private async void Submit1_ServerClick(object sender, EventArgs e)
    {
            string fn = Path.GetFileName(File1.PostedFile.FileName);
            string SaveLocation = Server.MapPath("Data") + "\" + fn;
            if (!File.Exists(SaveLocation))
            {
            File1.PostedFile.SaveAs(SaveLocation);
            await Task.Run(() => Program.Main());
            //IAsyncResult result = Task.Run(() =>caller.BeginInvoke(null, null));
           //caller.EndInvoke(result);
           Response.Write("The file has been uploaded and the Estimated Values should now be reflected in Rally.");
           }
           else
           {
           File.Delete(SaveLocation);
           File1.PostedFile.SaveAs(SaveLocation);
           await Task.Run(() => Program.Main());
           //IAsyncResult result = Task.Run(() => caller.BeginInvoke(null, null));
           //caller.EndInvoke(result);
           Response.Write("The file has been uploaded and the Estimated Values should now be reflected in Rally.");
           }
    }