CustomHeader

CustomHeader.cs

using System;
using System.Web;

namespace CustomHeader
{
    /// <summary>
    /// Add Custom Header
    /// </summary>
    public class Class1 : IHttpModule
    {
        private HttpApplication App;
        private string HttpResponseBody;

        public void Init(HttpApplication context)
        {
            App = context;
            context.PreSendRequestHeaders += new EventHandler(OnPreSendRequestHeaders);
        }

        private void OnPreSendRequestHeaders(object sender, EventArgs e)
        {
            SetProductBanner(); // Add product header

        }

        public void SetProductBanner()
        {
            AddHeader("X-Powered-By", AssemblyInformation.Name + "/" + AssemblyInformation.Version);
        }

        public class AssemblyInformation
        {
            public static readonly string Name = "CustomHeader";
            public static readonly string Release = "Beta";
            public static readonly string Version = "1.0.0.0";
        }

        private void AddHeader(string field, string value)
        {
            HttpContext.Current.Response.Headers.Add(field, value);
        }

        public void Dispose()
        {
            HttpResponseBody = String.Empty;
        }
    }
}