The Temporary ASP.NET Files folder contains all temporary files and assemblies being created to serve pages and resources. You have to look into this subtree to find dynamically created files for your Web pages. Note that the Temporary ASP.NET Files directory is the default location for dynamically created files, but this location is configurable on a per-application basis using the section in the web.config file:
<compilation tempDirectory="d:\MyTempFiles" />
Given below is figure illustrates the default location for the temporary ASP.net folder
