Data binding directly to a store query (DbSet, DbQuery, DbSqlQuery) is not supported

Question

Am coding on visual studio 2012 and using Entity Model as my Data layer. However, my drop down control with the Linq statement tend to thro

Answer 1

The error is fairly clear - you can't bind directly to the query results, but need to populate some local collection instead.

The simplest way to do this is to convert it to a List, via ToList():

 ddlCon.DataSource = (from em in dw.Employees
                             select new { em.Title, em.EmployeeID }).ToList();