示例#1
0
        private void button1_Click(object sender, EventArgs e)
        {
            Form13 f1 = new Form13(usne);

            f1.Show();
            this.Close();
        }
示例#2
0
        private void button2_Click(object sender, EventArgs e)
        {
            String          passwd;
            MySqlConnection con = new MySqlConnection("server = localhost; user id = root;  password = redhat; persistsecurityinfo = True; database = dbproject");

            con.Open();

            MySqlCommand    cmd   = new MySqlCommand("Select * from login where uname='" + tbuname.Text + "'", con);
            MySqlDataReader rdusn = cmd.ExecuteReader();

            if (rdusn.Read())
            {
                passwd = Convert.ToString(tbpass.Text);
                String epasswd = (rdusn["passwd"].ToString());
                int    per     = Convert.ToInt16((rdusn["per"].ToString()));
                String usn     = (rdusn["uname"].ToString());
                if (passwd == epasswd)
                {
                    if (per == 1)
                    {
                        Form13 f1 = new Form13(usn);
                        f1.Show();
                    }
                    else if (per == 2)
                    {
                        Form12 f2 = new Form12(usn);
                        f2.Show();
                    }
                    else
                    {
                        Form14 f3 = new Form14(usn);
                        f3.Show();
                    }
                }
                else
                {
                    MessageBox.Show("Incorrect login or password");
                }
            }
            else
            {
                MessageBox.Show("Incorrect login or password");
            }
        }