How to combine 2 lists using LINQ?

Question

Env.: .NET4 C#

Hi All,

I want to combine these 2 lists : { \"A\", \"B\", \"C\", \"D\" } and { \"1\", \"2\", \"3\" }

into this o

Answer 1

Essentially, you want to generate a cartesian product and then concatenate the elements of each 2-tuple. This is easiest to do in query-syntax:

var cartesianConcat = from a in seq1
                      from b in seq2
                      select a + b;