private void btnLogin_Click(object sender, EventArgs e) { Tuple <User, int> response = WebHandeler.verifyUser(txtUsername.Text, txtPassword.Text); //checks if the user successfully logged in if (response.Item2 == -1) { MessageBox.Show("Incorrect Login"); } else if (response.Item2 == -2) { MessageBox.Show("Could not connect to server"); } //allows user to enter the application on successful login else if (response.Item2 == 1) { ProgramMain.currentUser = response.Item1; this.Hide(); AnimalListForm switchTo = new AnimalListForm(); switchTo.ShowDialog(); this.Close(); } else { MessageBox.Show("An unidentified error has occured"); } }