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RestoreReportDocumentFromCacheEventArgs.RestoreDocumentFromFile(String) Method

Loads a report document from the specified file.

Namespace: DevExpress.XtraReports.Web

Assembly: DevExpress.XtraReports.v19.2.Web.WebForms.dll

Declaration

public void RestoreDocumentFromFile(
    string fileName
)
Public Sub RestoreDocumentFromFile(
    fileName As String
)

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.

See Also