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UnboundSource.ValueNeeded Event
Occurs when a value is requested from the UnboundSource.
Namespace: DevExpress.Data
Assembly: DevExpress.Data.v18.2.dll
Declaration
public event EventHandler<UnboundSourceValueNeededEventArgs> ValueNeeded
Public Event ValueNeeded As EventHandler(Of UnboundSourceValueNeededEventArgs)
Event Data
The ValueNeeded event's data class is UnboundSourceValueNeededEventArgs. The following properties provide information specific to this event:
Property | Description |
---|---|
PropertyIndex | |
PropertyName | Gets the name of the property whose value is requested. |
RowIndex | Gets the row index of the value. |
Tag | Gets an object that contains data associated with the value. |
Value | Specifies the value which is requested. |
The event data class exposes the following methods:
Method |
---|
SetValue<T>(T) |
Remarks
Handle this event to obtain data from your data source. An example is provided in the UnboundSource topic.
See Also
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