Panel Control In ASP.NET With C#

This article demonstrates how to create and use a Panel control in ASP.NET with C#. This article starts with introduction of the Panel in ASP.NET. After that, it demonstrates how to position and click event handler of a Pannel and after click how panel appear.

source https://www.c-sharpcorner.com/article/panel-control-in-asp-net-with-c-sharp/