WebDocumentViewerClientSideEventsBuilder.BeforeRender(String) Method

Sets the name of the JavaScript function or the entire code that will handle the Web Document Viewer‘s BeforeRender client-side event.

Namespace: DevExpress.AspNetCore.Reporting.WebDocumentViewer

Assembly: DevExpress.AspNetCore.Reporting.v19.2.dll

NuGet Package: DevExpress.AspNetCore.Reporting

Declaration

C#

public WebDocumentViewerClientSideEventsBuilder BeforeRender(
    string callback
)

VB.NET

Public Function BeforeRender(
    callback As String
) As WebDocumentViewerClientSideEventsBuilder

Parameters

Name	Type	Description
callback	String	The name of a JavaScript function or the entire JavaScript function code used to handle the BeforeRender event.

Returns

Type	Description
WebDocumentViewerClientSideEventsBuilder	A WebDocumentViewerClientSideEventsBuilder that can be used to further configure the Document Viewer Client Side Events.

Remarks

The BeforeRender event enables you to customize the Web Document Viewer’s View Model before it is bound to an HTML element and/or Knockout is activated. When implementing a handling function, use the objects passed as parameters. The first parameter passes the event sender that is the ClientDocumentViewer object. The second one provides access to the current View Model of the Web Document Viewer.