protected void Button4_Click(object sender, EventArgs e)
        {
            UserService.IUserService client = new UserService.UserServiceClient();
            UserService.UserInfo     user   = new UserService.UserInfo();
            user.Type   = UserService.UserType.Student;
            user.Std    = Convert.ToInt32(Std.Text);
            user.ID     = Convert.ToInt32(Id.Text);
            user.Name   = Name.Text;
            user.Gender = Gender.Text;
            user.DOB    = Convert.ToDateTime(DOB.Text);

            client.SaveUser(user);
            Label1.Text = "Students saved successfully!!";
        }