DataTable - Failed to enable constraints. One or more rows contain values violating non-null, unique, or foreign-key constraints
2014-05-05 18:01
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solution1.Tick the primary key
1.right click on the Id of the entity in dataset schema.
2.Edit Key
3.Tick the Primary Key
1.right click on the Id of the entity in dataset schema.
2.Edit Key
3.Tick the Primary Key
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