online food ordering system project

using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

using System.Web.UI;

using System.Web.UI.WebControls;

public partial class Member_Payment : System.Web.UI.Page

{

    DS_PAYMENT.PAYMENTMST_SELECTDataTable PtDT = new DS_PAYMENT.PAYMENTMST_SELECTDataTable();

    DS_PAYMENTTableAdapters.PAYMENTMST_SELECTTableAdapter PtAdapter = new DS_PAYMENTTableAdapters.PAYMENTMST_SELECTTableAdapter();

    DS_ORDER.ORDERMST_SELECTDataTable ODT = new DS_ORDER.ORDERMST_SELECTDataTable();

    DS_ORDERTableAdapters.ORDERMST_SELECTTableAdapter OAdapter = new DS_ORDERTableAdapters.ORDERMST_SELECTTableAdapter();

    protected void Page_Load(object sender, EventArgs e)

    {

        ODT = OAdapter.SELECT_AMT(Session["email"].ToString()); 

        lblamt.Text = ODT.Rows[0]["tprice"].ToString();

    }

    protected void rdoonine_CheckedChanged(object sender, EventArgs e)

    {

        MultiView1.ActiveViewIndex = 0;

    }

    protected void rdooffline_CheckedChanged(object sender, EventArgs e)

    {

        ODT = OAdapter.SELECT_AMT(Session["email"].ToString());

        lblamtt.Text = ODT.Rows[0]["tprice"].ToString();

    

        MultiView1.ActiveViewIndex = 1;

    }

    protected void btnpayonline_Click(object sender, EventArgs e)

    {

        PtAdapter.Insert(Session["email"].ToString(), "Online", drpbankname.SelectedItem.Text, txtcard.Text, Convert.ToInt32(txtcvv.Text), Convert.ToDouble(lblamt.Text));

        OAdapter.ORDERMST_UPDATE_STATUS_BY_EMAIL(Session["email"].ToString(), 1);

        

        Response.Redirect("Thanks.aspx");

    }

    protected void btnpayoffline_Click(object sender, EventArgs e)

    {

        

       // lblamtt.Text = lblamt.Text;

        PtAdapter.Insert(Session["email"].ToString(), "Offline", "-", "-", 0, Convert.ToDouble(lblamt.Text));

        OAdapter.ORDERMST_UPDATE_STATUS_BY_EMAIL(Session["email"].ToString(), 1);

        Response.Redirect("Thanks.aspx");

    }

}