The “X” property on “Y” could not be set to a 'null' value. You must set this property to a non-null value of type 'Int32'

Question

When I run my application and I click a specific button I get the error:

\"The \"X\" property on \"Y\" could not be set to a \'null\' value. You must set thi         


        

Answer 1

For me the following Steps corrected the Error:

1. Remove the 'X'-Property from the 'Y'-Table
2. Save EDMX
3. build Database from Model
4. compile
5. Add the 'X'-Property to 'Y'-Table again (with non-nullable and int16)
6. Save EDMX
7. build Database from Model
8. compile