我有一個下拉列表,我想調用下拉列表中selectedindexchanged事件的JavaScript確認框。問題是我不知道如何在執行selectedindexchanged事件的C#代碼之前調用javascript確認框。我的.aspx代碼:執行javascript確認在下拉列表onSelectedIndexChanged事件
OnSelectedIndexChanged ="ddlCauses_SelectedIndexChanged"
我想這樣做:
OnSelectedIndexChanged = "return confirm('Are you sure you want to change the cause code?');"
OnSelectedIndexChanged ="ddlCauses_SelectedIndexChanged"
不過,我不認爲我可以分配到onSelectedIndexChanged兩個不同的東西......我怎樣才能讓爲了確認javascript被執行,然後C#代碼執行,如果選擇了是的話?
[DropdownList autoposback客戶端確認後可能重複](http://stackoverflow.com/questions/73748/dropdownlist-autoposback-after-client-confirmation) – Ian 2013-02-11 15:39:15
它幾乎是相同的,但是當用戶點擊YES按鈕,我想要觸發onSelectedIndexChanged代碼。相反,它只是改變下拉列表...任何幫助如何做到這一點? – user2030579 2013-02-11 16:07:25