Given this and your other posts it is clear that you do not understand the fundamentals. Go through a few beginning level Entity Framework tutorials to learn the basics. Learning the basics is a much better approach than assuming how the framework functions.
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Re: SQL error when trying to save a record.
Nov 15, 2020 12:31 PM|mgebhard|LINK
The error is very clear.
Given this and your other posts it is clear that you do not understand the fundamentals. Go through a few beginning level Entity Framework tutorials to learn the basics. Learning the basics is a much better approach than assuming how the framework functions.