protected void regUser_Click(object sender, EventArgs e)
        {
            string fname  = FirstName.Text;
            string mname  = MiddleName.Text;
            string lname  = LastName.Text;
            string mail   = Email.Text;
            string pass   = Password.Text;
            string dob    = BirthDate.Text;
            string phno   = phone.Text;
            string gender = "";

            if (Male.Checked)
            {
                gender = "Male";
            }
            else if (Female.Checked)
            {
                gender = "Female";
            }
            else
            {
                gender = "Others";
            }
            string address = Address.Text;
            string city    = dropci.SelectedIndex.ToString();
            string state   = dropst.SelectedIndex.ToString();
            string country = dropcon.SelectedIndex.ToString();
            string pin     = txtpin.Text;
            bool   flag    = con.AddUser(fname, mname, lname, mail, pass, dob, phno, gender, address, city, state, country, pin);

            if (flag)
            {
                Response.Redirect("index.aspx");
            }
        }