protected void Button1_Click(object sender, EventArgs e)
        {
            order_cust_keeper ok = new order_cust_keeper();
            cylinder_dealer_keeper ck = new cylinder_dealer_keeper();
            customer_keeper cust = new customer_keeper();
            customer_class cc = cust.GetData(int.Parse(Session["user_id"].ToString()));
            

            
            cc._booking_count++;
            if (cc._subsidy_count > 0)
            {
                cc._subsidy_count--;
            }

            int cylinder_id = ck.assign(cc._dealer_id );

            int id = ok.get_id(); 
            ok.insert(id, int.Parse(Session["user_id"].ToString()), cylinder_id);
            TextBox7.Text = cylinder_id.ToString ();
            TextBox4.Text = id.ToString() ;

            

            cust.update(cc);
  
 
        }
 protected void Button2_Click(object sender, EventArgs e)
 {
     customer_keeper ck = new customer_keeper();
     string pass = TextBox4.Text;
     
     customer_class cc = (customer_class)Session["cc"];
     cc._pass = pass;
     ck.update(cc);
     Label5.Text = "Customer Registered!"; 
 }
        protected void Button1_Click(object sender, EventArgs e)
        {
            customer_keeper ck = new customer_keeper();
            customer_class cc = ck.GetData(int.Parse(TextBox1.Text));

            if (CheckBox1.Checked)
            {
                cc._pass = TextBox3.Text;
            }
            cc._email = TextBox5.Text;
            cc._contact = TextBox6.Text;
            ck.update(cc);
            Label8.Text = "Account Successfully Updated!";  
        }