My ramblings on ASP.NET and IIS

Quick post on two new issue on the block related to Debugging/Breakpoint in Visual Studio 2008 After installing VS2008 SP1 , single stepping through code does not work, misses break points and generally, it is unpredictable and unusable.  It will...

Following my previous post after uninstalling IE 8 from the my Dell Vista Laptop and restoring back to IE 7  was of no help. IE 7 was also crashing as soon as I start typing URL in the address bar after opening where as Firefox crashes on opening...

On my home Vista laptop I got a weird problem with IE8 may be due to some malwares.Whenever I try to open IE 8 it prompts me ‘your last session closed unexpectedly ‘ blah blah . Clicking on either of option provided.It crashes iexplore.exe Fastest solution...

<Snip> When there is more than 1 server in web farm scenario it is an obvious choice to go for session out-of-proc either with SQL server or State server. While storing session with SQLServer if you see issues with SQL deadlock during peak loads...

Today using Logparser for parsing the ETL file.I did spend some time on filtering it right way to see the activity for specific time frame. Thought to share with you. In ETW file we’ve TimeStamp column that contains value like "2009-07-31 13:34:42"...

<Snip> Procdump is a light weight Sysinternal's command-line utility whose primary purpose is monitoring an application for CPU spikes and generating crash dumps during such spikes which an administrator or developer can use to determine the cause...

Quickly helping  one of colleague where after restoring applicationhost.config from the back up on win2k8 IIS 7 we started receiving 503 Service Unavailable on the browser. As the very first step was to check event viewer where we had the following...

This week I wrote new blog post on our team blog webtopics which talks about above error and reason for it .. Check it out here here : http://blogs.msdn.com/webtopics/archive/2009/07/27/uploading-a-file-using-fileupload-control-fails-in-ie8.aspx Till...

While working with classic ASP on my Vista IIS 7 box.I encountered two different problems: Firstly if you migrated your applications to IIS 7 or developing your new asp application and on browsing the asp page if you encountered error like 404.3 “ HTTP...

This week I wrote new blog post on our team blog webtopics which talks about above error and reason for it .. You can visit here : http://blogs.msdn.com/webtopics/archive/2009/06/19/intermittently-system-web-httpexceptions-a-field-or-property-with-the...

Working today on my Vista when I Added New Virtual Directory from IIS manager pointing to newly created folder on Desktop and upon browsing it ended with 500.19 on browser Next thing came in my mind was to compare permission on new folder on Desktop(even...

While setting up repro for one of the customer on my Vista IIS 7.I ran into couple of issue(i’ll post both) of my own.My application gave up with "Service Unavailable" "HTTP error 503" No matter whatever I browse .htm , aspx everything...

In 3 years at PSS I've worked on many issues related Dynamic Control i.e 1) Controls not able retain value on postback. 2) Controls getting disappeared on postback 3) Event handler not fired on first click works fine on second click 4) Viewstate issues...

We can either use ADSI,WMI,JScript etc ... to query IIS 7 config like how many website, virtual directories.Lately we have another option to use Microsoft.Web.Administrator namespace either from Web app or from Powershell. At the root level we've class...

Today while working on vista IIS 7 and I was trying to delete  one of module named as CustomErrorModule for Default Web Site and immediate I was notified with this nice error.   And this seem to be happening only with Modules which are...

Helping one of mate in our team with issue where Asp.net application was failing with System.Security when contents were pointing to UNC path.We were getting following error in the browse: Parser Error Message: Request for the permission of type 'System...

Worked on second case in a row where Visual Studio was hanging when we click on Design View.It would take 45-60 second to respond. First thing was to check if VS 2008 SP-1 was installed because they were couple issue related to Design view slow performance...

Let say you have generated New Certificate request( certreq.txt ) from IIS manager and would like process that pending request later when you get back certificate file from the third party vendor Certificate Authority. Getting back certificate You were...

Recently worked on a problem where Asmx Post request fails with 'HTTP 400' status code under the following circumstances : When the size of the string parameter passed from the client application (Content-Length)> 1024 Bytes and the file is set for...

. NET CLR Memory\# Induced GC – This is the number of garbage collections that have occurred as a result of someone explicitly calling GC. By default: 0 is the ideal no. for it. Here are the possible reasons incase you see increase no. "# induced GC"...

Recently worked on interesting case where internal IP address was revealed whenever we try to query through wfetch tool Request Flow ========== Client -> ISA -> IIS 7 x.x.x.30 ->x.x.x.10-> x.x.x.20 We have DNS installed on ISA server, having...

Why you need to know this: To figure out what kind of browser(IE, Firefox, Safari) requests are coming for your application. So that you can make sure your application is compatible with that browser type. IIS 6 Log You can put the following into *.bat...

Lately, have worked on issue where most of threads were hooked up same call stack . Question pop up in my mind how many of thread are effected in total or having msxml3!CXMLHTTP::send in it. MS Excel spreadsheet came to rescue. From windbg get call stack...

In the changing .Net world it's difficult to keep track of version corresponding to framework . Following is compiled list of .Net Version till 4.0 1.0 === .Net Framework 1.0 RTM ===> 1.0.3705.0 .Net Framework 1.0 SP-1 ===> 1.0.3705.209...

Working with JScript file on Vista box , did noticed diffrence where bWaitOnReturn property is not working as expected. Syntax WshShell.Run (strCommand, [intWindowStyle], [bWaitOnReturn]) bWaitOnReturn : Wait for the command to complete before...