Serverside event handling of a Webcombo inside an ultragrid

Question

Hi,

I have to populate a value from database in an Infragistics ultragrid column on a particular value selection in a webcombo in another column of ultragrid. Can someone please help?
I am trying to do it OnSeletedRowchanged event of webcombo but did not get success. Your inputs will be appreciated!

Regards,
Vaibhav