public ActionResult WorkGroupData(string DepId) { var OrderList = workorder.GetWorkOrderGroup(DepId).ToList(); var treeList = new List <TreeGridEntity>(); foreach (WorkGroupSetEntity item in OrderList) { TreeGridEntity tree = new TreeGridEntity(); tree.id = item.departmentid; tree.hasChildren = false; tree.parentId = "0"; tree.expanded = true; string itemJson = item.ToJson(); itemJson = itemJson.Insert(1, "\"ParentId\":\"0\","); itemJson = itemJson.Insert(1, "\"DepartmentId\":\"" + item.departmentid + "\","); itemJson = itemJson.Insert(1, "\"FullName\":\"" + item.fullname + "\","); tree.entityJson = itemJson; treeList.Add(tree); } return(Content(treeList.TreeJson())); }