protected void Page_Load(object sender, EventArgs e)
    {
        try
        {
            if (!IsPostBack)
            {
                if (Session["UserName"] == null)
                {
                    Response.Redirect("FrmLogin.aspx");
                }
                BD.BindRDHeading(ddlheading1);
                BD.BindFDHeading(ddlHeading);
                if (ddlSelection.SelectedValue == "0")
                {
                    div_Receipt.Visible = true;
                    Div_RDGrd.Visible   = true;
                    div_FD.Visible      = false;
                    Div_FDGrd.Visible   = false;
                    bindgrid();
                    ddlheading1.Focus();
                }
                else
                {
                    div_Receipt.Visible = false;
                    Div_RDGrd.Visible   = false;
                    div_FD.Visible      = true;
                    Div_FDGrd.Visible   = true;

                    bindgrid();
                    ddlHeading.Focus();
                }
            }
        }
        catch (Exception ex)
        {
            ExceptionLogging.SendErrorToText(ex);
        }
    }