MVVM, which is an abbreviated form of (M)odel-(V)iew-(V)iew(M)odel is not new to you all. But there are someone who don’t know about it. If you are a Core ASP.Net developer you may know about MVC & MVP, may also know about MVVM which mainly used in WPF/Silverlight. For them, it is tough to remember about its concept.

In general in any of my discussions or presentations, I used to describe MVVM in a way which is very easier to understand and easy to recall. Hence thought, why shouldn’t I share this to you? That’s why writing this post. Read it. I hope that, you will enjoy it much while reading it fully.

In this Tips & Tricks, I will show you the steps by which you can get the Screen Resolution of Client’s PC in Silverlight Application. It is quite simple. You have to just call the HTML DOM object to receive the handle of the screen and from that you can easily get the Screen Resolution.

In my last two articles on MEF i.e. “First Guide to MEF & Silverlight (Part - I)” and “First Guide to MEF & Silverlight (Part - II)” I described about the framework with the help of a Console Application and a Silverlight Application. Hope that gave you basic idea on it and what this MEF does.

In this article I will try to give you more knowledge on MEF & it’s benefit. This time, I will again use a Console Application which will give more visibility to the underlying scenarios. Hope, like the previous articles this will also help you to understand the framework better to use it in your future need.

In my previous article “First Guide to MEF & Silverlight (Part–I)” I discussed about MEF with a small simple console application. Hope that was useful to you to understand the basic knowledge of MEF. In this article, I will guide you to create a simple Silverlight application using the MEF. If you are new to MEF, I strongly recommend you to read my previous article to gain knowledge on the basic things of MEF like Importing, Exporting, Catalog, Container etc.

Read the complete article and at the end if you have any queries, please let me know. I will try to answer them as soon as possible. Always Appreciate your valuable feedbacks.

Visual Studio LightSwitch is a new tool for building data-driven application in Visual Studio IDE. It automatically generates the User Interface for a DataSource without writing any code.

Microsoft released their first Beta of Visual Studio LightSwitch for the MSDN Subscribers. If you are a MSDN Subscriber, download it from the MSDN Subscriber Downloads Page. The expected date for the public release will be on Monday, 23rd August. Visit the Visual Studio Light Switch Blog for more information on it.

MEF is a framework to extend your application and was introduced in .Net Framework 4.0 and Silverlight 4.0. Recently I got a chance to look around the MEF with Silverlight. I found it useful in various scenarios and thus thought to do something with MEF in Silverlight.

In this article I will first discuss little about the MEF framework to give you some basic knowledge on it and then will show you how to create a small HelloMEFWorld console application step-by-step. In the next article I will use it in a Silverlight application & showcase you the feature and functionality. Read through the whole article and use this extender in your application if you need. Don’t forget to share your feedbacks and suggestions as this helps me improve my articles in greater details and present more to you.

Several times we need to sort a collection based on some property name e.g. we have an Employee collection of type Person. Person consists of EmpId, Name, Age etc. Now as an user, I need to sort the collection in ascending or descending order either by EmpId, Name or Age. So, how can I do this?

In this post, I will describe you a simple technique by which you will be easily able to sort the collection without writing the implementation for each logic. Read the complete article and at the end if you have any suggestions, please don’t forget to share. Feedbacks are always highly appreciated.

In this Tips&Tricks, I will describe about changing the location of the output of your Silverlight application i.e. the .XAP file from it’s original “ClientBin” location to a different place. Developers sometimes need to put the XAP file in a specific directory based on their requirement. This trick will help them relocating the XAP file.

Read the full post & if you have any queries or suggestions, please let me know. Appreciate your feedbacks.

In my earlier three chapters of Silverlight Tutorial, I described about “Introduction to Silverlight”, “Introduction to Silverlight Application Development” and “Introduction to Panels”. I got lots of responses & wishes from my readers for the next chapter. I know, there was a big gap between these chapters and I am really apologizing to you. Thank you for your passion. Hope, this time also I will get more responses from you. Read the complete tutorial and provide your valuable feedbacks. You suggestions/comments are highly appreciated.

In this Chapter, I will describe you about some of the most common controls used in Silverlight. After the end of this section, you will be able to understand about those basic controls and their uses. Here I will guide you to understand some of the properties of each control and how to set them from both XAML & Code behind C# file.

I was working with WPF/Silverlight since March 2008 and learnt lots of things. I wrote lots of Articles on Silverlight and published in my Blog. Today I decided to share you some of the best practices you should follow while doing development in WPF/Silverlight. Hope, this will help you guys while writing XAML codes. Read and try to strict with the guidelines whenever you are modifying your XAML.

Feedbacks are always appreciated. Hence, don’t forget to leave your comments at the end. If you have any more points, please share it here. I will review them and add those here.

Update [08-Aug-2010]: On popular demand, I updated this post with some explanation on “Why?”.