target.cs

人事管理系统

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Data.SqlClient;

namespace BlueHill_Win_
{
    public partial class Target : Form
    {
        public Target()
        {
            InitializeComponent();
        }

        private void button2_Click(object sender, EventArgs e)
        {
            DialogResult result = MessageBox.Show("你的工作是否已经及时保存?\r\n你确定要退出系统?\r\n点击[确定]退出", "提示", MessageBoxButtons.OKCancel, MessageBoxIcon.Question);
            if (result == DialogResult.OK)
            {
                Application.ExitThread();
            }
        }

        private void button1_Click(object sender, EventArgs e)
        {
            if (textBox2.Text.ToString().Trim() == "")
            {
                DialogResult = MessageBox.Show("请输入你的密码！", "提示");
                textBox2.Focus();
            }
            else
            {
                SqlConnection con = DB.connection();
                con.Open();
                SqlCommand cmd = new SqlCommand("select count(*) from 员工表 where 员工登录名='" + textBox1.Text.ToString().Trim() + "'and 员工密码='" + textBox2.Text.ToString().Trim() + "' ", con);
                int count = Convert.ToInt32(cmd.ExecuteScalar());
                if (count > 0)
                {
                    
                    DialogResult = MessageBox.Show("成功解锁！", "提示");
                    this.Dispose();
                }
                else
                    DialogResult = MessageBox.Show("密码错误！", "提示");
                    textBox2.Text = "";
                    textBox2.Focus();

            }

        }

        private void Target_Load(object sender, EventArgs e)
        {
            textBox1.Text = DB.getA;
            //SqlConnection con = DB.connection();
            //con.Open();

        }

        private void Target_FormClosing(object sender, FormClosingEventArgs e)
        {
            e.Cancel = true;
        }
    }
}