Question

I am trying to move listbox items between two listboxes.Before that i created two arrraylists for each listbox.so before moving the listbox item i am trying to add the items to the arraylist. here is the code

 foreach (string st in listbox1.Items)
            {
                arraylist1.Add(st1);
            }

but i am getting an exeption Unable to cast object of type ‘System.Web.UI.WebControls.ListItem’ to type ‘System.String’.

Answer 1

foreach (string st in listbox1.Items) should be

 foreach (ListItem st in listbox1.Items) 
           // your code