hi can any one solve this..

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ASP.NET

hi m getting error while uploading file to target folder in asp.net.. here is my code..

public string uploadFile(string fileName, string folderName)
  {

      if (fileName == "")
      {

          return "Invalid filename supplied";

      }

      if (fileUpload.PostedFile.ContentLength == 0)
      {

          return "Invalid file content";

      }

      fileName = System.IO.Path.GetFileName(fileName);

      if (folderName == "")
      {

          return "Path not found";

      }

      try
      {

          if (fileUpload.PostedFile.ContentLength <= 2048000)
          {

              fileUpload.PostedFile.SaveAs(Server.MapPath(folderName) + "\\" + fileName);

              return "File uploaded successfully";

          }

          else
          {

              return "Unable to upload,file exceeds maximum limit";

          }

      }

      catch (UnauthorizedAccessException ex)
      {

          return ex.Message + "Permission to upload file denied";

      }

  }

and here is my btnSave code.

protected void btnSave_Click(object sender, EventArgs e)
    {
        string strFilename, strMessage;

        strFilename = fileUpload.PostedFile.FileName.ToString();

        strMessage = uploadFile(strFilename, ConfigurationSettings.AppSettings["folderPath"]);

        lblMessage.Text = strMessage;

        //lblMessage.ForeColor = Color.Red;
    }

error is

fileUpload.PostedFile.SaveAs(Server.MapPath(folderName) + "\\" + fileName);

Could not find a part of the path 'C:\Users\admin\Documents\Visual Studio 2008\WebSites\pmsw(new)\Admin\10.3.2\Concrete_Basement_Wall.xls'. 

and i created one folder as 10.3.2.so i want to upload that file into this folder..can any one solve??