I have the program as below file folder. Before dbml namespace is OK. But later when I added tables and some stored procedures to the dbml file. The using "SAP.DataContect" cannot be compiled in user.cs due to error: "The type or namespace name 'DataContext' does not exist in the namespace 'SAP.SAP' (are you missing an assembly reference?) "
\Entities\User.cs // In which I have using SAP.DataContext which should refer to the dbml.
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