Why can't I create a dictionary<string, dictionary<string,string>>?

Question

i want to create a dictionary like:

Dictionary<string,<Dictionary<string, string>>>

Why can't I?

Answer 1

One too many sets of <>.

What you want is this:

Dictionary<string, Dictionary<string, string>>

Answer 2

Dictionary<string,Dictionary<string, string>>

2nd parameter is not a generic so to speak

Answer 3

Try it like this

Dictionary<string, Dictionary<string, string>>

Answer 4

Dictionary<string,Dictionary<string, string>> 
    = new Dictionary<string,Dictionary<string, string>>();