Question

i have a list of string

   List< String> lst

 A
 B
 C

i need to add the combination of each item with other items to the list like

 A
 B
 C
 A-B
 A-C
 B-C

now i’m usign nested for loop for this.

is there any way to do this using linq?

thanks in advance

Answer 1

var sourceStrings = new List<string> {"A", "B", "C"};

var resultStrings = from a in sourceStrings
                    from b in sourceStrings
                    where a != b
                    select a + "-" + b;

foreach (var result in resultStrings)
    Console.WriteLine(result);