
注意ID和ParentID两列是链表结构,不然无法产生树结构!
treeListMain.KeyFieldName = "ID";
treeListMain.ParentFieldName = "ParentID";
treeListMain.ImageIndexFieldName = "ImgIndex"; //属性SelectImageList为ImageList

转载于:https://www.cnblogs.com/zhahost/archive/2008/06/02/1212400.html