.net - type error in EF 4.1 -

I have created a unit and it has a type int int when I run the project and use this unit I get the following error:

The 'id' property on 'product' can not be set to 'int64' value. You need to set this property in non-null value of type 'Int32'.

How can I fix this?

Edit:

I am using SQL Server and Entity Framework 4.1. I get an error in the administrator's action:

  public functioning test (long id) {return view (repository. Getobliger (id)); }     
  You have mentioned that you enter  int  but If you are going through the  long  id, try converting it to  int  or change the id  long  in the unit.   

 


  







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