也许您正在尝试做
string combindedString = string.Join( ",", myList.ToArray() );
您可以将“,”替换为您要用来拆分列表中元素的内容。
:如评论中所述,您也可以
string combindedString = string.Join( ",", myList);
参考:
Join<T>(String, IEnumerable<T>)
Concatenates the members of a collection, using the specified separator between each member.