private void registerButton_Click(object sender, EventArgs e)
        {
            Communication.User.Sex sex;
            if (maleRadioButton.Checked)
            {
                sex = Communication.User.Sex.m;
            }
            else if (femaleRadioButton.Checked)
            {
                sex = Communication.User.Sex.f;
            }
            else
            {
                return;
            }

            Communication.User user = new Communication.User()
            {
                UserName    = usernameTextBox.Text,
                Password    = passwordTextBox.Text,
                Name        = nameTextBox.Text,
                Email       = emailTextBox.Text,
                BirthDate   = birthdateTimePicker.Value,
                UserSex     = sex,
                Whereabouts = locationTextBox.Text,
                Smoker      = smokerCheckBox.Checked,
                SignupDate  = DateTime.Now
            };
            core.RegisterUser(user, registrarTextBox.Text);
            this.Dispose();
        }
        private void registerButton_Click(object sender, EventArgs e)
        {
            Communication.User.Sex sex;
            if (maleRadioButton.Checked)
                sex = Communication.User.Sex.m;
            else if (femaleRadioButton.Checked)
                sex = Communication.User.Sex.f;
            else
                return;

            Communication.User user = new Communication.User()
            {
                UserName = usernameTextBox.Text,
                Password = passwordTextBox.Text,
                Name = nameTextBox.Text,
                Email = emailTextBox.Text,
                BirthDate = birthdateTimePicker.Value,
                UserSex = sex,
                Whereabouts = locationTextBox.Text,
                Smoker = smokerCheckBox.Checked,
                SignupDate = DateTime.Now
            };
            core.RegisterUser(user, registrarTextBox.Text);
            this.Dispose();
        }