dejan's Blog Posts

Growing our web site projects lead us to opportunity for a lot of errors and exceptions which make headaches for developers. Errors are part of the developers life so any kind of systematic approach to handling all mistakes with some effective mechanism...

Let's make a short overview. Everything has started during the 90's, text based browsers. At that time I was a student, looking for new challenges. MTV, NBA... I've remember my first modem with 9.6kbps, first visual designs, my first Internet...

The most important thing when you are developing an application is actually the debugging process. If we are talking about WCF, tracing should help developer to debug WCF service by logging all operations on the service. How to enable trace Open the config...

When we design our enterprise application, we need to provide a great scalability, performance, throughput, transactions, reliability etc. Sincerely there is no one-fit solution to solve all our needs, but WCF can help us solving all those architectural...

Everyone who knows Kerberos will agree that it is still one of the most secure authentication mechanism but at the same time it is the dubious task to configure Kerberos authentication because his complexity and presents a difficult task to undertake...

Bindings in WCF are used to specify the transport, encoding, and protocol details required for clients and services to communicate with each other. It uses bindings to generate the underlying wire representation of the endpoint, so most of the binding...

It's nice to see that my favorite XSD designer is back after installing Visual Studio 2008 SP1. For those who are not in the game, read on my previous article about Visual Studio 2008 XML tools . First of all, I have noticed that my Server Explorer...

After submitting request before few weeks to allow me an access to the Windows Azure Services , Microsoft sends me an email with all necessary details on how to explore this new platform for developers. First thoughts on Azure were that this is another...

It’s obvious that every software is something breakable if we planning to improve it with a new version and the same story is with our WCF services which can evolve over time. In this article, I’ll gave you few advices on dealing with different versioning...

This post is just a note for those who have not experienced WCF, REST, GET method and Internet Explorer in combination or AJAX, GET method and Internet Explorer again. Actually the problem is that the browser is greedy for caching and If you use a GET...

This tool takes a WCF trace file and a WCF client proxy, or a WCF interface contract, and generates a unit test that replays the same sequence of calls found in the trace file. The code generated is easily modifiable so that data variation can be introduced...

Using WCF application that has an HTTP binding often needs ability to monitor exact messages that are being transmitted. If you don’t like to use WCF message tracing and logging feature , you can try the alternative more accurate and easier way to capture...

Good news Maybe you have noticed that there are few changes in Visual Studio 2008 XML related tools, but however here is the list of changes: Fully supported IntelliSense Using of code snippets when editing XML, XSLT, XSD … Schema cache and Schema...

Few year ago, when I was being an ASP.NET enthusiast, I had to deal with the problem known as hop the credential over servers. It looks that this problem still is the major pain for the most of ASP.NET developers, because many of them so often asks me...

HTTP as a protocol is a request/reply communication mechanism which means that the server respond only if it is initiated as request from the client. Because of this nature of the HTTP protocol, some tricks are needed to make it look like a duplex transport...

WCF as part of the .NET Framework supports different OS platforms, providing accessibility over many protocols including HTTP, TCP, IPC and MSMQ. But not every WCF host support the entire suite of protocols which limiting your options at times. Beyond...

Great news for all developers who want to integrate their applications with Live services, including SkyDrive for operating with documents and pictures in the cloud. SkyDrive is a key part of the “device cloud” concept letting you use 25GB for easily...

Starting with this post I'm beginning a series of posts related with the Windows Communication Foundation (WCF) and integration with different Microsoft technologies such as Windows Workflow, Message Queue, Enterprise Services, Silverlight, Microsoft...

Whenever you are going to map user identity to a Windows identity using the certificate in WCF development, there's no active mapping from the client certificate to a Windows account. You can enable it by setting mapClientCertificateToWindowsAccount...

LINQ to Active Directory implements a custom LINQ query provider that allows querying objects in Active Directory. Internally, queries are translated into LDAP filters which are sent to the server using the System.DirectoryServices .NET Framework library...

If you are interested, here is a sneak peek on top ten technologies in Microsoft Research by Network World. Take a look at parts in this article for Oslo and Visual Studio 2010 as one of top projects there, it’s more than obvious that there is a bright...

If you try to deploy Silverlight2 on a production web server, all you can see is nothing more than blank canvas. The problem is that the web server is not set up to handle the .xap file extension that Silverlight2 uses to encapsulate the code for the...

Nice overview on S+S strategy, and why it’s far superior related to Software as a Service (SaaS). Take a look on this 4 minutes video . video.aspx?vid=0c9021e8 eb39 4a82 9120 0adfc2302515 As additional info, you can reach the following materials...

For the fans of Entity Framework, there are few available ADO.NET providers supporting the Entity Framework beta 3 such as: Core Lab (Connectivity to Multiple Data Stores) - Their provider includes connectivity to Oracle, MySQL, PostgreSQL and SQLite...

SQL Caching is nothing new to the ASP.NET world, but SqlCacheDependency class definitely makes .NET 2.0/3.x great development platform in combination with SQL Server. It does a brilliant job of illustrating how various Microsoft products integrates together...