私はプロジェクトを開き、そのフレームワークを 4.5 から 4.0 に変更しました (愚かな会社の制限のため)。
There was a mismatch between the processor architecture of the project being built
"MSIL" and the processor architecture of the reference "My.DataAccessLayer.DimensionDB",
"x86". This mismatch may cause runtime failures. Please consider changing the targeted
processor architecture of your project through the Configuration Manager so as to align
the processor architectures between your project and references, or take a dependency on
references with a processor architecture that matches the targeted processor architecture of your project.
これは警告です。とにかく実行すると、次のエラーが表示されます：-
The type or namespace name 'Membership' does not exist in the namespace 'Microsoft.AspNet' (are you missing an assembly reference?)
The type or namespace name 'Membership' does not exist in the namespace 'Microsoft.AspNet' (are you missing an assembly reference?)
等
どんな援助でも大歓迎です。
ありがとう