How to changed the Security Question Text box to Drop down list

sharepoint2010
codeplex

#1
Hi I have changed Security Question Text Box To Drop Down List i am getting that Drop down list Items from My Custom Sharepoint List. i am getting Error while Filling all Required fields and Clicking on Create User Button."Please enter Another Security Question. how can i Fix this one

#2
As long as you keep the control name the same, I would expect you to be able to replace the textbox with a DropDownList. I'd probably run it through the debugger and make sure that the values are being read properly in the back end.