HttpCode

I was reading this MS KB article 'How to point to a custom 404 error page in Windows SharePoint Services 3.0 or in MOSS'. I thought I'd throw together a simple administrative page to pull it all together. I've packaged this up in this solution file.

Once you active the 'Manage Custom 404 Page' feature, you will get a new menu item in the Application Management page in Central Admin:

From here you get a simple page that you can type the 404 page name for the selected web application:

The code is super simple:

using System;
using System.Collections.Generic;
using System.Text;
using Microsoft.SharePoint.WebControls;
using Microsoft.SharePoint.Portal.WebControls;
using Microsoft.SharePoint.Administration;
using System.Web.UI.WebControls;

namespace SP404Handler
{
    public class SP404HandlerPage : LayoutsPageBase
    {
        protected WebApplicationSelector lstWebApps;
        protected PageLevelError pageLevelError;
        protected Button ButtonDoneOK;
        protected TextBox txt404PageName;
        protected Microsoft.SharePoint.WebControls.InputFormSection I404Section;

        protected void lstWebApps_OnContextChange(object sender, EventArgs e)
        {
            try
            {
                SPWebApplication webApp = lstWebApps.CurrentItem;
                BindData(webApp);
            }
            catch (Exception err)
            {
                pageLevelError.ErrorText = err.Message;
            }

        }

        protected void DoneButtonOkClick(object sender, EventArgs e)
        {
            SPWebApplication webApp = lstWebApps.CurrentItem;
            try
            {
                webApp.FileNotFoundPage = txt404PageName.Text;
                webApp.Update();
            }
            catch (Exception ex)
            {
                pageLevelError.ErrorText = ex.Message;

            }
        }

        private void BindData(SPWebApplication webApp)
        {
            txt404PageName.Text = webApp.FileNotFoundPage;

        }
    }
}

The source can be downloaded from here, or a complied solution from here.