Error: “The specified LINQ expression contains references to queries that are associated with different contexts”

Question

I am receiving the error shown in the title from a LINQ query that includes two tables from two different edmx files. Here is the query:

var query = (from a          


        

Answer 1

You either need to add the second table to the model of the first context. If this is in multiple databases, you need to do the secondary lookup client-side using a Linq to Objects join.