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Saturday, June 06, 2009 7:48 PM

My First Silverlight Behavior

Blend/Silverlight 3 introduces a new powerful feature – Behaviors. Behaviors allow designers to take advantage of new levels of interactivity declaratively, without writing code. In short, a behavior is a reusable piece that encapsulates some functionality
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Monday, May 25, 2009 9:13 PM

The marvellous SPList.RenderAsHtml

One of these days a customer asked me if there was an easy way to build a Web Part that would be able to switch between the list views, and also wanted it to look and feel like a view of any list in Sharepoint . The first thing that crossed my mind was
Posted by ptadcs | 1 Comments
Tuesday, May 19, 2009 10:38 AM

Object variable or With block variable not set: how to eradicate these tongue-twisters haunting from the past

In a perfect world, computer applications would be syntactically and semantically correct and complete, thus exhibiting no errors nor flaws. Ours is not a perfect world, though, and even worse is that a significant part of those computer applications
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Thursday, May 07, 2009 4:10 PM

How to Enable IE 8 Compatibility View for your whole Web site or for specific Web site directories

With the release of Internet Explorer 8, many customer sites suddenly had rendering errors and problems displaying the site correctly. http://www.microsoft.com/windows/Internet-explorer/default.aspx In order to avoid expensive and time consuming corrections
Posted by ptadcs | 2 Comments
Friday, April 24, 2009 6:15 PM

Silverlight and "Cover Flow" – Revisited (Part III)

On my previous post I wrote about the complexity of implementing perspective projections with Silverlight 2 since it only supports 2D affine transforms . Well, as you surely already know by now, with Silverlight 3 you’ll be able to apply 3-D projections
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Monday, April 13, 2009 11:11 AM

Reusing web user controls

“Why”? With this post I want to demonstrate how to reuse Web User Controls in multiple web projects to avoid the duplication of code and interface. How many times many of us needed a Web User Control created in another web project, and use it directly
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Monday, April 06, 2009 11:41 AM

Rui Veloso

Name :Rui Pedro Henriques Veloso Skills : .NET Development Windows Sharepoint Services 3.0 Microsoft Office Sharepoint Server 2007 Microsoft SQL Server 2005 Application design and architecture Hobbies : In my spare times I enjoy playing soccer with friends,
Posted by ptadcs | 2 Comments
Wednesday, April 01, 2009 5:52 PM

HTTP Error 401.5 – Unauthorized: a very plausible scenario

Recently, my customer started complaining that an externally-facing web site was not working properly. Apparently no changes had been made to the web site… This is very common in the field: nothing happens and software starts decaying in what seems to
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Wednesday, March 25, 2009 11:02 PM

Where can the new Ignoreisactive Parameter for the STSADM Sync Operation be used?

After the Microsoft Office SharePoint Server build 12.0.6314.5000, the stsadm Sync operation introduced a new parameter – “ignoreisactive”, specially designed for the issue described in the following article: http://support.microsoft.com/default.aspx/kb/952683
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Wednesday, March 25, 2009 1:18 PM

Authorization Manager … Why not?

One of this days, when I was just talking with some of my colleagues we start wandering about Authorization mechanisms, and rapidly they evolved to all sort of techniques. They talk about COM+ Roles, they talked about ASP.NET Roles, they talked about
Posted by ptadcs | 1 Comments
Wednesday, March 18, 2009 7:41 PM

Under the hood with live debugging

Often, i get the question on how to see what the framework is doing, how to set breakpoints, do live debugging in order to understand what is under the hood. So, I decided to write on the subject and about the approach I usually take when doing live debugging
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Wednesday, March 18, 2009 6:27 PM

Yet another Death by the ViewState – Part II

It´s been a while since my post on ViewState. This is just a update about the article i mention that everyone should read to truly understand what viewstate is all about. http://weblogs.asp.net/infinitiesloop/archive/2006/08/03/Truly-Understanding-Viewstate.aspx
Posted by ptadcs | 1 Comments
Thursday, February 19, 2009 8:55 PM

Silverlight Concepts Samples

Yesterday I made a presentation entitled “Best Practices in Silverlight 2 (Intro)” where I showed several small samples to illustrate the concepts I wished to expose. Some listeners asked me about the samples source code and I agreed to publish it. You
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Tuesday, January 20, 2009 5:01 PM

Adapting SQLDiag to your needs

Often times, our team is confronted with SQL Server performance issues and in most of those times, the issues are due to locking and blocking in heavily loaded scenarios. As such, our typical approach consists in gathering a SQL Server Profiler trace
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Wednesday, January 14, 2009 9:52 AM

Making Dependency Injection your friend

Imagine…You are happily in the final steps of your project, and suddenly the client “decides” that the logging mechanism that you development in your Solution does not met the requirements of their processes, instead of the good old Enterprise Library
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