/// <summary>
/// 创建新的 Activity_City 对象。
/// </summary>
/// <param name="id">Id 属性的初始值。</param>
/// <param name="cityId">CityId 属性的初始值。</param>
/// <param name="activityId">ActivityId 属性的初始值。</param>
/// <param name="cityName">CityName 属性的初始值。</param>
public static Activity_City CreateActivity_City(global::System.Guid id, global::System.Int32 cityId, global::System.Guid activityId, global::System.String cityName)
{
Activity_City activity_City = new Activity_City();
activity_City.Id = id;
activity_City.CityId = cityId;
activity_City.ActivityId = activityId;
activity_City.CityName = cityName;
return activity_City;
}
public List<string> AddCityList(string id,List<int> cities)
{
Guid guid=new Guid(id);
List<string> returnModel = new List<string>();
foreach (int city in cities)
{
try
{
Activity_City model = new Activity_City()
{
Id = Guid.NewGuid(),
CityId = city,
ActivityId = guid
};
returnModel.Add(db.Cities.Where(c => c.CityId == city).First().Name);
db.AddToActivity_Citys(model);
}
catch
{
continue;
}
}
db.SaveChanges();
return returnModel;
}
/// <summary>
/// 用于向 Activity_Citys 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 AddToActivity_Citys(Activity_City activity_City)
{
base.AddObject("Activity_Citys", activity_City);
}