/// <summary>
 /// 设置接收者的一条未阅读消息为已阅
 /// </summary>
 /// <param name="receiver"></param>
 /// <param name="id"></param>
 public void SetMessageHasReadById(string receiver, string id)
 {
     using (DBContainer db = new DBContainer())
     {
         db.P_MIS_SetMessageHasReadById(receiver, id);
     }
 }