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I have a drop-down choice field in a custom list

I'd like to add an event handler that fires when a value is selected from the drop down.

I'd originally attached to the itemupdating event but don't want people to have to save the item for the event to fire and I can't see a list item event associated with changes to field values. Am I missing something obvious?

Thanks in advance


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up vote 2 down vote accepted

What you are looking for cannot be done using event handlers. You need to use selected index changed event of the dropdown control in your form pages.

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Many thanks Nadeem - I was starting to think that was the case. I'm new to this and was just wondering if you could point me at some relevant references to learn a bit more about the approach you outlined? – DanA Jan 17 '13 at 5:59
Hi @DanA, you can perhaps use a combination of JQuery and CSOM (Client side object model) to achieve what you want. What you need to do is to add a Content Editor Webpart to your pages like NewFrom.aspx and EditForm.aspx. Write the JQuery and CSOM code in there and make it invisible. You may find these links useful:…… – Nadeem Yousuf Jan 17 '13 at 6:17
Thanks again Nadeem - looks like I've got some learning to do! – DanA Jan 17 '13 at 6:21

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