InvocationExpression and LINQ to Entities

I talked a little bit about patterns using InvocationExpression in a previous post (you might want to review the post for some context). It turns out my advice wasn’t that easy to implement… Fortunately, the EFExtensions  helper library now includes an ExpandInvocations method that implements the same functionality (and a little bit more). I’ll return…

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Stored Procedures and First-Class Relationships in the Entity Framework

A user of the EFExtensions library asked me how to retrieve a set of ‘categories’ and their related ‘products’ through a single stored procedure call. I made some changes to the sample application to illustrate this pattern, but I thought I should also spend some time explaining how it works. The full explanation takes a…

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EFExtensions update

The EFExtensions helper library has a few updates:   –          CreateCommand now respects the CommandTimeout property on ObjectContext. A user of the library reported this bug to me a while ago, and I’m finally getting around to fixing it. –          One tricky scenario involves multiple stored procedure result sets that need to be combined to…

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