private void Login_Click(object sender, EventArgs e) { AppMenu am1 = new AppMenu(); AppMenu am2 = new AppMenu("Waiter"); String query = "select * from accounts"; DataSet ds = db.getData(query); bool userexist = false; for (int i = 0; i < ds.Tables[0].Rows.Count; i++) { if (ds.Tables[0].Rows[i][0].ToString() == UsernameTextBox.Text && ds.Tables[0].Rows[i][1].ToString() == PasswordTextBox.Text && UsernameTextBox.Text != "christos") { userexist = true; break; } } if (UsernameTextBox.Text == "admin" && PasswordTextBox.Text == "12345" && userexist == true) //set your username and password for admin user after you sing up { Login.BackColor = Color.White; am1.Show(); this.Hide(); } else if (userexist == true) { Login.BackColor = Color.White; am2.Show(); this.Hide(); } else { MessageBox.Show("Wrong Username or Password", "Warning", MessageBoxButtons.OK, MessageBoxIcon.Information); } }
private void enterLogin(KeyEventArgs e) { AppMenu am = new AppMenu(); if (e.KeyCode == Keys.Enter) { if (UsernameTextBox.Text == "christos" && PasswordTextBox.Text == "12345") { Login.BackColor = Color.White; e.SuppressKeyPress = true; am.Show(); this.Hide(); } else { MessageBox.Show("Wrong Username or Password", "Warning", MessageBoxButtons.OK, MessageBoxIcon.Information); } } }