March, 2011

Webcast: Brief introduction to Windows Identity Foundation

This is my first webcast on Windows Identity Foundation (WIF) and it will give you brief overview of this technology. I will tell you about how I found WIF, what is claims-based authentication, what tools are available and how you can use WIF in your systems. This is no-code overview and you can expect demos and code from my next WIF webcasts.

Programming Windows Identity Foundation

Programming Windows Identity Foundation by Vittorio Bertocci is right now the only serious book about Windows Identity Foundation available. I started using Windows Identity Foundation when I made my first experiments on Windows Azure AppFabric Access Control Service. I wanted to generalize the way how people authenticate theirselves to my systems and AppFabric ACS seemed to me like good point where to start. My first steps trying to get things work opened the door to whole new authentication world for me.

Debugging SecurityTokenServiceApplication

SharePoint 2010 security token service application is not in debug mode by default and doesn’t expose any problems out from service. This makes ULS logs practically unusable because they give you no idea about problems in token service. To get information running you need to turn on exception details. Here is how to do it.

Could not find any resources appropriate for the specified culture (or the neutral culture) on disk

When you are building site definitions with localization support you may get the following error when creating new site: Provisioning did not succeed. Details: The site template was not provisioned successfully. Delete this site collection in Central Administration, and then create a new site collection. OriginalException: Could not find any resources appropriate for the specified culture (or the neutral culture) on disk.

ASP.NET: Building tree picker dialog using jQuery UI and TreeView control

Selecting things from dialogs and data represented as trees are very common things we see in business applications. In this posting I will show you how to use ASP.NET TreeView control and jQuery UI dialog component to build picker dialog that hosts tree data.