//Функционал кнопки НАЗАД
private void ButtonBack_Click(object sender, RoutedEventArgs e)
{
AuthWindow authWin = new AuthWindow();
this.Close();
authWin.Show();
}
private void Window_Loaded(object sender, RoutedEventArgs e)
{
//Подключение к БД
using (SqlConnection conn = DBUtils.GetDBConnection())
{
try
{
conn.Open();
conn.Close();
}
catch (Exception)
{
MessageBox.Show("Sorry, data access has been suspended.\nСontact the administrator", "Data access error", MessageBoxButton.OK, MessageBoxImage.Error);
AuthWindow authWin = new AuthWindow();
this.Close();
authWin.Show();
}
}
}