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I'm using C#, EF 4 in asp.net 4 and VS 2010.
I'm trying to load namespace System.Data.Linq with this code using System.Data.Linq and I receive this error:
Error 2 The type or namespace name 'Linq' does not exist in the namespace 'System.Data' (are you missing an assembly reference?)
Any idea what I'm doing wrong.
690
Right click your solution/project. Click Add Reference and search for System. Data. Linq and add the reference there and it should compile.
The DataContext is the source of all entities mapped over a database connection. It tracks changes that you made to all retrieved entities and maintains an "identity cache" that guarantees that entities retrieved more than one time are represented by using the same object instance.
LINQ to SQL is a component of . NET Framework version 3.5 that provides a run-time infrastructure for managing relational data as objects. Relational data appears as a collection of two-dimensional tables (relations or flat files), where common columns relate tables to each other.
Right click your solution/project. Click Add Reference and search for System.Data.Linq and add the reference there and it should compile.
74
Just to confirm that Adding the reference to the project didn't work for me because it was already selected.
However, selecting "Copy Local, True" in the Properties pane for the reference made it start working.
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