A simple dynamic data web site with everything App_Code are resolved. But will use tier architecture is not sufficient. Data access layer needs to be used in other projects. Therefore, the class library, I put Linq To Sql file metadata classes, but was ineffective. Researched solution for a few days. (Time loss) Linq To Sql file automatically when I reviewed the file name space designer.cs add noticed. I cleaned the added name space. Metadata has become active classes. Dynamism!
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