问题描述

我这里有代码示例，我可以直接保存为 PDF 文件，但我想做的是向客户端显示第一个 pdf 文件，并允许用户保存它.我如何做到这一点?

I have code sample here, I can save as a PDF file directly but what I want to do is to show client first pdf file, and allow users to save it. How do I achieve this?

ReportDocument rpt = new ReportDocument();
rpt.Load(@"C:CrystalReport2.rpt");

rpt.SetDataSource(datatablesource);

ExportOptions rptExportOption;
DiskFileDestinationOptions rptFileDestOption = new DiskFileDestinationOptions();
PdfRtfWordFormatOptions rptFormatOption = new PdfRtfWordFormatOptions();
string reportFileName = @"C:SampleReport.pdf";
rptFileDestOption.DiskFileName = reportFileName;
rptExportOption = rpt.ExportOptions;
{
    rptExportOption.ExportDestinationType = ExportDestinationType.DiskFile;
    //if we want to generate the report as PDF, change the ExportFormatType as "ExportFormatType.PortableDocFormat"
    //if we want to generate the report as Excel, change the ExportFormatType as "ExportFormatType.Excel"
    rptExportOption.ExportFormatType = ExportFormatType.PortableDocFormat;
    rptExportOption.ExportDestinationOptions = rptFileDestOption;
    rptExportOption.ExportFormatOptions = rptFormatOption;
}

rpt.Export();

推荐答案

ExportOptions CrExportOptions ;
DiskFileDestinationOptions CrDiskFileDestinationOptions = new DiskFileDestinationOptions();
PdfRtfWordFormatOptions CrFormatTypeOptions = new PdfRtfWordFormatOptions();
CrDiskFileDestinationOptions.DiskFileName = "C:\SampleReport.pdf";
CrExportOptions = doc.ExportOptions;
{
    CrExportOptions.ExportDestinationType = ExportDestinationType.DiskFile;
    CrExportOptions.ExportFormatType = ExportFormatType.PortableDocFormat;
    CrExportOptions.DestinationOptions = CrDiskFileDestinationOptions;
    CrExportOptions.FormatOptions = CrFormatTypeOptions;
}
doc.Export();

这样的代码............

Code like this...........

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