A lot of developers don't want to learn LINQ To SQL as it is going to be obsolete due to the fact that Microsoft is making a significant investments in the Entity Framework such that as of .NET 4.0 the Entity Framework will be our recommended data access solution for LINQ to relational scenarios. But if to look what is the percentage of applications current days that use LINQ To SQL and compare it to the number of applications that use EF, you will find that LINQ To SQL wins that battle and that's because there's a lot of small projects for which LINQ To SQL was the better or the only solution. Therefore, any thriving developer should really understand LINQ To SQL as well in order to support existing projects and know when to use LINQ To SQL rather than EF. In my previous post I mentioned a blog and a whitepaper describing LINQ To SQL, but I know that there's a large number of developers that prefer watching web casts or videos, which usually explain a topic using more detailed examples. So here is a series of videos on LINQ To SQL made by Mike Taulty and I hope you will enjoy watching them and they will make you better prepared to the 70-561 exam and your job as a .NET Developer.
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