private void cmdUpload_Click(object sender, System.EventArgs e)

{

       if (( File1.PostedFile != null) && (File1.PostedFile.ContentLength > 0))

       {

              //determine file name

              string sFileName = System.IO.Path.GetFileName(File1.PostedFile.FileName);

              try

              {

                     if (File1.PostedFile.ContentLength <= lMaxFileSize)

                     {

                           //Save File on disk

                           File1.PostedFile.SaveAs(sFileDir + sFileName);

                           lblMessage.Visible=true;

                           lblMessage.Text="File: " + sFileDir + sFileName + " Uploaded Successfully";

                     }

                     else //reject file

                     {

                           lblMessage.Visible=true;

                           lblMessage.Text="File Size if Over the Limit of " + lMaxFileSize ;

                     }

              }

              catch(Exception)//in case of an error

              {

                     lblMessage.Visible = true;

                     lblMessage.Text="An Error Occured. Please Try Again!";

                     DeleteFile(sFileDir + sFileName);

              }

       }

}