public override string ToString()
{
string strMenu = (Menu == null) ? "Empty" : Menu.ToString();
string addresStr = Adress != null ? Adress.ToString() : "";
string logoUrlStr = string.IsNullOrEmpty(LogoUrl) ? "" : LogoUrl;
return string.Format(" RestaurantModel: Id={0}, Name={1}, Description={2}, Adress={3}, LogoUrl={4}, Menu={5}."
, Id, Name, Description, addresStr, logoUrlStr, strMenu);
}