private void send_loginForm(object sender, RoutedEventArgs e)
{
User userToConnect = dataUtils.GetUserByMailAdress(MailAdressTextBox.Text);
if (userToConnect != null && PasswordTextBox.Password == userToConnect.Password)
{
UserConnected.SetUserConnected(userToConnect);
var mainWindow = new MainWindow();
mainWindow.Show();
this.Close();
}
else
{
PasswordTextBox.Clear();
ErrorMessage.Visibility = Visibility.Visible;
}
}