public static void LoginButton_Click(object sender, EventArgs e) { if (!DBAccessor.verifyLoginInfo(mm.UsernameTextbox.Text, mm.PasswordTextbox.Text)) { MessageBox.Show("Invalid User Information. Try again."); return; } DisplayWindow dw = new DisplayWindow(); dw.SetUser(mm.UsernameTextbox.Text); HideMainMenu(); dw.ShowDialog(); }