Error: Cannot implicitly convert type 'void' to 'System.Collections.Generic.List'

Question

I am trying to set a property of my .ascx controls from an .aspx using that control.

So in one of my .aspx which has this control in it, I have the

Answer 1

You can't do that because the Add function returns void, not a reference to the list. You can do this:

mycontrol.ItemList = new List();
mycontrol.ItemList.Add(item);

or use a collection initializer:

mycontrol.ItemList = new List { item };