This category groups all content related to the ADO.NET platform
There were a number of changes to the Entity Framework and the UI designer between Visual Studio 2008 SP1/ .NET Framework 3.5 Beta and the RTM that require updates to existing source code. These breaking changes are listed below, courtesy of the ADO.NET teamblog. These include the mitigation for adjusting to the new behavior, and a side by side comparison of Beta code and RTM code.