Entity Framework 的多条件组合查询和 LIKE 查询（Combination search and simulate LIKE search with Entity Framework）

我用 Visual Studio 2010 Beta 1 和 Entity Framework 4.0 写了一个例子，用于测试多条件的组合查询和 LIKE 查询。这个例子也可用于 Visual Studio 2008 SP1 和 Entity Framework 3.5。甚至两个版本的 Visual Studio 和 Entity Framework 生成的 SQL 语句也是一样的。

I wrote an example with Visual Studio 2010 Beta 1 to test the combination search and simulate LIKE search with Entity Framework 4.0. The example can also work with Visual Studio 2008 SP1 and Entity Framework 3.5. Even the generated SQL statements are equal between two versions of Visual Studio and Entity Framework.

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