public void Update(string Id)
	    {
		    MyTb item = new MyTb();
	        item.MarkOld();
	        item.IsLoaded = true;
		    
			item.Id = Id;
				
	        item.Save(UserName);
	    }
	    public void Insert(string Id)
	    {
		    MyTb item = new MyTb();
		    
            item.Id = Id;
            
	    
		    item.Save(UserName);
	    }