Question: How can I see the version of .net framework which renders my aspx page on remote server?

Answer: 
[Environment.Version](http://msdn2.microsoft.com/en-us/library/system.environment.version)
### Enable Trace

Enabling Trace is another option view every details of rendered page, including .NET Version  

Add **Trace="true"** in page directive

```
<%@ Page Trace="true" %>  

```

Scroll down to bottom and you will see rendered .NET Version