In ASP.NET Web forms , you can enable the tracing for a specific page by adding the trace attribute to the Page element in the aspx page.
How to enable Tracing for a specific page in ASP.NET ?
<%%@ Page Language="C#" AutoEventWireup="true" CodeBehind="ABundantcodepage.aspx.cs" Inherits="ACPage._Default" Trace="true" %%>