If we use Ajax or Ajax related controls then we'll find that a lot of script related requests are made to the server. Browser can request two concurrent requests to the server. For example browser may request for an image and while the image is loading the browser may request for an CSS file. But in

Few days ago our QA team was testing a web site and found a bug. So they informed me that my page is not working properly. So I went over their desk and found that my page is not setting cookie on the QA's PC (which is Windows Vista). So I thought it might be some error in my code. So I tried to fig

what is ADAM? Active Directory Application Mode is a lightweight version of Active directory. Active directory setup requires much infrastructure, investment and management. ADAM runs as non-operating system service whereas Active Directory(AD) runs as OS service. So whereas only one AD exists per

SharePoint branding is possible with either modification of default master or modification of default CSS. When we develop asp.net application we may need to change master page dynamically based on some criterion. For example in your site you have three groups of users: anonymous, authenticated norm

Introducing Certification When you get a Software Publisher Certificate (SPC) from a third party CA (say verisign)that is authorized by Microsoft to issue certificate, you actually get two files: a pvk and spc or cer file. .pvk file which contains the private key information. .spc or .cer file co

Lambda expression is parsed as tree under the hood. The lambda expression is parsed and stored as tree-shaped structure. Each node in the expression tree is represented as expression. System.Linq.Expressions.Expression class contains static factory methods that can be used to build and manipulate ex

Microsoft recently announced that they are going provide Content Delivery Network support for ajax and Jquery. This is great idea as developers can link the jquery to Microsoft site rather than including in the project. There are few benefits of this: 1. Don’t need to maintain duplicate jquery or aj

This is my first article on Google technology. I am always a fan of Microsoft technologies. But recently watching a video on Google Wave I can't help myself writing on it. I can't remember when I last astonished seeing something technically innovative. But I did so watching the power of Google Wave.

In C# roughly we can say that covariance means we can substitute derived type in place of base type. Contravariance means we can substitute base class in place of derived class (You are thinking it's not possible, right? We'll see how it's possible). To get a detail discussion on what covariance and

C# 4.0 include a new feature called Tuple. In mathematics tuple is a ordered list of specific number of values called the components of the tuple. For example a 3-tuple name may be used as: (First-Name, Middle-Name, Last-Name). Let's take a look in the following example:         public Tuple