CustomColumnDataEventArgs Class

Provides data for the ColumnView.CustomUnboundColumnData event.

Namespace: DevExpress.XtraGrid.Views.Base

Assembly: DevExpress.XtraGrid.v18.1.dll

Declaration

C#

public class CustomColumnDataEventArgs :
    EventArgs

VB.NET

Public Class CustomColumnDataEventArgs
    Inherits EventArgs

Related API Members

CustomColumnDataEventArgs is the data class for the following events:

• ColumnView.CustomUnboundColumnData

Remarks

The ColumnView.CustomUnboundColumnData event allows you to populate unbound columns with data from a custom data source and save the modified data in the unbound columns back to the data source.

The CustomColumnDataEventArgs.IsGetData and CustomColumnDataEventArgs.IsSetData properties can be used to determine whether the event handler should provide data for or save data from an unbound column. The unbound column currently being processed is determined by the CustomColumnDataEventArgs.Column property. To refer to the row that contains the cell being processed, use the CustomColumnDataEventArgs.ListSourceRowIndex property.

Related GitHub Examples

The following code snippets (auto-collected from DevExpress Examples) contain references to the CustomColumnDataEventArgs 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#

how-to-asynchronously-load-large-data-in-an-unbound-column-e4539/CS/WindowsApplication3/UnboundColumnHelper.cs#L30

void View_CustomUnboundColumnData(object sender, DevExpress.XtraGrid.Views.Base.CustomColumnDataEventArgs e) {
    if(e.Column.FieldName == _unboundColumn.FieldName)

how-to-load-data-in-an-unbound-column-asynchronously-e3140/CS/WindowsApplication3/Main.cs#L28

private void OnCustomUnboundColumnData(object sender, DevExpress.XtraGrid.Views.Base.CustomColumnDataEventArgs e)
{

how-to-display-external-images-in-grid-if-its-data-source-contains-links-to-the-images-e538/CS/Form1.cs#L228

private void gridView1_CustomUnboundColumnData(object sender, DevExpress.XtraGrid.Views.Base.CustomColumnDataEventArgs e) {
    if(e.Column.FieldName == "Image" && e.IsGetData) {

how-to-show-error-icons-for-cells-which-belong-to-an-unbound-column-gridcontrol-e1933/CS/Form1.cs#L65

private void gridView1_CustomUnboundColumnData(object sender, DevExpress.XtraGrid.Views.Base.CustomColumnDataEventArgs e)
{

how-to-create-and-populate-an-unbound-column-e3354/CS/WindowsApplication1/Form1.cs#L45

private void gridView1_CustomUnboundColumnData(object sender, DevExpress.XtraGrid.Views.Base.CustomColumnDataEventArgs e)
{

VB.NET

how-to-asynchronously-load-large-data-in-an-unbound-column-e4539/VB/WindowsApplication3/UnboundColumnHelper.vb#L29

Private Sub View_CustomUnboundColumnData(ByVal sender As Object, ByVal e As DevExpress.XtraGrid.Views.Base.CustomColumnDataEventArgs)
    If e.Column.FieldName = _unboundColumn.FieldName Then

how-to-load-data-in-an-unbound-column-asynchronously-e3140/VB/WindowsApplication3/Main.vb#L30

Private Sub OnCustomUnboundColumnData(ByVal sender As Object, ByVal e As DevExpress.XtraGrid.Views.Base.CustomColumnDataEventArgs) Handles gridView1.CustomUnboundColumnData
    If e.Column.FieldName = "Quantity" Then

how-to-display-external-images-in-grid-if-its-data-source-contains-links-to-the-images-e538/VB/Form1.vb#L210

Private Sub gridView1_CustomUnboundColumnData(ByVal sender As Object, ByVal e As DevExpress.XtraGrid.Views.Base.CustomColumnDataEventArgs) Handles gridView1.CustomUnboundColumnData
    If e.Column.FieldName = "Image" AndAlso e.IsGetData Then

how-to-show-error-icons-for-cells-which-belong-to-an-unbound-column-gridcontrol-e1933/VB/Form1.vb#L73

Private Sub gridView1_CustomUnboundColumnData(ByVal sender As Object, ByVal e As DevExpress.XtraGrid.Views.Base.CustomColumnDataEventArgs) Handles gridView1.CustomUnboundColumnData
    If e.IsGetData Then

how-to-create-and-populate-an-unbound-column-e3354/VB/Form1.vb#L43

Private Sub gridView1_CustomUnboundColumnData(ByVal sender As Object, ByVal e As DevExpress.XtraGrid.Views.Base.CustomColumnDataEventArgs) Handles gridView1.CustomUnboundColumnData
    If e.IsGetData Then

Inheritance

Object

EventArgs

CustomColumnDataEventArgs