Another useful feature is the ability to export a report document without the end user viewing it first and then clicking the Export button on the toolbar. To do this, you use the ExportOptions collection of the ReportDocument class to set properties on what you want to export and how it should be exported. The code in Listing 18.3 exports a report file to a PDF file and saves it to disk.
Private Sub button1_Click(sender As Object, e As System.EventArgs) ' The path/location where the exported file will be saved Dim exportFilePath As String = "c:\Report1.pdf" ' Create an instance of the untyped report object oRpt = New ReportDocument() ' Load the report from disk oRpt.Load(reportFile) ' Set the options for saving the exported file to disk oDest = New DiskFileDestinationOptions() oDest.DiskFileName = exportFilePath ' Set the exporting information oExport = oRpt.ExportOptions ' Set the destination options oExport.DestinationOptions = oDest ' Set the location, this can be: ' DiskFile, ExchangeFolder, MicrosoftMail or NoDestination oExport.ExportDestinationType = ExportDestinationType.DiskFile ' Set the Export type, this can be: ' PDF, Excel, Word Doc, RTF Doc, ' HTML 3.2, HTML 4.0 or CrystalReport oExport.ExportFormatType = ExportFormatType.PortableDocFormat ' Call the Export method to export the report oRpt.Export() MessageBox.Show("Report Exported!") End Sub
private void button1_Click(object sender, System.EventArgs e)
{
// The path/location where the exported file will be saved
string exportFilePath = "c:\\Report1.pdf";
// Create an instance of the untyped report object
oRpt = new ReportDocument();
// Load the report from disk
oRpt.Load(reportFile);
// Set the options for saving the exported file to disk
oDest = new DiskFileDestinationOptions();
oDest.DiskFileName = exportFilePath;
// Set the exporting information
oExport = oRpt.ExportOptions;
// Set the destination options
oExport.DestinationOptions = oDest;
// Set the location, this can be:
// DiskFile, ExchangeFolder, MicrosoftMail or NoDestination
oExport.ExportDestinationType = ExportDestinationType.DiskFile;
// Set the Export type, this can be:
// PDF, Excel, Word Doc, RTF Doc,
// HTML 3.2, HTML 4.0 or CrystalReport
oExport.ExportFormatType = ExportFormatType.PortableDocFormat;
// Call the Export method to export the report
oRpt.Export();
MessageBox.Show("Report Exported!");
}
}
In the commented code in Listing 18.3, you can see the various options for the ExportFormatType and the ExportDestinationType for the report. These are the same properties that you can set in the viewer control.