public static string AddTopicBelong(string Id)
{
Guid topicId = new Guid(Id);
Topic topic = (Topic)TopicList.Search(t => ((Topic)t).Id == topicId);
TopicBelongList.Add(topic);
System.Web.Script.Serialization.JavaScriptSerializer js = new System.Web.Script.Serialization.JavaScriptSerializer();
return(js.Serialize(TopicBelongList));
}
public static string DeleteTopicBelong(string[] arrId)
{
foreach (string Id in arrId)
{
Guid topicId = new Guid(Id);
Topic topic = (Topic)TopicList.Search(t => ((Topic)t).Id == topicId);
TopicBelongList.Remove(topic);
}
System.Web.Script.Serialization.JavaScriptSerializer js = new System.Web.Script.Serialization.JavaScriptSerializer();
return(js.Serialize(TopicBelongList));
}
public static void Save()
{
IEnumerable <Topic> AddList = TopicBelongList.OfType <Topic>().Except(TopicBelongOriginalList.OfType <Topic>());
foreach (Topic topic in AddList)
{
Args.Article.AddTopicBelong(topic);
}
IEnumerable <Topic> SubtractList = TopicBelongOriginalList.OfType <Topic>().Except(TopicBelongList.OfType <Topic>());
foreach (Topic topic in SubtractList)
{
Args.Article.DeleteTopicBelong(topic);
}
}
