persist RadComboBox selected item between postbacks

How can I persist selected item bet开发者_如何转开发ween postbacks with RadComboBox? I am loading the database items using WCF service and using LoadonDemand feature.I appreciate any help.

Thanks.

It will persist for you automatically if you have ViewState enabled, unless you are accidentally rebinding the data (or resetting the selected item) on postback. http://demos.telerik.com/aspnet-ajax/combobox/examples/populatingwithdata/autocompletesql/defaultcs.aspx