/// <summary>
 /// 删除接收者的一个消息
 /// </summary>
 /// <param name="id"></param>
 /// <param name="?"></param>
 public void DeleteMessageByReceiver(string id, string receiver)
 {
     using (DBContainer db = new DBContainer())
     {
         db.P_MIS_DeleteMessageByReceiver(id, receiver);
     }
 }