I know this is a common error but I have the correct reference to the System.Data.DataSetExtensions.dll added to the project and my project is a SQL CLR project built for .net 4.5 and I'm getting the error at the following line:
using System.Data.DataSetExtensions;
I also checked the properties for the dll and it is referencing the correct version for the 4.5 dll so what else could possibly be causing this issue? Is this an issue with SQL CLR projects?
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