How to load second DropDown list from Database after first DropDownList is changed

Question

I am building a Web App. At some point a user needs to input data to a form. This form has several text fields and DropDownLists.

One of the DDLs is dep

Answer 1

Here's an example:

http://tutorialzine.com/2011/11/chained-ajax-selects-jquery/

Google is your friend :)