Part 20 Table Per Type TPT inheritance in entity framework

Posted by Vivek.Ramapuram under ASP.NET MVC category on | Points: 350 | Views : 1004
Part 20 Table Per Type TPT inheritance in entity framework



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Comments or Responses

Posted by: Devbassem on: 7/12/2016
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.

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