Duplicate Rows when Data Binding with LINQ to Entities

Question

I have problems binding both a telerik RadGrid and a plain vanilla ASP.NET GridView to the results of the following LINQ to entities query. In both cases the grids contain

Answer 1

I faced the same problem and solved it with a workaround. I am posting it here as it might help others coming here.

instead of select dp , use

select new 
{
a = v.a
b = v.b
}.

This will not return duplicates.