protected void Btn_Staad_Down_Click(object sender, EventArgs e)
        {
            string path = STAADAnalysisModel.GetPath(finalFrame.Name);

            //File.Copy(path)
            //string absolutePath = Server.MapPath(path);
            Response.ContentType = "Application/std";
            Response.AppendHeader("content-disposition",
                                  "attachment; filename=" + path);
            Response.TransmitFile(path);
            Response.End();
        }
        protected void Btn_StaadAnalyze_Click(object sender, EventArgs e)
        {
            if (finalFrame is HndzFrameSingleBay3D)
            {
                HndzFrameSingleBay3D frameS = finalFrame as HndzFrameSingleBay3D;
                STAADAnalysisModel.GenerateClearSpanFrame(frameS, finalFrame.Name);
                Btn_Staad_Down.Visible = true;
            }
            else
            {
                //TODO
                Btn_StaadAnalyze.Enabled = false;
            }

            //TODO: Use STAAD Analysis
            //TODO: Save the model path and keep it in cookies
            // rebind grid view to new analysis results
            //HndzFrameSingleBay3D frame = finalFrame as HndzFrameSingleBay3D;
            //Grd_DesignSummary.DataSource = frame.Frames2D;
            //Grd_DesignSummary.DataBind();
        }