private void buttonLogin_Click(object sender, EventArgs e) { MySqlCommand command; MySqlDataReader mdr; string ConnectString = "datasource = localhost; username = root; password=; database = bluster"; MySqlConnection DBconnect = new MySqlConnection(ConnectString); DBconnect.Open(); string checkquery = "Select * from info WHERE username= '******' AND password = '******';"; command = new MySqlCommand(checkquery, DBconnect); mdr = command.ExecuteReader(); if (mdr.Read()) { MessageBox.Show("Login Successfull!!!"); this.Hide(); this.getTress(); MainFrom mainform = new MainFrom(tress); mainform.Show(); } else { MessageBox.Show("Incorrect Login Information! Try again."); } DBconnect.Close(); if (string.IsNullOrEmpty(textBoxUsername.Text) || string.IsNullOrEmpty(textBoxPassword.Text)) { MessageBox.Show("Please input Username and Password", "Error"); } }
private void button1_Click(object sender, EventArgs e) { DBconnection(); this.Hide(); MainFrom mainform = new MainFrom(tress); mainform.Show(); }