Thanks for this video, I want to know if you can assist me to fix an error that shown after I followed your steps ?
I'm using it within MVC
My Tables Like
- Activity : ActivityID (pk), Subject .. etc
- ActivityEvent : ActivityID (fk), Location, StartDate, EndDate
- ActivityTask : ActivityID (fk), DueDate
Error Message on save :
Unable to update the EntitySet 'ActivityEvent' because it has a DefiningQuery and no <InsertFunction> element exists in the <ModificationFunctionMapping> element to support the current operation.