Why dynamically created user controls disappear when controls are not doing full postbacks?

Question

Based on my current understandings, when you have an UpdatePanel control there is no full postback. Therefore if I dynamically add custom user controls and they have UpdateP

Answer 1

OK based on my current understandings, when you have an UpdatePanel control there is no full postback.

Postbacks triggered from UpdatePanels always execute the full page life-cycle. All the events are triggered normally. It makes no difference whether you use an UpdatePanel or not. Every time you add a control programmatically you need to re-add it on every postback.

Read this post, it may help you understand a bit better what's going on here.