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LinqDataSourceView.ValidateDeleteSupported Method

Validates that the conditions exist to perform a delete operation.

Namespace:  System.Web.UI.WebControls
Assembly:  System.Web.Extensions (in System.Web.Extensions.dll)

protected virtual void ValidateDeleteSupported(
	IDictionary keys,
	IDictionary oldValues
)

Parameters

keys
Type: System.Collections.IDictionary

A dictionary of key values for the data records to delete.

oldValues
Type: System.Collections.IDictionary

A dictionary that contains row values to delete.

ExceptionCondition
InvalidOperationException

The GroupBy or SelectNew property contains a value.

NotSupportedException

CanDelete is false.

You cannot delete data when the GroupBy property or the SelectNew property contains a value other than null. For more information, see the LinqDataSource.EnableDelete property.

.NET Framework

Supported in: 4.6, 4.5, 4, 3.5
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