一个因为粗心的Bug

/**
     * 数据绑定,分页显示
     */
    private void updataMenu(final EditText search)
    {
        if(listwz==null)
        {
            return;
        }

        pageID =0;
        listwz.setAdapter(null);
        FilterArray = new JSONArray();
        FilterArray = usedatabase.WzArray(search.getText().toString(), pageID,WzLbID);
//        pageID = 1; //Bug 少查10条数据，但不影响速查
        wzadapter = new WzAdapter(context, FilterArray,search);
        listwz.setAdapter(wzadapter);
        listwz.setOnScrollListener(new OnScrollListener() {
        int lastitem = 0;
        @Override
        public void onScrollStateChanged(AbsListView view, int scrollState) {
            // TODO Auto-generated method stub
            if(scrollState == OnScrollListener.SCROLL_STATE_IDLE && listwz.getCount()-lastitem<1)
            {
                if(WzLbID.equals(""))
                {
                    pageID +=1;
                    //把原来的加到一个新的Array里面
                    NewArray = new JSONArray();
                    NewArray = usedatabase.WzArray(search.getText().toString(), pageID,WzLbID);
                    try {
                    for(int i=0;i<NewArray.length();i++)
                    {
                        JSONObject item = (JSONObject)NewArray.get(i);
                        FilterArray.put(item);
                    }
                    } catch (JSONException e) {
                        // TODO Auto-generated catch block
                        e.printStackTrace();
                    }
                    int currentPostition  = listwz.getFirstVisiblePosition();
                    WzAdapter adapter = new WzAdapter(context, FilterArray,search);
                    listwz.setAdapter(adapter);
                    listwz.setSelectionFromTop(currentPostition+1, 0);    
                }
                else
                {
                    if(usedatabase.WzArray(search.getText().toString(), pageID,WzLbID).length()>FilterArray.length())
                    {
                        pageID +=1;
                        //把原来的加到一个新的Array里面
                        NewArray = new JSONArray();
                        NewArray = usedatabase.WzArray(search.getText().toString(), pageID,WzLbID);
                        try {
                        for(int i=0;i<NewArray.length();i++)
                        {
                            JSONObject item = (JSONObject)NewArray.get(i);
                            FilterArray.put(item);
                        }
                        } catch (JSONException e) {
                            // TODO Auto-generated catch block
                            e.printStackTrace();
                        }
                        int currentPostition  = listwz.getFirstVisiblePosition();
                        WzAdapter adapter = new WzAdapter(context, FilterArray,search);
                        listwz.setAdapter(adapter);
                        listwz.setSelectionFromTop(currentPostition+1, 0);        
                    }
                }
            }
        }
        
        @Override
        public void onScroll(AbsListView view, int firstVisibleItem,
                int visibleItemCount, int totalItemCount) {
            // TODO Auto-generated method stub
            lastitem = visibleItemCount+firstVisibleItem;
            
            }
        });
    }