//Check IDs in file and see if the specified ID is already in the file
private bool alreadyFavourite(int id)
{
return(DataUtilities.GetFavouriteCityIDsFromDB(user.Username).Any(_id => _id == id));
}
private void Window_Loaded(object sender, RoutedEventArgs e)
{
grdMain.Background = DataUtilities.ChooseBackground(); //Randomly select background
loggedInUser = new User();
txtUsername.Focus();
}