xiaomiMes/MainForm/FaForm/Form_UserLogin.cs

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using StandardLibrary;

namespace UserSettings
{
    public partial class Form_UserLogin : Form
    {
        UserAccount userAccount;

        public Form_UserLogin(UserAccount userAccount)
        {
            InitializeComponent();

            this.userAccount = userAccount;
        }

        private void Form_UserLogin_Load(object sender, EventArgs e)
        {
            cbb_UserName.SelectedIndex = 0;
        }

        private void bt_Login_Click(object sender, EventArgs e)
        {
            if (userAccount.UserLogin(userAccount.GetUserName(cbb_UserName.Text),txt_Password.Text))
            {
                //MessageBox.Show("登录成功", "用户登陆", MessageBoxButtons.OK, MessageBoxIcon.Asterisk);
                this.Close();

            }
            else
            {
                txt_Password.Text = "";
                txt_Password.Focus();
                lab_Err.Visible = true;
            }
        }

        private void txt_Password_KeyDown(object sender, KeyEventArgs e)
        {
            if (e.KeyCode == Keys.Enter)
            {
                bt_Login_Click(null, null);
            }
        }

        private void bt_Exit_Click(object sender, EventArgs e)
        {
            this.Close();
        }
    }
}