我有一个下拉列表,我想调用下拉列表中selectedindexchanged事件的JavaScript确认框。问题是我不知道如何在执行selectedindexchanged事件的C#代码之前调用javascript确认框。我的.aspx代码:执行javascript确认在下拉列表onSelectedIndexChanged事件
OnSelectedIndexChanged ="ddlCauses_SelectedIndexChanged"
我想这样做:
OnSelectedIndexChanged = "return confirm('Are you sure you want to change the cause code?');"
OnSelectedIndexChanged ="ddlCauses_SelectedIndexChanged"
不过,我不认为我可以分配到onSelectedIndexChanged两个不同的东西......我怎样才能让为了确认javascript被执行,然后C#代码执行,如果选择了是的话?
[DropdownList autoposback客户端确认后可能重复](http://stackoverflow.com/questions/73748/dropdownlist-autoposback-after-client-confirmation) – Ian 2013-02-11 15:39:15
它几乎是相同的,但是当用户点击YES按钮,我想要触发onSelectedIndexChanged代码。相反,它只是改变下拉列表...任何帮助如何做到这一点? – user2030579 2013-02-11 16:07:25