LinqDataSourceView.ValidateUpdateSupported Method
Definition
Important
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Validates that the conditions exist to perform an update operation.
protected:
virtual void ValidateUpdateSupported(System::Collections::IDictionary ^ keys, System::Collections::IDictionary ^ values, System::Collections::IDictionary ^ oldValues);protected virtual void ValidateUpdateSupported (System.Collections.IDictionary keys, System.Collections.IDictionary values, System.Collections.IDictionary oldValues);abstract member ValidateUpdateSupported : System.Collections.IDictionary * System.Collections.IDictionary * System.Collections.IDictionary -> unit
override this.ValidateUpdateSupported : System.Collections.IDictionary * System.Collections.IDictionary * System.Collections.IDictionary -> unitProtected Overridable Sub ValidateUpdateSupported (keys As IDictionary, values As IDictionary, oldValues As IDictionary)Parameters
- keys
- IDictionary
A dictionary of key values for the data records to update.
- values
- IDictionary
A dictionary that contains new row values for the update operation.
- oldValues
- IDictionary
A dictionary that contains the old row values for the update operation.
Exceptions
The update operation is not supported.
Remarks
You cannot update data when the GroupBy property or the SelectNew property contains a value other than null. For more information, see the LinqDataSource.EnableUpdate property.
Applies to
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