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Putting it out there…


Tag: Entity Framework

The Problem

In version 1 of Entity Framework, there is no “Undo changes” method you can call. So in order to rollback the changes we made, we have to be creative.

In my opinion, we have three ways to archieve this.

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The Error

Unable to update the EntitySet XXXXXX because it has a DefiningQuery and no element exists in the element to support the current operation.” is one of the errors you will eventually run into with the ADO.NET Entity Framework 1.0.

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