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

            //user_name = "stefan21";
            objDataHandling.user_name = user_name;
            if (user_name == null || user_name == "")
            {
                Response.Redirect("frmHome.aspx", false);
            }
            else
            {
                lblUser.Text = Session["USER_FULL_NAME"] as string;
                //lbl_hi_user.Text = user_name;
            }

            objDataHandling.showData(grdSankeyHistory);
        }