Example #1
0
        private void button1_Click(object sender, EventArgs e)
        {
            label3.Text = "";
            string name = textBox1.Text;
            string pwd  = textBox2.Text;

            BLL.cardinfo bll = new BLL.cardinfo();   //创建bll层对象
            if (bll.Exists(name, pwd))               //调用方法
            {
                CardID            = textBox1.Text;   //保存卡号到字段
                this.DialogResult = DialogResult.OK; //表示登陆成功
            }
            else
            {
                label3.Text = "用户名密码错误！请重试";
            }                               //显示错误信息
        }