DxReportViewer.OnReportOpened Event

Occurs when a report is opened in the Report Viewer.

Namespace: DevExpress.Blazor.Reporting

Assembly: DevExpress.Blazor.Reporting.v25.2.Viewer.dll

NuGet Package: DevExpress.Blazor.Reporting.Viewer

Declaration

C#

[Parameter]
public EventCallback<ReportOpenedEventArgs> OnReportOpened { get; set; }

VB.NET

<Parameter>
Public Property OnReportOpened As EventCallback(Of ReportOpenedEventArgs)

Parameters

Type	Description
ReportOpenedEventArgs	The event data.

Remarks

This event is raised after the report is loaded. Handle it to adjust viewer behavior.

Example

You can handle the OnReportOpened event to change the active tab panel.

The following code snippet activates the Parameter Panel when a report is opened (the report’s RequestParameters property is set to false):

@using DevExpress.Blazor.Reporting
@using DevExpress.Blazor.Reporting.Models
@using DevExpress.XtraReports.UI
@using DxBlazorApplication.PredefinedReports

<DxReportViewer @ref="reportViewer" Report="Report" OnReportOpened="OnReportOpened" />

@code {
    DxReportViewer reportViewer;
    XtraReport Report = new TestReport();

    private void OnReportOpened(ReportOpenedEventArgs args) {
        reportViewer.TabPanelModel.ActivateTab(TabId.Parameters);
    }
}