/// <summary>
        /// 复制函件发文
        /// </summary>
        /// <param name="ID"></param>
        /// <param name="p_strStepName"></param>
        /// <param name="receiveUserID"></param>
        /// <param name="p_strProcessID"></param>
        /// <param name="p_strWorkItemID"></param>
        /// <returns></returns>
        private bool CopyLSInfo(String ID, String p_strStepName, String p_strUserID, String p_strProcessID, String p_strWorkItemID, String p_strPoolID)
        {
            try
            {
                EntityLetterSend selectEntity = new EntityLetterSend();
                selectEntity.ID = int.Parse(ID);

                EntityLetterSend newEntity = new EntityLetterSend();
                selectEntity.Clone(newEntity);

                newEntity.WorkItemID = p_strWorkItemID;
                newEntity.StepName = p_strStepName;
                newEntity.ReceiveUserID = p_strUserID;
                newEntity.D_StepStatus = String.IsNullOrEmpty(p_strPoolID) ? "Assign" : "New";//公办:New 其他:Assign
                return newEntity.Save();
            }
            catch (Exception ex)
            {
                return false;
            }
        }