UnboundSourceValueNeededEventArgs Class

Arguments, passed to the UnboundSource.ValueNeeded event.

Namespace: DevExpress.Data

Assembly: DevExpress.Data.v18.1.dll

Declaration

C#

public abstract class UnboundSourceValueNeededEventArgs :
    EventArgs

VB.NET

Public MustInherit Class UnboundSourceValueNeededEventArgs
    Inherits EventArgs

Related API Members

UnboundSourceValueNeededEventArgs is the data class for the following events:

Library	Related API Members
Cross-Platform Class Library	UnboundSource.ValueNeeded
WPF Controls	UnboundDataSource.ValueNeeded

Related GitHub Examples

The following code snippets (auto-collected from DevExpress Examples) contain references to the UnboundSourceValueNeededEventArgs class.

Note

The algorithm used to collect these code examples remains a work in progress. Accordingly, the links and snippets below may produce inaccurate results. If you encounter an issue with code examples below, please use the feedback form on this page to report the issue.

C#

XDL_how-to-utilize-the-unboundsource-component-in-code-t474976/CS/UnboundDS-Code/Form1.cs#L40

void unboundDS_ValueNeeded(object sender, UnboundSourceValueNeededEventArgs e) {
    if(this.Differences.Count > 0) {

how-to-populate-gridcontrol-using-unbounddatasource-unboundsource-t415746/CS/UnboundSource/MainWindow.xaml.cs#L30

private void UnboundDataSource_ValueNeeded(object sender, DevExpress.Data.UnboundSourceValueNeededEventArgs e) {
    var ind = e.RowIndex;

VB.NET

XDL_how-to-utilize-the-unboundsource-component-in-code-t474976/VB/UnboundDS-Code/Form1.vb#L41

Private Sub unboundDS_ValueNeeded(ByVal sender As Object, ByVal e As UnboundSourceValueNeededEventArgs)
    If Me.Differences.Count > 0 Then

how-to-populate-gridcontrol-using-unbounddatasource-unboundsource-t415746/VB/UnboundSource/MainWindow.xaml.vb#L31

Private Sub UnboundDataSource_ValueNeeded(ByVal sender As Object, ByVal e As DevExpress.Data.UnboundSourceValueNeededEventArgs)
    Dim ind = e.RowIndex

Inheritance

Object

EventArgs

UnboundSourceValueNeededEventArgs