我必须下载一个上传的文件，我有以下代码，它有一些错误......任何人都可以提出正确的建议。 [英] I have to download an uploaded file and i have the following code,it has some errors...can anyone give a proper suggestion .

问题描述

这是我的代码。

  protected   void  gdvfile_RowCommand（ object  sender，GridViewCommandEventArgs e）
 {
 < span class =code-keyword> if （e.CommandName ==   Download）
 {
  var  a = e.CommandArgument.ToString（）; 
  string  filename = a; 
 Response.AppendHeader（  Content-Disposition，  attachment; filename = + filename）; 
  string  aaa = Server.MapPath（  〜/ Upload / + filename）; 
 Response.TransmitFile（Server.MapPath（ 〜/ Upload / + filename）） ; 
 Response.End（）; 
} 
} 

解决方案

这可以帮到你



http://stackoverflow.com/questions/6985587/storing-uploading-and-downloading-files-in-asp-net-and-sql-server-database [ ^ ]

This is my code.

protected void gdvfile_RowCommand(object sender, GridViewCommandEventArgs e)
        {
            if (e.CommandName == "Download")
            {
                var a = e.CommandArgument.ToString();
                string filename = a;
                Response.AppendHeader("Content-Disposition","attachment;filename=" + filename);
                string aaa = Server.MapPath("~/Upload/" + filename);
                Response.TransmitFile(Server.MapPath("~/Upload/" + filename));
                Response.End();
            }
        }

解决方案

This may help you

http://stackoverflow.com/questions/6985587/storing-uploading-and-downloading-files-in-asp-net-and-sql-server-database[^]

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