动态handle datagrid里的控件的event
最近做的东西要handle datagrid里面的控件的event,datagrid是动态生成的,里面每一行都有一个textbox,第一个改了之后后面的都要改,但后面的改了不影响其他的。
显然要用写一个sub来处理事件,再用addhandler
![](/Images/OutliningIndicators/ExpandedBlockStart.gif)
![](/Images/OutliningIndicators/InBlock.gif)
![](/Images/dot.gif)
![](/Images/OutliningIndicators/ExpandedBlockEnd.gif)
![](/Images/OutliningIndicators/None.gif)
可是这个addhandler在哪里写呢?我先写在datagrid的itemdatabound里面,发现不行,才意识到动态加上去的handler是不会被保存的,也就是说,每次postback都要再用一次addhandler
所以我把它写到了itemcreated事件里面:
![](/Images/OutliningIndicators/ExpandedBlockStart.gif)
![](/Images/OutliningIndicators/InBlock.gif)
![](/Images/OutliningIndicators/InBlock.gif)
![](/Images/OutliningIndicators/InBlock.gif)
![](/Images/OutliningIndicators/InBlock.gif)
![](/Images/OutliningIndicators/InBlock.gif)
![](/Images/OutliningIndicators/ExpandedBlockEnd.gif)
![](/Images/OutliningIndicators/None.gif)
这样就可以了。