GroupBy and count the unique elements in a List

Question

I have a list that contains only strings. What I would love to do is group by and return a count.

For instance:

Foo1
Foo2
Foo3
Foo1
Foo2 
Foo2
         


        

Answer 1

A good solution is available on http://msdn.microsoft.com/en-us/library/vstudio/bb534304(v=vs.100).aspx It groups data by key; each key has it's own list of data you can iterate over it.