Index was outside the bounds of the array.

at System.Collections.Generic.List`1.Enumerator.MoveNext() at NTTHAO.Web.BL.CommonPage.CommonMenu.GetDefaultChildMenu(Int32 groupID, Int32 parentID) at NTTHAO.CommonWeb.CommonUserControl.GetRootMenu() in c:\webspace\bacs.vn\httpdocs\App_Code\NTTHAO\CommonWeb\CommonUserControl.cs:line 278 at Sites_Template_Webparts_Pages_Default.Page_Load(Object sender, EventArgs e) in c:\webspace\bacs.vn\httpdocs\Sites\BAC\Webparts\Pages\Default.ascx.cs:line 38