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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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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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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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Code Access Security hosting control in IE

PROBLEM You have a Windows Forms component hosted in Internet Explorer, and you want to catch events raised by this control from client side scripting; to avoid security errors at runtime, the control must have "Allow calls to unmanaged assemblies" permission. Read More...
Posted Wednesday, November 01, 2006 6:51 PM by carloc | 12 Comments

Http compression and WinForm controls as legacy ActiveX

The following is the summary of a couple of cases I worked on a while ago, there are some details which I'll need to investigate thoroughly... anyway those are the facts so far. PROBLEM DESCRIPTION =================== I have a rich WinForms UserControl Read More...
Posted Saturday, September 09, 2006 12:28 AM by carloc | 3 Comments
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