Asp.Net: Embed image in server control's assembly.

Question:

How to embed an image file  as an embedded resource in a server control assembly?
How to access an image from a server control assembly?

Asp.Net: Embed CSS in server control's assembly.

Question:

How to embed a CSS file in a server control assembly?
How to access style information (CSS) from a server control assembly?

Dot.Net: How to write RSS date format in CSharp

Question:

In a RSS feed I need to write dates in the format RFC #822. How do I do this?
How to write a string in the RFC 1123 format??

Dot.Net: Generic List - test Subclass of IEnumerable

Question:

How to test if a given generic list type (e.g. List<>) implements an interface (e.g. IEnumerable<> or IEnumerable)?
How to check interface implementation for generic types? (IsSubclassOf does not work)