protected void Page_Load(object sender, EventArgs e)
        {
            string user_name = Session["USER_NAME"] as string;

            //string user_name = "stefan21";
            objDataHandling.user_name = user_name;

            string D         = Request.QueryString["D"];
            string d_year    = Request.QueryString["year"];
            string d_country = Request.QueryString["country"];

            if (D != null)
            {
                objDataHandling.setNodeAndFlowValues(input_node_data, input_flow_data, d_year, d_country);
            }

            if ((user_name == null || user_name == "") && D == null)
            {
                Response.Redirect("frmHome.aspx", false);
            }
            else
            {
                lblUser.Text = Session["USER_FULL_NAME"] as string;

                //lbl_hi_user.Text = user_name;
            }

            if (!Page.IsPostBack)
            {
                string job_id = Request.QueryString["job_id"];

                if (job_id != null)
                {
                    //ArrayList controllersID = new ArrayList();
                    //getControllersID(controllersID);
                    ArrayList controllers_data = objDataHandling.getData(job_id);
                    setControllersData(controllers_data);
                    btnSave.Text      = "Update Data";
                    btnSaveAs.Visible = true;
                }
            }
        }