protected void btnSubmit_Click(object sender, EventArgs e)
    {
        ATTCurrency currencyObj = new ATTCurrency
                                  (
            0,
            this.txtCurrencyName_Rqd.Text,
            ((ATTUserLogin)Session["Login_User_Detail"]).UserName,
            DateTime.Now
                                  );

        ObjectValidation OV = BLLCurrency.Validate(currencyObj);

        if (OV.IsValid == false)
        {
            this.lblStatus.Text = OV.ErrorMessage;
            return;
        }

        List <ATTCurrency> lstCurr = (List <ATTCurrency>)Session["Currency_CurrencyList"];
        ATTUserLogin       user    = ((ATTUserLogin)Session["Login_User_Detail"]);

        try
        {
            if (this.lstCurrency.SelectedIndex < 0)
            {
                if (user.MenuList["4,6,1"] == null || user.MenuList["4,6,1"].PAdd == "N")
                {
                    this.lblStatus.Text = Utilities.PreviledgeMsg + " add Currency.";
                    return;
                }
                Previlege pobj = new Previlege(user.UserName, "4,6,1", int.Parse(((HiddenField)this.Master.FindControl("hdnApplicationID")).Value), Previlege.PrevilegeType.P_ADD);
                BLLCurrency.AddCurrency(currencyObj, pobj);
                lstCurr.Add(currencyObj);
            }
            else
            {
                if (user.MenuList["4,6,1"] == null || user.MenuList["4,6,1"].PEdit == "N")
                {
                    this.lblStatus.Text = Utilities.PreviledgeMsg + " update Currency.";
                    return;
                }
                Previlege pobj = new Previlege(user.UserName, "4,6,1", int.Parse(((HiddenField)this.Master.FindControl("hdnApplicationID")).Value), Previlege.PrevilegeType.P_EDIT);

                currencyObj.CurrencyID = int.Parse(this.lstCurrency.SelectedValue);
                BLLCurrency.EditCurrency(currencyObj, pobj);
                lstCurr[this.lstCurrency.SelectedIndex] = currencyObj;
            }


            this.lstCurrency.DataSource     = lstCurr;
            this.lstCurrency.DataTextField  = "CurrencyName";
            this.lstCurrency.DataValueField = "CurrencyID";

            this.lstCurrency.DataBind();

            this.ClearCurrencyControl();
        }
        catch (Exception ex)
        {
            this.lblStatus.Text = ex.Message;
        }
    }