I have created the WebCombo with AutoGenerateColumns=false and try to bind the datasource. I am unable to view the values in the webcombo , but when i tried to generate the webcombo with autogeneratecolumns=true then i got the columns
This is the expected behavior. When setting AutoGenerateColumns to False, you are supposed to create the columns yourself, typically in the InitializeLayout event.
AutoGenerateColumns Property:
http://help.infragistics.com/Help/NetAdvantage/NET/2008.2/CLR2.0/html/Infragistics2.WebUI.WebCombo.v8.2~Infragistics.WebUI.WebCombo.DropDownLayout~AutoGenerateColumns.html