[水晶报表]导出各种报表到指定目录

 今天要写一ECN项目的时候需要用到导出的功能：

在网络上找了一些资料。结合自己的情况修改调试一下了 先看看效果吧

写到页面上了。再看看是否写到指定目录了？

OK 成功了 一下是代码

----------------------------------------------------------以下为报表加载  

.....
string reportPath = Server.MapPath("..//Reports//project.rpt");
        //doc.Load(@"C:/test/1.rpt");
        doc.Load(reportPath);
        doc.SetDataSource(ds.Tables[0]);
        CrystalReportViewer1.ReportSource = doc;
        CrystalReportViewer1.DataBind();

----------------------------------------------------------实现生成指定格式的文件到指定目录

string filetype = "";
        filetype = ddl_FileFormat.SelectedValue;
        string contenttype = "";
        //string myfilename = Request.MapPath(".//") + Session.SessionID + "." + filetype;//目录地址 注意反义字符
        string myfilename = "C://test//" + Session.SessionID  +"." + filetype;
        CrystalDecisions.Shared.DiskFileDestinationOptions mydiskoptions = new CrystalDecisions.Shared.DiskFileDestinationOptions();
        mydiskoptions.DiskFileName = myfilename;
        CrystalDecisions.Shared.ExportOptions myExportOptions = new ExportOptions();//oCR.ExportOptions; 
        myExportOptions.DestinationOptions = mydiskoptions;
        myExportOptions.ExportDestinationType = CrystalDecisions.Shared.ExportDestinationType.DiskFile;
        switch (ddl_FileFormat.SelectedItem.Value) //类别
        {
            case "pdf":
                contenttype = "application/pdf";
                myExportOptions.ExportFormatType = CrystalDecisions.Shared.ExportFormatType.PortableDocFormat;
                break;
            case "doc":
                contenttype = "application/msword";
                myExportOptions.ExportFormatType = CrystalDecisions.Shared.ExportFormatType.WordForWindows;
                break;
            case "XLS":
                contenttype = "application/vnd.ms-excel";
                myExportOptions.ExportFormatType = CrystalDecisions.Shared.ExportFormatType.Excel;
                break;
            case "RTF":
                contenttype = "application/rtf";
                myExportOptions.ExportFormatType = CrystalDecisions.Shared.ExportFormatType.RichText;
                break;
                
        }
        doc.Export(myExportOptions); //输出报表 到服务器端的制定路径 
        Response.ClearContent();     //清空页面 
        Response.ClearHeaders();
        Response.ContentType = contenttype;
        Response.WriteFile(myfilename);//直接写入页面,页面平铺 可实现在线阅读功能
        Response.Flush();
        Response.Close();