SmokewineteaDMS/FrmLog.cs

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using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using Smokewinetea.BLL;
using SmokewineteaModels;



namespace SmokewineteaDMS
{
    public partial class FrmLog : Form
    {
        public FrmLog()
        {
            InitializeComponent();
        }

        private void txtId_KeyPress(object sender, KeyPressEventArgs e)
        {
            if (e.KeyChar >= '0' && e.KeyChar <= '9' || e.KeyChar >= 'a' && e.KeyChar <= 'z' || e.KeyChar == (char)Keys.Back)
            {
                e.Handled = false;
            }
            else
            {
                e.Handled = true;
            }
        }

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

        private void btnenter_Click(object sender, EventArgs e)
        {
            if (txtId.Text == "")
            {
                MessageBox.Show("请输入账号.....!");
                txtId.Focus();
                return;
            }
            if (TxtPwd.Text == "")
            {
                MessageBox.Show("请输入密码.....!");
                txtId.Focus();
            }
            string userId = txtId.Text;
            string userPwd = TxtPwd.Text;
            

           
            
            if (LogBLL.Log(userId, userPwd))
            {