asp.net runtime

[abcd]

How do I determine that ASP.NET runtime 1.1 is installed on the machine?

 

[Steve C. Orr [MVP, MCSD]]

You want to check what version of the CLR is running on the client from
within your server side code?

You can check the CLR version with this property:
Request.Browser.ClrVersion.Major

Here's more information:
http://www.fileformat.info/system/browsercap.htm