This article is for beginners who are learning. NET. This will be really helpful for them. Beginners will be wondered how to pass values between User Controls and ASPX page. In this article, I have listed some of the ways through which you can access and set the User control values in an ASPX page. I started of with some of the basics, advantages, and disadvantages of user controls.
Passing Values between User Controls and ASPX Page (c-sharpcorner.com)