Question

i have designing in my web page. i have use timer control in asp.net .the error are occur
how to clear error how to run the timer

My code

 public partial class _Default : System.Web.UI.Page 
  {
    protected void Page_Load(object sender, EventArgs e)
    {

    }
  }

 public interface IScheduledItem

{

void AddEventsInInterval(DateTime Begin,
         DateTime End, ArrayList List);

    DateTime NextRunTime(DateTime time);
}

the error
he type or namespace name ‘ArrayList’ could not be found

Answer 1

Add a reference to System.Collections to your project, and a using statement for System.Collections.