//更新留言的状态10 ok
        public bool UpdatePublicMessagesState(List<Guid> PublicMessageIDList)
        {
            bool IsSucceed = false;
            //数据访存器
            DatabaseAccess.DataClasses1DataContext DBAccessor = new DataClasses1DataContext();

            if (PublicMessageIDList != null)
            {
                foreach (Guid id in PublicMessageIDList)
                {
                    try
                    {
                        DBAccessor.updateMessageStateByID(id);
                        IsSucceed = true;
                    }
                    catch (Exception e)
                    {
                        IsSucceed = false;
                        break;
                    }
                }
            }

            return IsSucceed;
        }
        //更新站内信的状态9 ok
        public bool UpdatePrivateMessageState(Guid MessageId)
        {
            bool IsSucceed = false;
            //数据访存器
            DatabaseAccess.DataClasses1DataContext DBAccessor = new DataClasses1DataContext();

            try
            {
                DBAccessor.updateMessageStateByID(MessageId);
            }
            catch (Exception e)
            {
                IsSucceed = false;
            }

            return IsSucceed;
        }