public class MvcProfilerGlobalAttribute : ActionFilterAttribute{//...}protected void Application_Start(){    //...    GlobalFilters.Filters.Add(new MvcProfilerGlobalAttribute());}public class MvcProfilerGlobalAttribute : ActionFilterAttribute  {      public override void OnActionExecuting(ActionExecutingContext filterContext)      {          var httpContext = filterContext.RequestContext.HttpContext;          var httpRequest = httpContext.Request;          var inputStream = httpRequest.InputStream;          var requestBody = new StreamReader(inputStream).ReadToEnd();          inputStream.Seek(0, SeekOrigin.Begin);          }public class ProfileData   {       public string Url { get; set; }       public string RequestData { get; set; }       public string ResponseHttpStatusCode { get; set; }       public string RequestHeaders { get; set; }       public string ResponseHeaders { get; set; }       public string QueryStringData { get; set; }       public string ClientIp { get; set; }       public DateTime StartTime { get; set; }       public DateTime EndTime { get; set; }   } public class ProfilerContext : IDisposable   {       private readonly IProfilerLogRepository repository;       private const string ProfilerItemKey = "DEVELOQPROFILER";       private readonly Guid profilerContextIdentifier;       private readonly DateTime started;       public ProfileData ProfileData { get; private set; }       public ProfilerContext() : this(new InMemoryProfilerLogRepository()) { }       public ProfilerContext(IProfilerLogRepository repository)       {           this.repository = repository;           profilerContextIdentifier = Guid.NewGuid();           started = DateTime.UtcNow;           ProfileData = new ProfileData();       }       public void Persist()       {           repository.Add(ProfileData);       }       public void Dispose()       {           Persist();       }       public static ProfilerContext Current       {           get           {               var context = HttpContext.Current;               if (context == null) return null;               InitCurrentProfiler();               return context.Items[ProfilerItemKey] as ProfilerContext;           }           private set           {               var context = HttpContext.Current;               if (context == null) return;               context.Items[ProfilerItemKey] = value;           }       }       private static void InitCurrentProfiler()       {           var context = HttpContext.Current;           if (context == null) return;           if (context.Items[ProfilerItemKey] as ProfilerContext != null) return;           Current = new ProfilerContext();       }   }public interface IProfilerLogRepository    {        void Add(ProfileData profileData);        List
     
       GetAll();    }public class InMemoryProfilerLogRepository : IProfilerLogRepository    {        private static List
      
        profileLogs;        public InMemoryProfilerLogRepository()        {            if (profileLogs == null)                profileLogs = new List
       
        ();        }        public void Add(ProfileData profileData)        {            profileLogs.Add(profileData);        }        public List
        
          GetAll()        {            return profileLogs;        }    }