// -----------------------------------------------------
        //    Save Links
        // -----------------------------------------------------
        public static void LinkDocuments(int DocumentSetUID, int ParentID, int ChildID, string LinkType)
        {
            DocumentSetDocumentLink findOne = new DocumentSetDocumentLink();

            if (findOne.Read(DocumentSetUID, ParentID, ChildID, LinkType))
            {
                // Already exists
            }
            else
            {
                findOne.LinkType            = LinkType;
                findOne.FKDocumentSetUID    = DocumentSetUID;
                findOne.FKParentDocumentUID = ParentID;
                findOne.FKChildDocumentUID  = ChildID;

                findOne.Add();
            }
        }