Concatenate multiple IEnumerable

Question

I\'m trying to implement a method to concatenate multiple Lists e.g.

List l1 = new List { \"1\", \"2\" };
List

        

Answer 1

If you want to make your function work you need an array of IEnumerable:

public static IEnumerable Concartenate(params IEnumerable[] List)
{
    var Temp = List.First();
    for (int i = 1; i < List.Count(); i++)
    {
        Temp = Enumerable.Concat(Temp, List.ElementAt(i));
    }
    return Temp;
}