How to maintain page scroll position after a page postback in asp.net or Maintain scroll position on postback in asp.net or Reset the page scroll position after a PostBack

Use page property maintainScrollPositionOnPostBack="true"

Step 1:- Web.config

<configuration>

  <system.web>

  <pages maintainScrollPositionOnPostBack="true">

  </system.web>

</configuration>

Step 2:- Page Level

<%@ Page Title="Home" Language="C#" MasterPageFile="~/Masters/Layout.Master" MaintainScrollPositionOnPostback="true" AutoEventWireup="true" CodeBehind="Home.aspx.cs" Inherits="Demo.Home" %>