在WebService中传递SortedList, ListDictionary 和 Hashtable 参数

问题描述

在WebService中传递SortedList,ListDictionary和Hashtable参数，如果直接传递，就会报错：System.NotSupportedException:ThetypeSystem.Collections.SortedListisnotsupportedbecauseitimplementsIDictionary.通过集合类的CopyTo方法将其转化成DictionaryEntry数组，再进行传递；客户端接收后，再将其转化成SortedList,ListDictionary和Hashtable集合。[WebMethod]publicDictionaryEntry[]HelloWorld(){SortedListsl=newSortedList();sl.Add("Key","Value");DictionaryEntry[]array=newDictionaryEntry[sl.Count];sl.CopyTo(array,0);returnarray;}publicvoidget(DictionaryEntry[]entries){SortedListlist=newSortedList();foreach(DictionaryEntryentryinentries){ist.Add(entry.Key,entry.Value);}}文章出处：http://www.diybl.com/course/4_webprogram/asp.net/netjs/2007113/82452.html