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GridViewDataControlAddingNewDataItem Event
Occurs before a new data item is added. This event enables providing custom logic when inserting a new item in a data source.

Namespace: Telerik.Windows.Controls.GridView
Assembly: Telerik.Windows.Controls.GridView (in Telerik.Windows.Controls.GridView.dll) Version: 2017.3.1018.40 (2017.3.1018.40)
Syntax
public event EventHandler<GridViewAddingNewEventArgs> AddingNewDataItem

Value

Type: SystemEventHandlerGridViewAddingNewEventArgs
See Also