Its a common requirement that we require a captcha to be integrated on our page. I would like to mention a free captcha service which can be implemented in integrated on websites. What is reCaptcha? reCAPTCHA is a free CAPTCHA service that helps to digitize books, newspapers and old time radio shows. It’s Free! Yep, […]

What is JSON? JSON (Javascript Object Notation) is a light weight data interchange format. JSON is a subset of the literal object notation in JavaScript. It can be compared to XML but parsing of JSON is very much easier than XML data. It is a text format of data and is programming language independent. In […]

Problem Statement In older versions of ASP.NET, When we select any row in a GridView or ListView controls, the selection is based on the row index of the page. For example, If we select row no 3 on page 1 and then move to page 2, we will see row no 3 again selected on […]

The Model View ViewModel (MVVM) is an architectural pattern used in software engineering that originated from Microsoft as a specialization of the Presentation Model design pattern introduced by Martin Fowler. Largely based on the Model-view-controller pattern (MVC), MVVM is targeted at modern UI development platforms (Windows Presentation Foundation and Silverlight) in which there is a […]

We already have been visualizing the earth on our desktops for quite a long time now. Thanks Google Earth and Bind maps. Ever wondered if we could visualize space this way as well? Imagine taking a close look at a stars or galaxies like Milky way right from your desktop? Or even taking a view […]

Nullable type in C# We can declare a variable as nullable when we want to know that a value has been assigned to that variable or not. Declaring a variable as nullable enables the HasValue and Value members. We can use the HasValue property on the variable to check if the value has been assigned […]

Below are some of the tips for SQL query optimizations in the form of question/answers. 1. Which of the following query is the most optimized? a. SELECT column_name FROM table_name WHERE LOWER(column_name) = ‘name’. b. SELECT column_name FROM table_name WHERE column_name = ‘NAME’ or column_name = ‘name’. c. SELECT * FROM table_name WHERE LOWER(column_name) = […]

Shocked? But yes its true. Microsoft has already planned for Windows 7’s successor(s) which are in the early stages of development. Based on the information on the LinkedIn profiles of the Research team of Microsoft and the resumes floating on the internet it has been a matter of fact that Windows 8 will be having […]

Big question today: What is the scope of .NET and J2EE platforms. Which one is more dominant in industry today? I want to answer this question in this post with my viewpoint with no intentions of hurting anybody but with a sole intention of increasing the knowledge of J2EE for .NET people and .NET for […]

C# 3.0 introduced a very compact way of initializing objects of a class. Previously we used to initialize objects like this: Now, with the new feature known as Anonymous Constructors or Object Intializers we can do the same code in C# 3.0 and above like this: In the C# 3.0 code, there is no constructor […]