Gridview not populating while using a While() structure. C# ASP.Net

Question

I am having problems with this grid view. I am populating it with a query. However, it will not populate or even appear if I use a while(reader.Read()) structure. Without the

Answer 1

How about this:

using (myConnection)
{
   myConnection.Open();
   DataSet ds = myCommand.ExecuteDataSet();

   //Binds listbox
   grdEvents.DataSource = ds;
   grdEvents.DataBind();                    
}
ForEach (DataRow dr in ds.tables[0].rows)
    myList.Add(new TicketInfo{TicketCost = Convert.ToDecimal(myReader["TicketCost"]),NumTickets = Convert.ToInt32(myReader["NumTickets"])  });