LINQ to SQL (Part 9 - Using a Custom LINQ Expression with the <asp:LinqDatasource> control)
Over the last few weeks I've been writing a series of blog posts that cover LINQ to SQL. LINQ to SQL is a built-in O/RM (object relational mapper) that ships in the .NET Framework 3.5 release, and which enables you to model relational databases using .NET classes. You can use LINQ expressions to query the database with them, as well as update/insert/delete data. Below are the first eight parts in this series: Part 1: Introduction to LINQ to SQL Part 2: Defining our Data Model Classes Part 3: Querying our Database Part 4: Updating our Database Part 5: Binding UI using the ASP:LinqDataSource Control Part 6: Retrieving Data Using Stored Procedures Part 7: Updating our Database using Stored Procedures Part 8: Executing Custom SQL Expressions In
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Read the complete post at http://weblogs.asp.net/scottgu/archive/2007/09/07/linq-to-sql-part-9-using-a-custom-linq-expression-with-the-lt-asp-linqdatasource-gt-control.aspx