Tracing Means receiving informative message about the execution of a web application at run time.
These informative messages from the running web application can help diagnose problem
During run time, you can
.Out put values of variables
.Assert whether a condition is met
.Trace through the execution path of the application
There are 2 Types of Tracing
.Page Level Tracing
.Application Level Tracing
Page Level Tracing : when you turn on page level tracinh for one page, trace information will only be displayed for that page.
Application Level Tracing : When you enable application level tracing ,trace information will be displayed on all pages in the web application
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