C# (CSharp) RegisterForm.IsNatural_Number Examples

Example #1

File: LoginForm.cs Project: HuangYuki/Super-Personal-Assistant

        private void button1_Click(object sender, EventArgs e)
        {
            string _account = accountTextBox.Text;
            string _secret  = secretTextBox.Text;

            if (_account == "" || _secret == "" || !reg.IsNatural_Number(accountTextBox.Text) || !reg.IsNatural_Number(secretTextBox.Text))
            {
                MessageBox.Show("帳戶或密碼格式不符！！！");
            }
        }