客户端文件上传

    HTML:
 <td>Input Net File: <input id="uploadnet" type="file" runat="server"></td>
Program Code:
private bool uploadfile()
  {
   try
   {
    string uploadFileNet,uploadFileXrf;   
   
    uploadFileNet=uploadnet.Value;
    int i=uploadFileNet.LastIndexOf("\\");
    string NetFileName=uploadFileNet.Substring(i+1);   
    pullpathNET=@"d:\temp\"+NetFileName;   
   
   
    uploadFileXrf=uploadxrf.Value;
    int j=uploadFileXrf.LastIndexOf("\\");
    string XrfFileName=uploadFileXrf.Substring(j+1);   
    pullpathXRF=@"d:\temp\"+XrfFileName;
   
    int extendNet,extentXrf;
    extendNet=NetFileName.LastIndexOf(".");
    extentXrf=XrfFileName.LastIndexOf(".");
    string strextendNet,strextentXrf;
    strextendNet=NetFileName.Substring(extendNet+1);
    strextentXrf=XrfFileName.Substring(extentXrf+1);
                if ((strextendNet.ToUpper()=="NET")&&(strextentXrf.ToUpper()=="XRF"))
    {
     uploadnet.PostedFile.SaveAs(pullpathNET);
     uploadxrf.PostedFile.SaveAs(pullpathXRF);
     return true;
    }
    else
    {
                    Response.Write("<script>Windows.alert('Îļþ¸ñʽ²»¶Ô');</script>");
     return false;
    }    
   }
            catch (Exception exc)
   {
                Response.Write(exc.Message);
    return false;
   }

  }
在Web.Config 里面加入：
    <httpRuntime
    maxRequestLength="1048576"
    executionTimeout="3600"
    />