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17 April 2008
Short and Sweet "Silverlight 2.0, LINQ and WCF in 5 Minutes" Video

Download Source This is the first video in my new "Short and Sweet" video series. I'm going to continue with Silverlight, LINQ and WCF path for the series. Please ping me if you have an idea for a future video. This video takes you through the minimum Read More...

6 Comments

Filed under: asp.net, c#, .net, sql, silverlight, linq, videos

 

02 December 2007
LINQ: Sequence contains no elements. InvalidOperationException when calling Single

If you call Single to get an object from your DB and the object doesn't exist you will get an InvalidOperationException. return this .DataContext.MemberDaos.Single(m => m.MemberID == id); Instead of Single, use SingleOrDefault, which will return null Read More...

8 Comments

Filed under: solution, c#, linq

 

01 December 2007
LINQ: "Add" renamed to "InsertOnSubmit"

If you are using LINQ to insert data with RTM bits you won't find the Add method on the DataContext post Beta2. Use the InsertOnSubmit method instead. Read More...

6 Comments

Filed under: solution, c#, linq

 

25 November 2007
LINQ and Web Application Connection Strings

It's usually a good idea to seperate Biz Layer Objects and Data Access Objects into seperate assemblies, but when you do that and use LINQ to SQL (.dbml) files the DataContext object default ctor uses the Settings file that is automattically generated Read More...

9 Comments

Filed under: asp.net, c#, web applications, linq