物理路径，但C＃中预计有虚拟路径

问题描述

我正在尝试从名为strjobID的文件夹下载恢复文件，并且文件名存储在网格视图的CommandArgument中，但在执行时我正在获取此例外



''D：/AdminApp/Jobportals/Utils/ApplicantFiles/27/directory.txt'' 是一个物理路径，但预计会有虚拟路径。



请为此建议一些解决方案

I am trying to download resume file from folder nameed as strjobID and file name is stored in CommandArgument of grid view , but while execution I am Getting this Exception

''D:/AdminApp/Jobportals/Utils/ApplicantFiles/27/directory.txt'' is a physical path, but a virtual path was expected.

Please suggest some solution for this

try
{
   Button Button1 = (Button)sender;

   string strFilename = ((Button)sender).CommandArgument;
   string strURL = Server.MapPath(@"" + "~/Utils/ApplicantFiles/" + strjobID + "/" + strFilename);
   WebClient req = new WebClient();
   HttpResponse response = HttpContext.Current.Response;
   response.Clear();
   response.ClearContent();
   response.ClearHeaders();
   response.Buffer = true;
   response.AddHeader("Content-Disposition", "attachment;filename=\"" + strURL + "\"");
   byte[] data = req.DownloadData(Server.MapPath(strURL));
   response.BinaryWrite(data);
   response.End();
}

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