Mar 13, 2019 08:47 AM|KathyW|LINK
For a basic webforms project, adding MaintainScrollPositionOnPostback="true"
to the page declaration or to the page section of the web.config, if you want it for all pages, should do what you want. (https://weblogs.asp.net/hosamkamel/maintain-scroll-position-after-postbacks-in-asp-net-2-0
If you have ajax calls, an update panel, etc. it gets more complicated.