June 20, 2012

Unable to update the EntitySet Error


Error:
Unable to update the EntitySet 'XYZ' because it has a DefiningQuery and no <DeleteFunction> element exists in the <ModificationFunctionMapping> element to support the current operation.


Solution:
Don't forget the PrimaryKey for your Table.
:-D, Yes, It's simple, just set the Primary Key in Database (and update your EF)

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