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Are you using safe Http Headers?

There are a variety of web applications out there which are relying on http headers for different purposes: automatic redirection, streaming a binary file to the client, controlling how content is cached on the client, adapting the site’s functionalities Read More...
Posted Sunday, May 11, 2008 5:02 PM by carloc | 0 Comments
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“Invalid postback or callback argument” in ASP.NET

I saw this error twice recently, but as often happens for two completely different cases so here they are, hope it helps someone to same their time… Invalid postback or callback argument. Event validation is enabled using <pages enableEventValidation="true"/> Read More...
Posted Friday, May 02, 2008 2:44 PM by carloc | 2 Comments
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When Vista denies you access to “your” files…

For my work I have two desktops and a laptop I always bring with me, and  despite all the online synchronization tools out there ( SkyDrive , FolderShare , Groove , Mesh etc…) I’m used to SyncToy to keep my important files and folders updated across Read More...
Posted Thursday, April 24, 2008 10:21 PM by carloc | 1 Comments

Missing ASP.NET Tab in IIS Management Console (the solution)

Remember this problem ? Well, Tom (and Jeremy and Vandana) has a solution     Carlo Quote of the day: There is no abstract art. You must always start with something. Afterward you can remove all traces of reality. - Pablo Picasso Read More...
Posted Wednesday, April 23, 2008 12:13 PM by carloc | 1 Comments
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Disable recycling in IIS 7? Use AppCmd

I stumbled on this while trying to repro a remote debug problem for a customer: as you might know from this post from Johan, debugging ASP.NET on IIS7 needs some special care about the application pool recycling policy otherwise if you’ll not be fast Read More...
Posted Tuesday, April 22, 2008 4:00 PM by carloc | 1 Comments
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Blog title context (reloaded)

As my fond readers might remember, I already rambled about the possibility of changing the blog title last year ; nothing has really changed since that post, except the fact that every now and then I’ve been playing with the idea but at last I always Read More...
Posted Monday, April 21, 2008 1:58 PM by carloc | 1 Comments
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Share Favorites across different users on the same machine

If you have a dual boot machine like me (I installed Vista and Windows 2008 on one of my desktops in office) and you’re tired of synchronizing your Favorite folders like I was, here’s a quick trick: open the registry editor (as usual be careful!) Read More...
Posted Thursday, April 17, 2008 7:33 PM by carloc | 1 Comments
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Again on public hotfix download

I already touched the subject in a couple of previous posts and replying to direct comments and question I got, and to confirm that we’re doing something (hopefully in the right way ) on this matter I want to highlight this news from Jeff: Migrating hotfixes Read More...
Posted Tuesday, April 15, 2008 11:21 AM by carloc | 3 Comments

Impersonation and remote shares

Let’s say you developed an ASP.NET application the assemblies are hosted on a network share: if you try to get the authenticated user using System.Environment.UserName you’ll get the account configured to access the network share in IIS ( Read More...
Posted Monday, April 14, 2008 9:01 PM by carloc | 1 Comments
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Very slow TreeView in UpdatePanel

This is what we got couple of weeks ago: an Ajax enabled ASP.NET web application was using a TreeView control within an UpdatePanel to show a complex tree of hierarchical data (the sample we got had more than 2.000 nodes with varying degrees of nesting). Read More...
Posted Monday, April 14, 2008 12:05 PM by carloc | 3 Comments

MaxConnection does not have effect on ASP.NET 2.0

An interesting change which you might have missed in .NET 2.0 is about the autoConfig setting for the <processModel> element. The customer was running out of available connections while accessing a remote web service and was trying to apply what’s Read More...
Posted Monday, March 31, 2008 4:06 PM by carloc | 0 Comments
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Web Garden, AppDomain, statics… when Sql Server is not enough to save your session

Things have gone a bit crazy lately, we’ve been under a huge workload and the time left for blogging was virtually non existent… but the good thing is that I’ve been working on a few interesting cases I hope I'll have time to blog about, Read More...
Posted Sunday, March 30, 2008 10:34 PM by carloc | 1 Comments
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And when you think there's nothing left to do... you can still debug live

There are circumstances where taking a dump is not possible or simply not convenient; imagine a situation where you're hunting a nasty exception you don't know where it comes from and you need to follow some complex steps to get there, or when you have Read More...
Posted Saturday, March 08, 2008 7:45 PM by carloc | 1 Comments
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Unable to use SQL Server because ASP.NET version 2.0 Session State is not installed on the SQL server

I run across this error today while setting up a repro for a problem I'm working on; the first time I through I did something wrong between the mess of things which case across my hands today (maybe I've used the wrong .sql script? ), but after removing Read More...
Posted Wednesday, March 05, 2008 8:47 AM by carloc | 2 Comments
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Version numbers in a compiled assembly

A while ago I got a call from a customer who wanted to understand what is the meaning of the version number's in a compiled assembly and more than that, he wanted to understand how they are calculated. He expected that at least the build number were incremented Read More...
Posted Friday, February 22, 2008 9:27 AM by carloc | 1 Comments
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