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DefiningQuery and no <DeleteFunction> element exists in the <ModificationFunctionMapping> element to support the current operation

Tags:

c#

linq-to-sql

entity

Unable to update the EntitySet 'InstanceObjectName' because it has a DefiningQuery and no element exists in the element to support the current operation

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user1122360 Avatar asked Dec 30 '11 05:12

user1122360

1 Answers

Make sure that your table has a primarykey!

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tiru Avatar answered Oct 23 '22 09:10

tiru
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