/// <summary>
/// 创建新的 City 对象。
/// </summary>
/// <param name="cityID">CityID 属性的初始值。</param>
/// <param name="cityName">CityName 属性的初始值。</param>
/// <param name="isActive">IsActive 属性的初始值。</param>
public static City CreateCity(global::System.Guid cityID, global::System.String cityName, global::System.Boolean isActive)
{
City city = new City();
city.CityID = cityID;
city.CityName = cityName;
city.IsActive = isActive;
return city;
}
/// <summary>
/// 用于向 City EntitySet 添加新对象的方法，已弃用。请考虑改用关联的 ObjectSet<T> 属性的 .Add 方法。
/// </summary>
public void AddToCity(City city)
{
base.AddObject("City", city);
}