Working with following code on DateTime AddDays operation I found end result is not the addition of days!! int increment = 5; DateTime now = DateTime.Now; //Current Date now.AddDays(increment); //Increment by 5 days Console.WriteLine( "Today's date...

Question: What are Machinekeys? On what particular keys IIS 7.x is dependent upon? Ans: IIS uses MachineKeys for encrypting data like passwords, App Pool identities which are stored in configs(applicationhost.config and web.config) By default, IIS...

As we all know that only TRUTH that will never change is CHANGE itself. Even a butterfly and a baby eventually leave the warmth of the safest, most comfortable and the only nurturing places they know, the cocoon and the womb respectively. Such is the...

Today while helping my colleague AnilKP to debug a memory leak issue for w3wp.exe. It was the perfect example to demonstrate scenario where memory leaks were self induced . Here is the complete saga End customer complained that they had noticed worker...

On IIS 6 you can disable CRL check by running following command C:\Inetpub\Adminscript\cscript.exe adsutil.vbs Set W3SVC\CertCheckMode 1 but on IIS 7 we don't have metabase.xml. Now this key has been moved to Registry http://www.asprangers.com/post...

In the changing .Net world it's difficult to keep track of version corresponding to framework. Following chart would help you to keep upto date: Read More http://www.asprangers.com/post/2012/04/01/Net-Versions-Unleashed-.aspx

One of the most common error message on IIS 7 is 500.19. For your easy reference I’m adding scenarios and resolutions http://www.asprangers.com/post/2012/04/01/Resolution-for-HTTP-50019-Errors-in-IIS-7X.aspx

Step by Step tutorials and PluralSight Videos covering MVC 3 http://www.asprangers.com/post/2012/03/31/Resources-to-learn-MVC-3.aspx Read More

Recently my colleague Ravi cleared the PMP exam. Here is the secret for clearing the exam in his own words “ I cleared the PMP exam after several sleepless nights. I am sharing my experience and I hope it will help you prepare for the PMP exam...

On 64 bit window 2003/2008 servers as soon as you give any .Net (.aspx) resource requests you would notice w3wp.exe taking large amount of memory in form of Virtual bytes. Looking in task manager we would notice W3wp.exe Process/Commit size: 380 MB...

When setting Kernel mode cache via Output Cache module in IIS7.x , you can have any of following value set kernelCachePolicy – can be DontCache | CacheUntilChange | CacheForTimePeriod | DisableCache (only in server). If you don’t want...

Probably you would heard it many times and it is quite evident from the MSDN article http://msdn.microsoft.com/en-us/library/system.drawing.aspx “Classes within the System.Drawing namespace are not supported for use within a Windows or ASP.NET...

When you have a Managed COM+ component written in C# class library and hosted on to DLLHOST.EXE By default on a multi proc box .Net would load Server Mode GC(Mscorsvr) and in case you want to change the GC flavor to Workstation Mode (Mscorwks) for some...

Yes , We're hiring again!! http://www.asprangers.com/post/2012/03/16/GTSC-India-Developers-Support-hiring-for-ASPNET-BizTalk-SharePoint.aspx Happy Job hunting!

Read it here http://www.asprangers.com/post/2012/03/08/ASPNet-4-Performance-Monitoring-feature.aspx

Read here http://www.asprangers.com/post/2012/02/29/Windows-8-Consumer-Preview-and-Visual-Studio-11-Beta-Download.aspx

New Post explaining impact of /3gb switch http://www.asprangers.com/post/2012/01/30/Win2003-Server-is-hanging-intermittently-due-to-high-NPP-(non-paged-pool)-memory-usage.aspx

New post on Stream rendering failing for PDF Excel Docs after MS11-100 patch from Aspx pages http://www.asprangers.com/post/2012/01/24/Stream-rendering-failing-for-PDF-Excel-Docs-after-MS11-100-patch-from-Aspx-pages.aspx Enjoy :)

How to Debug Handle leak (using !htrace) in w3wp.exe http://www.asprangers.com/post/2012/01/23/How-to-Debug-Handle-leak-(using-!htrace)-in-w3wpexe.aspx

New Post on the block http://www.asprangers.com/post/2012/01/20/IIS-7x-Different-ways-in-which-Kernel-Mode-Cache-would-be-flushed.aspx

Hope this helps you :) All About Security Advisory MS11-100 http://www.asprangers.com/post/2012/01/14/All-About-Security-Advisory-MS11-100.aspx Script to detect if IIS and Asp.Net is installed http://www.asprangers.com/post/2012/01/14/Script...

Helping my colleague- Mohammed on the issue where intermittently some of the asp pages start failing with Page Cannot be Displayed error. Started  looking through httperr for connection_refused error to see if its related to  Non page Pool memory...

Helping one of colleague from CWA team on the issue where browsing any static content[htm/jpg] is ending with blank white screen on the browser. That prompted me to look into IIS logs . Here we saw 500 0 1346. As the next troubleshooting step we configure...

It took me some time to figure out how to get appropriate dump on 64 bits boxes using adplus tool. Thought to share out it you: 1) You can use following CFG SCRIPT for capturing dumps StackOverFlow exception <ADPlus>    <!-- Add log...

Quickly helping my collegue-Isha in getting the count of applications in the given apppool [Crude way but it works] using Microsoft.Web.Administration API   Now the Default Website has 7 application spanned across different AppPools. I would like...