peterkellner.net/2010/05/04/lob-training-poll-using-extjs-dotnet-aspnet-mvc/feed/ 7 Converting From System.Data.Linq.Binary to String and Back http://peterkellner.net/2009/11/08/csharp-linqbinary-tostring-andback/ http://peterkellner.net/2009/11/08/csharp-linqbinary-tostring-andback/#comments Sun, 08 Nov 2009 17:49:58 +0000 Peter Kellner http://peterkellner.net/2009/11/08/csharp-linqbinary-tostring-andback/ http://peterkellner.net/2009/11/08/csharp-linqbinary-tostring-andback/feed/ 1 LINQPad Help For Creating Nasty Group by Query in Native SQL http://peterkellner.net/2009/09/28/linq2sql-groupby-date-linqpad/ http://peterkellner.net/2009/09/28/linq2sql-groupby-date-linqpad/#comments Mon, 28 Sep 2009 16:51:21 +0000 Peter Kellner http://peterkellner.net/2009/09/28/linq2sql-groupby-date-linqpad/ http://peterkellner.net/2009/09/28/linq2sql-groupby-date-linqpad/feed/ 1 Using LINQ2SQL, Use Group By To Get List of Top Occuring Values http://peterkellner.net/2009/09/03/linq2sql-groupby-having-orderbydescending-delegate/ http://peterkellner.net/2009/09/03/linq2sql-groupby-having-orderbydescending-delegate/#comments Thu, 03 Sep 2009 23:05:45 +0000 Peter Kellner http://peterkellner.net/2009/09/03/linq2sql-groupby-having-orderbydescending-delegate/ http://peterkellner.net/2009/09/03/linq2sql-groupby-having-orderbydescending-delegate/feed/ 0 Interesting LINQ side affect, Pass in empty List<int> using Contains and Get Where 0 == 1. Hmm http://peterkellner.net/2009/06/14/linq2sql-gotcha-generic-list/ http://peterkellner.net/2009/06/14/linq2sql-gotcha-generic-list/#comments Sun, 14 Jun 2009 15:21:18 +0000 Peter Kellner http://peterkellner.net/2009/06/14/linq2sql-gotcha-generic-list/ http://peterkellner.net/2009/06/14/linq2sql-gotcha-generic-list/feed/ 4 Combing LINQPAD with LINQ In Action From Manning http://peterkellner.net/2009/06/09/linqpad-wooley-manning-linqinaction/ http://peterkellner.net/2009/06/09/linqpad-wooley-manning-linqinaction/#comments Tue, 09 Jun 2009 16:08:39 +0000 Peter Kellner http://peterkellner.net/2009/06/09/linqpad-wooley-manning-linqinaction/ http://peterkellner.net/2009/06/09/linqpad-wooley-manning-linqinaction/feed/ 1 780 Requests Per Second Verses 110, You Really Need to Compile your LINQ to SQL (LINQ2SQL) Queries http://peterkellner.net/2009/06/08/linq2sql-uncompiled-verses-compiled-iis-performance-aspnet/ http://peterkellner.net/2009/06/08/linq2sql-uncompiled-verses-compiled-iis-performance-aspnet/#comments Tue, 09 Jun 2009 05:21:49 +0000 Peter Kellner http://peterkellner.net/2009/06/08/linq2sql-uncompiled-verses-compiled-iis-performance-aspnet/ http://peterkellner.net/2009/06/08/linq2sql-uncompiled-verses-compiled-iis-performance-aspnet/feed/ 6 Not Sure If I’ve Said Often Enough.. I LOVE LINQPAD!!! http://peterkellner.net/2009/06/04/yet-another-happy-linqpad-customer/ http://peterkellner.net/2009/06/04/yet-another-happy-linqpad-customer/#comments Thu, 04 Jun 2009 13:30:51 +0000 Peter Kellner http://peterkellner.net/2009/06/04/yet-another-happy-linqpad-customer/ http://peterkellner.net/2009/06/04/yet-another-happy-linqpad-customer/feed/ 0 How Fast are In Memory LINQ Evaluations for Doing Simple Things? http://peterkellner.net/2009/06/03/linq-in-memory-performance/ http://peterkellner.net/2009/06/03/linq-in-memory-performance/#comments Thu, 04 Jun 2009 01:27:19 +0000 Peter Kellner http://peterkellner.net/2009/06/03/linq-in-memory-performance/ http://peterkellner.net/2009/06/03/linq-in-memory-performance/feed/ 1 LINQ To SQL Very Slow Performance Without Compile (CompileQuery) http://peterkellner.net/2009/05/06/linq-to-sql-slow-performance-compilequery-critical/ http://peterkellner.net/2009/05/06/linq-to-sql-slow-performance-compilequery-critical/#comments Wed, 06 May 2009 17:23:25 +0000 Peter Kellner http://peterkellner.net/2009/05/06/linq-to-sql-slow-performance-compilequery-critical/ In this article, it is shown how important it can be to use the CompileQuery class when using LINQ to SQL. Doing a simple query in LINQ to SQL verses ADO.NET is shown to run 37 times slower without taking advantage of the Compile feature in LINQ to SQL. If you are doing the same query over and over in LINQ to SQL, this is a no brainer. I'm surprised I did not know this myself previously.

Performance of LINQ to SQL compiled verses not and ADO.NET]]> http://peterkellner.net/2009/05/06/linq-to-sql-slow-performance-compilequery-critical/feed/ 9