DxReportDesignerCallbacks.PreviewOnExport Property
Specifies the JavaScript function that handles the PreviewOnExport event, which occurs before a request for document export is sent.
Namespace: DevExpress.Blazor.Reporting
Assembly: DevExpress.Blazor.Reporting.v24.2.JSBasedControls.Common.dll
NuGet Package: DevExpress.Blazor.Reporting.JSBasedControls.Common
#Declaration
#Property Value
Type | Description |
---|---|
String | The name of a Java |
#Remarks
The PreviewOnExport event occurs before the Report Designer Preview sends a request to print the document or to get the exported document.
Note
In v23.form.
for export and print operations. The use of the Fetch API includes a unified method to pass request headers from a client to a back-end server. This eliminates the need to handle the Preview
event to process custom request headers for export and print operations.
The handler function receives two parameters - the first parameter is the client-side Preview object, the second parameter is the object with the following properties:
- RequestUrl
- A string that specifies the request URL.
- FormData
- A set of key-value pairs.
Refer to the following topic for an example of use (an Angular client and ASP.NET Core server-side application): ReportDesignerPreviewClientSideEventsBuilder.OnExport.