UnboundSource.ValueNeeded Event

Occurs when a value is requested from the UnboundSource.

Namespace: DevExpress.Data

Assembly: DevExpress.Data.v20.1.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.

Remarks

Handle this event to obtain data from your data source. An example is provided in the UnboundSource topic.

See Also