ASPxWebControl.IsCallback Property

Gets a value indicating whether the request is the result of a callback sent by the control.

Namespace: DevExpress.Web

Assembly: DevExpress.Web.v24.2.dll

Declaration

C#

public virtual bool IsCallback { get; }

VB.NET

Public Overridable ReadOnly Property IsCallback As Boolean

Property Value

Type	Description
Boolean	true if the request is the result of a callback sent by the control; otherwise, false.

Related GitHub Examples

The following code snippet (auto-collected from DevExpress Examples) contains a reference to the IsCallback property.

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#

web-forms-pivot-grid-obtain-underlying-data/CS/ASPxPivotGrid_DisplayUnderlyingRecords/Default.aspx.cs#L9

          rowIndexValue = RowIndex.Value;
if (ASPxGridView1.IsCallback &&
    !string.IsNullOrEmpty(columnIndexValue) && !string.IsNullOrEmpty(rowIndexValue))

VB.NET

web-forms-pivot-grid-obtain-underlying-data/VB/ASPxPivotGrid_DisplayUnderlyingRecords/Default.aspx.vb#L11

Dim columnIndexValue As String = ColumnIndex.Value, rowIndexValue As String = RowIndex.Value
If ASPxGridView1.IsCallback AndAlso Not String.IsNullOrEmpty(columnIndexValue) AndAlso Not String.IsNullOrEmpty(rowIndexValue) Then
    BindGridView(columnIndexValue, rowIndexValue)