frmenter.cs

酒店管理系统,您酒店物业管理的好帮手

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

using Hotel.Operation;

namespace Hotel.UI
{
    public partial class frmEnter : Form
    {
        public frmEnter()
        {
            InitializeComponent();
        }
        public bool en = false;
        UserInfoAccess objUserInfoAccess =null;
        int num = 0;//统计次数
 
       
        //添加所有用户编号到cboName
        private void frmEnter_Load(object sender, EventArgs e)
        {
            
            objUserInfoAccess = new UserInfoAccess();
            ArrayList arr = new ArrayList();
            arr=objUserInfoAccess.GetUserID();
            for (int i = 0; i < arr.Count; i++)
            {
                cboName.Items.Add(arr[i].ToString());
            }
           
        }

        private void cboName_KeyPress(object sender, KeyPressEventArgs e)
        {
            if (e.KeyChar == (char)13)
            {
                txtPwd.Focus();
            }
        }

        private void txtPwd_KeyPress(object sender, KeyPressEventArgs e)
        {
            if (e.KeyChar == (char)13)
            {
                btnLogin.Focus();
            }
        }

        private void btnExit_Click(object sender, EventArgs e)
        {
            Application.Exit();
        }

        private void btnLogin_Click(object sender, EventArgs e)
        {

            //判断是否为空
            if (cboName.Text.Trim() == string.Empty)
            {
                cboName.Text = "";
                MessageBox.Show("请输入登录编号!", "提示");
                return;
            }
            if (txtPwd.Text.Trim() == string.Empty)
            {
                txtPwd.Text = "";
                MessageBox.Show("请输入密码!", "提示");
                return;
            }
            string userID = cboName.Text.Trim();
            string pwd = txtPwd.Text.Trim();
            if (objUserInfoAccess.GetPassword(userID, pwd))
            {
                Program.strName = cboName.Text.Trim();//保留用户名
                en = true;
                this.Close();
            }
            else
            {
                MessageBox.Show("用户编号或密码错误！", "提示");
                cboName.Focus();//获取焦点
            }
            num++;//统计次数
            if (num > 2)
            {
                MessageBox.Show("您输入错误次数受限,系统关闭!", "提示");
                Application.Exit();
            }
        }

        private void label1_Click(object sender, EventArgs e)
        {

        }
    }
}