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

In my case in created view in DB column that I select that contains null value I change that value by this select statement:

Before my change

 select 
     ..., GroupUuId , ..

after my change

 select 
     ..., ISNULL(GroupUuId, 0), ... 

Sorry for my bad English