Number of members in conceptual type does not match with number of members on object side type

Question

I\'m using .net framework 3.5 SP1.

After adding a column to one table in Sql Server (as well as changing an existing column from allowing nulls to not nullable), I c

Answer 1

• Right click on your edmx file and open with XML.
• Find the incorrect data types and change them.
• Save file.

This worked for me.