private void ButtonLogin(object sender, RoutedEventArgs e)
{
ActiveUser = Authentication.AuthCheck(textBoxEmail.Text, textBoxPassword.Password);
if (ActiveUser == null)
{
MessageBox.Show("Such Email & Password combination doesn't exist");
textBoxEmail.Clear();
textBoxPassword.Clear();
textBoxEmail.Focus();
}
else
{
ScheduleWindow Main = new ScheduleWindow(ActiveUser);
Main.Show();
Close();
}
}