PreviewReportCustomizationService.CreateCachedReportSource(XtraReport) Method

Enables you to assign a CachedReportSourceWeb object to the current report when the Report Designer is about to be switched to the Preview tab.

Namespace: DevExpress.XtraReports.Web.ReportDesigner.Services

Assembly: DevExpress.XtraReports.v24.1.Web.dll

NuGet Package: DevExpress.Web.Reporting.Common

Declaration

C#

public virtual CachedReportSourceWeb CreateCachedReportSource(
    XtraReport report
)

VB.NET

Public Overridable Function CreateCachedReportSource(
    report As XtraReport
) As CachedReportSourceWeb

Parameters

Name	Type	Description
report	XtraReport	The current report to be previewed.

Returns

Type	Description
CachedReportSourceWeb	A CachedReportSourceWeb object.

Remarks

The CreateCachedReportSource method is called after the CustomizeReport method and allows you to assign a CachedReportSourceWeb object to the customized report.

The following example demonstrates how to change the report’s orientation and assign a new CachedReportSourceWeb instance.

C#

using DevExpress.XtraReports.UI;
using DevExpress.XtraReports.Web;
using DevExpress.XtraReports.Web.ReportDesigner.Services;

public class MyPreviewReportCustomizationService: PreviewReportCustomizationService {
    public override void CustomizeReport(XtraReport report) {
        report.Landscape = true;
    }

    public override CachedReportSourceWeb CreateCachedReportSource(XtraReport report) {
        return new CachedReportSourceWeb(report);
    }
}

VB.NET

Imports DevExpress.XtraReports.UI
Imports DevExpress.XtraReports.Web
Imports DevExpress.XtraReports.Web.ReportDesigner.Services

Public Class MyPreviewReportCustomizationService
    Inherits PreviewReportCustomizationService

    Public Overrides Sub CustomizeReport(ByVal report As XtraReport)
        report.Landscape = True
    End Sub

    Public Overrides Function CreateCachedReportSource(ByVal report As XtraReport) As CachedReportSourceWeb
        Return New CachedReportSourceWeb(report)
    End Function
End Class

Then, register your custom service implementation at the application’s startup.

ASP.NET Web Forms and ASP.NET MVC

C#

using DevExpress.XtraReports.Web.ReportDesigner;
using DevExpress.XtraReports.Web.ReportDesigner.Services;

void Application_Start(object sender, EventArgs e) {
    DefaultReportDesignerContainer.Register<PreviewReportCustomizationService, MyPreviewReportCustomizationService>();
}

VB.NET

Imports DevExpress.XtraReports.Web.ReportDesigner
Imports DevExpress.XtraReports.Web.ReportDesigner.Services

Private Sub Application_Start(ByVal sender As Object, ByVal e As EventArgs)
    DefaultReportDesignerContainer.Register(Of PreviewReportCustomizationService, MyPreviewReportCustomizationService)()
End Sub

ASP.NET Core

C#

using DevExpress.XtraReports.Web.ReportDesigner.Services;

var builder = WebApplication.CreateBuilder(args);

builder.Services.AddSingleton<PreviewReportCustomizationService, MyPreviewReportCustomizationService>();

var app = builder.Build();