UnboundDataSource.ValueNeeded Event
Occurs before a value is pulled from the data source.
Namespace: DevExpress.Xpf.Core.DataSources
Assembly: DevExpress.Xpf.Core.v21.2.dll
NuGet Package: DevExpress.Wpf.Core
Declaration
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 the ValueNeeded event to pull a value from the data source.
See Also