private void LoginButton_Click(object sender, RoutedEventArgs e)
{
if (!(DataBaseSolution.FindUser(LoginBox.Text)))
{
MessageBox.Show("Wskazany użytkownik nie istnieje");
}
else
{
if ((DataBaseSolution.CheckPassword(LoginBox.Text, PasswordBox.Password)) == true)
{
MessageBox.Show("Podane hasło jest nieprawidłowe");
}
else
{
User user = new User();
user.Username = LoginBox.Text;
user.Password = PasswordBox.Password;
MainAppWindow mainAppWindow = new MainAppWindow(user);
this.Visibility = Visibility.Hidden;
mainAppWindow.Show();
}
}
}