Пример #1
0
        //登陆用户
        public bool user_land(SQL sq, 登陆界面 form, string txt_name, string txt_mima)
        {
            //SqlCommand cmd = new SqlCommand("select * from 用户 where 用户名='" + txt_name.Trim() + "' and 密码='" + txt_mima.Trim() + "'", sq.sql_ct);
            //SqlDataReader sdr = cmd.ExecuteReader();
            string message;
            bool   s = false;

            try
            {
                message = "select * from 用户 where 用户名='" + txt_name.Trim() + "' and 密码='" + txt_mima.Trim() + "'";
                sdr     = sq.sql_select_get(message);
                sdr.Read();
                if (sdr.HasRows)
                {
                    MessageBox.Show("登录成功!", "提示");
                    s = true;
                }
                else
                {
                    MessageBox.Show("提示:用户名或密码错误!", "警告");
                }
                sdr.Close();
            }
            catch (Exception e)
            {
                MessageBox.Show(e.ToString());
            }
            return(s);
        }
Пример #2
0
        private void button2_Click(object sender, EventArgs e)
        {
            this.Close();
            f.Close();
            登陆界面 g = new 登陆界面();

            g.Show();
        }