新人询问XML方面问题,求大家支持

C#.NET开发     想将报表中的数值保存在EXCEL表里      
   
  private   void   btnExportExcel_Click(object   sender,   System.Web.UI.ImageClickEventArgs   e)  
  {  
   
  CrystalDecisions.CrystalReports.Engine.ReportDocument   Rdoc   =   new   CrystalDecisions.CrystalReports.Engine.ReportDocument();  
  Rdoc   =   createRoc("button",   Rdoc);  
  CrystalDecisions.Shared.DiskFileDestinationOptions   DiskOpts=new   CrystalDecisions.Shared.DiskFileDestinationOptions();  
  System.Random   ram   =   new   Random();  
  string   filename=string.Empty;  
  string   filepath="C:\\Documents   and   Settings\\Administrator.DLSHAPSMES\\Desktop";  
                 
                 
   
             
   
  Rdoc.ExportOptions.ExportDestinationType   =   CrystalDecisions.Shared.ExportDestinationType.DiskFile;  
   
  Rdoc.ExportOptions.ExportFormatType   =   CrystalDecisions.Shared.ExportFormatType.Excel;  
   
  filename   =   filename   +   System.Convert.ToString(ram.Next(1,   1000))+   "_"   +   System.Convert.ToString(ram.Next(1,   1000))   +   "_"   +   System.Convert.ToString(ram.Next(1,   1000))   +   ".xls";  
   
  DiskOpts.DiskFileName   =   filepath   +   filename;  
   
   
  Rdoc.ExportOptions.DestinationOptions   =   DiskOpts;  
   
  Rdoc.Export();  
   
  OpenExcel(filepath,   filename);  
     
  }  
   
   
   
   
   
  点保存以后         就出现一下提示            
   
   
   
   
  Server   Error   in   '/UnitReport'   Application.  
  --------------------------------------------------------------------------------  
   
  Runtime   Error    
  Description:   An   application   error   occurred   on   the   server.   The   current   custom   error   settings   for   this   application   prevent   the   details   of   the   application   error   from   being   viewed   remotely   (for   security   reasons).   It   could,   however,   be   viewed   by   browsers   running   on   the   local   server   machine.    

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