RestoreReportDocumentFromCacheEventArgs.RestoreDocumentFromFile(String) Method
Loads a report document from the specified file.
Namespace: DevExpress.XtraReports.Web
Assembly: DevExpress.XtraReports.v24.1.Web.WebForms.dll
NuGet Package: DevExpress.Web.Reporting
Declaration
Parameters
Name | Type | Description |
---|---|---|
fileName | String | A String value specifying the PRNX file, from which the document should be loaded. |
Remarks
The RestoreDocumentFromFile method is intended to implement caching of a web report.
To accomplish this task, you need to handle the ReportViewer.CacheReportDocument event, and if a report document is already generated, save it to a public location via the CacheReportDocumentEventArgs.SaveDocumentToFile method. Then, you need to handle the ReportViewer.RestoreReportDocumentFromCache event, and if the document is already stored in cache, restore it via the RestoreDocumentFromFile method.