Example #1
0
        private void btnLogin_Click(object sender, EventArgs e)
        {
            //非空验证
            if (txtUserName.Text == "")
            {
                HintMessageBox.Warning_hint("请输入账户姓名!!");
                return;
            }
            else if (txtPwd.Text == "")
            {
                HintMessageBox.Warning_hint("请输入账户密码!!");
                return;
            }
            //sql语句
            string sql = string.Format("select COUNT(*) from admin_info where admin_name = '{0}' and admin_pwd = '{1}'", txtUserName.Text.Trim(), txtPwd.Text.Trim());

            if (db.ExecuteScalar(sql) == null)
            {
                return;
            }
            if ((int)db.ExecuteScalar(sql) > 0)
            {
                HintMessageBox.Information_hint("登录成功!!");
                FrmAdmin admin = new FrmAdmin();
                admin.Show(); //显示后台管理主窗体
                this.Hide();  //隐藏登录窗体
            }
            else
            {
                HintMessageBox.Information_hint("用户名或密码错误!!");
            }
        }
Example #2
0
 //登录
 private void btnLogin_Click(object sender, EventArgs e)
 {
     if (ValidateInput())
     {
         string message = "";
         //调用方法,判断用户是否存在
         bool userExist = ValidateUser(this.txtUserName.Text.Trim(), this.txtPwd.Text.Trim(), ref message);
         if (userExist)
         {
             FrmAdmin adminForm = new FrmAdmin();
             adminForm.Show();
             this.Hide();
         }
         else
         {
             MessageBox.Show(message, "提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
         }
     }
 }