在asp.net中控制回车键
http://www.cnblogs.com/xxz0618/archive/2006/12/28/605645.html
http://www.cnblogs.com/xxz0618/archive/2006/12/28/605645.html
在asp.net网页中,使用服务器button按钮,默认第一个button响应回车键的点击事件。很多时候,第一个按钮这不是
用户在点击回车后想做事情。一般来说,回车键是完成输入工作后提交数据如、关闭当前弹出窗口、输入关键字后回车进行搜索。
在网页中设置回车键的解决方法是使用javascript的document.onkeydown()方法捕捉键盘点击事件,
使用event.keyCode来获取用户点击的键位。
![](https://www.cnblogs.com/Images/OutliningIndicators/None.gif)
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如果button按钮为服务器端的按钮,则更改如下:
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![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
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![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockStart.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/InBlock.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedSubBlockEnd.gif)
![](https://www.cnblogs.com/Images/OutliningIndicators/ExpandedBlockEnd.gif)
如果按钮在用户控件中,上面的方法可以放在用户控件中使用。
一定要取消回车键的默认操作,否则默认的按钮还会在执行了button按钮后继续执行。
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