How do I use updatePanel in asp.net without refreshing all page? [closed]

Question

I want to design a website which contains sub-categories of a product in asp.net(c#). When I clicked a sub-category, then an image of product must be shown and the main page shouldn't be refreshed. How can I succeed it?

Answer 1

Read these tutorials Asp.net Update Panel and Introduction to the UpdatePanel Control

Simple and understandable