i have a combobox and i want to intercepte the selected value to save it to my data base can you help me
Take a look at the dojo tests which are linked from the download page. There is a test for combobox which grabs the value. Once you have the value you can send it back to a database.
Another example which maybe useful is GetWidgetData which shows how to get data and the call to send it back to a servlet. That sample is part of the sdk bundle which is also available on the download page.
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