substitu for onDataChange in webclient

onDataChange
I use a combobox with a valuelist.
But in webclient the on DataChange method is not working.How i solve this problem ?
Thanks.
subhranild

onDataChange in 3.1 is fired after a submit to the server, which happens after clicking a button.

In 3.5, with Ajax technology enabled, the ondataChange will fire just like in the smart client.

Paul