EF code first: Cannot insert explicit value for identity column in table '' when IDENTITY_INSERT is set to OFF

Question

I have issue with EF code first

when I am trying to insert new record into table I recieve message.

Cannot insert explicit value for identity column          


        

Answer 1

You don't need to change mapping code, instead you should change this line:

lngRequestLineID = 1001233

to this:

lngRequestLineID = 0

In my expirence decorating de Id entity's property with [KeyAttribute] is enought.