Controller does not execute StoredProcedure but View

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entity-framework

EF6.0

Hi Everyone,

I am creating a WebAPI using EntityFramework 6.0
For SELECTING I use a View and that data is shown in my webpage.
FOR INSERTING or UPDATING I want to use a StoredProcedure. In the EDMX I have set that up, matched all the parameters.
When I execute the Update of a datarow in the GridView I get an HTTP 500 error.
I am running a SQL Profiler on the database server and I see that the webAPI wants to do the UPDATE over the View. How can I get it to use the InsertUpdate function?