ReportDataSourceHelperBase.BeforeShowPreview Event

Occurs when the ReportDataSourceHelper.SetupBeforePrint method is executed.

Namespace: DevExpress.ExpressApp.ReportsV2.Services

Assembly: DevExpress.ExpressApp.ReportsV2.v23.2.dll

NuGet Package: DevExpress.ExpressApp.ReportsV2

Declaration

C#

public event EventHandler<BeforeShowPreviewEventArgs> BeforeShowPreview

VB.NET

Public Event BeforeShowPreview As EventHandler(Of BeforeShowPreviewEventArgs)

Event Data

The BeforeShowPreview event's data class is DevExpress.ExpressApp.ReportsV2.BeforeShowPreviewEventArgs.

Remarks

Handle this event to modify the report content before it is displayed. For instance, you can merge two reports immediately before they are displayed. An example is provided in the How to: Merge the Pages of Two Reports topic.