how call method without return-type in linq?

Question

i like to call a method without return-type in linq or in extension methods in linq? Here my class i have situation line this

Class A
{
   int i;
   public int K
   {
     get { return i; }
     set { i = value; }
   }
   public void calculate(int z)
   {
     this.k=z;
   }
}

i like to do like this

List<A> sam = new List<A>();
//add elements to this list
var c = sam.Select( s => s.calculate(4) );

this sample only , i like to do like this for my purpose.

Answer 1

You should use List<T>.ForEach here.

sam.ForEach(s => s.calculate(somenumber));

I think you use .Select in your question because you want to get the results(all the instances of A after calling calculate). You can get them directly by the variable sam. ForEach modifies each elements of sam, and the "changes" are applied to the list itself.