Showing posts with label SilverLight. Show all posts
Showing posts with label SilverLight. Show all posts

Thursday, March 28, 2013

Faster Databinding in WPF and Silverlight using OptimizedObservableCollection


ObservableCollection is a core piece to most WPF or Silverlight applications. It aligns perfectly with the MVVM pattern that is very popular in XAML based applications these days. For example binding a ListBox's ItemsSource to an ObservableCollection give's the WPF or Silverlight databinding engine the ability to listen to the change events that ObservableCollection offers whenever an item is added or removed to the list. This makes it very simple for the developer, in their ViewModel they just add or remove items as they wish and the UI updates itself. Magical!


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Wednesday, March 27, 2013

Windows Store Apps: A Guide for WPF and Silverlight Developers, Part 1


Windows Runtime, or WinRT, is the new Microsoft framework for building Windows Store apps targeting Windows 8. Windows Runtime supports development in C#, Visual Basic .NET and C++ as well as JavaScript. Windows Store apps run on both x86, x64 and Windows RT platforms without modification. These apps can run on both tablets and Windows 8 desktop computers. Windows Store apps can't run on Windows Phone 8, however. You can write apps for Windows 8 and Windows RT that share code and look the same to users on each device because each has a Windows Runtime, a core CLR and similar XAML UI vocabularies; but you still need to build them as two different apps and publish them to two different stores: the Windows Store and the Windows Phone Store. Because of the differences in the APIs, you'll also need to modify and adapt some code—UI design in particular—to the different form factors and resolutions. This article is the first of two I'm writing for Windows Presentation Foundation (WPF) and Silverlight developers who are creating Windows Store apps. This first one is more theoretical, whereas the second is more practically oriented. In this first article, I explain some of the new features in Windows Runtime andthe most common differences you'll encounter when transitioning to Windows Store app development, coming from a world of either Windows Phone 7, WPF/Silverlight or even traditional .NET development. (For a comprehensive list of changes, see the .NET for Windows Store apps overview.)


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Windows Store Apps: A Guide for WPF and Silverlight Developers, Part 2


This is my second article for Windows Presentation Foundation (WPF) and Silverlight developers who want to start creating Windows Store apps without compromising on architecture. I assume you've read Part 1; this article continues where that one left off and is a lot more practical than the first. The bulk of this article consists of two tutorials: one for setting up a new project using the Model-View-ViewModel (MVVM) pattern and one for using MVVM navigation. Before getting to the tutorials, however, I want to briefly review some of the key concepts of the MVVM pattern. To get the most out of this article, you should have some knowledge of the MVVM pattern. (Those of you familiar with MVVM can skip right to the tutorials.) If you want to know about MVVM in more detail than what I provide, you can easily find a wealth of information on the Web. MVVM is a common and popular pattern used in developing apps for WPF/Silverlight, Windows Phone 7 and Windows Store. The MVVM pattern is all about cleanly separating the view, its logic and the model in order to create an architecture that is maintainable, scalable and testable. The following sections describe the various components of MVVM.


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Tuesday, March 26, 2013

What’s New in NetAdvantage for WPF & Silverlight 13.1


It was barely more than a year ago that I joined Infragistics as Senior Product Manager, and here I am, already writing about a third exciting release since I started working here. Signed, sealed & delivered. Well, almost delivered. The release is done and our official launch is in mid-April. I'm here today to tell you more about all the XAML goodness in this release. Our Engineering, Quality Engineering and product Guidance teams have been hard at work for the past 6 months, and this release doesn't disappoint.


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Tuesday, March 19, 2013

Silverlight: close Popup on click outside


This was a hard one. One of the things that is very much missing in Silverlight is closing a Popup upon clicking outside of it. This is implemented as StaysOpen (true/false) in WPF, but is very much missing in Silverlight Popup. I wanted to make it as simple as possible, without any dependencies on other dll, and support binding changes. so an attached property was the way to go.


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Monday, March 18, 2013

RadDiagram for WPF and Silverlight - What's new and improved in Q1 2013


Probably one of the largest tasks we implemented was wrapping most diagramming user interactions in services which can be accessed and modified to meet different custom scenarios and requirements. You can find a list of the diagramming services in our documentation but if you'd like to examine a real-life scenario implementation that modifies the default behavior of the diagramming services, you can do so by checking out the CustomServices example in github.

✔ Read More...

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Sunday, March 17, 2013

Silverlight Dynamic Themes


In this article, we'll see how to create a truly dynamic Silverlight themeable application. In order to be able to build the companion project, you'll have to meet the following requirements..


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Tuesday, March 12, 2013

Performing Select, Insert, Update and Delete with ease in Silverlight 4 using WCF RIA Services


The main idea behind this article is to learn performing the basic database operations in Silverlight 4 using the WCF RIA services. I have been searching the internet for any article which performs these CRUD operations but every article I get was only using the Datagrid control to execute this. So I decided to write an article which helps understanding it in more easy way by writing the code from scratch. By the end of this article you will find yourself very comfortable in interacting with database in Silverlight 4.


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Plotting Circular Relationship Graphs with Silverlight


I've been a big fan of Stack Overflow, ever since I started using the site just over a year ago. Not only is it a great resource for finding answers to your programming questions – it is also a fascinating insight into the languages, tools and frameworks that are currently being used by developers. I thought it would be a bit of fun to create a graph which illustrated the popularity of each tag, together with the relationships it has to other tags and the strength of these relationships.


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Multiple-Selection ComboBox for Silverlight


ComboBox is a widely used control. Sometimes, we want to go beyond its default capability, such as multiple-selection. In this article, I will walk through with you how to create a multiple-selection ComboBox for Silverlight. The same approach applies to WPF. I will use Expression Blend for design. It is efficient to use the Blend to create a resource skeleton; and you can use either Blend or Visual Studio to edit the code.


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Thursday, March 7, 2013

Fast and Awesome : Telerik RadSpreadsheet


The first release of 2013 is already a fact and as you may already know it brings some exciting new additions to our WPF and Silverlight suites. One of them is our long-awaited spreadsheet component. If you wonder what it would be like, what you are to do with it, this blog post may just be the answer to your questions. So let me introduce to you RadSpreadsheet.

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Wednesday, March 6, 2013

Dynamic columns in the Silverlight DataGrid


New job and new things to learn. How cool is that? I've been working on a Silverlight page that should display a grid. There is nothing exciting in that except the fact that the grid had to have dynamic columns depending on data that is coming to the grid. Let put some imaginary context into that. Assume you have sale summary to display and you want it to look like that.


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C#,.NET,Architect,Intermediate,VS2010,.Net,Articles,Computer Tutorials,Silverlight,DataGrid.Silverlight DataGrid,Dynamic Column in DataGrid,Dynamic columns in the Silverlight DataGrid

Monday, February 25, 2013

Windows Store Apps: A Guide for WPF and Silverlight Developers


Windows Runtime, or WinRT, is the new Microsoft framework for building Windows Store apps targeting Windows 8. Windows Runtime supports development in C#, Visual Basic .NET and C++ as well as JavaScript. Windows Store apps run on both x86, x64 and Windows RT platforms without modification. These apps can run on both tablets and Windows 8 desktop computers. Windows Store apps can't run on Windows Phone 8, however. You can write apps for Windows 8 and Windows RT that share code and look the same to users on each device because each has a Windows Runtime, a core CLR and similar XAML UI vocabularies; but you still need to build them as two different apps and publish them to two different stores: the Windows Store and the Windows Phone Store. Because of the differences in the APIs, you'll also need to modify and adapt some code—UI design in particular—to the different form factors and resolutions.

✔ Read More...


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C#,.NET,Architect,Intermediate,VS2010,.Net,Articles,Computer Tutorials,Window Store, Window Store App, WPF, Silverlight

Sunday, February 24, 2013

Telerik RadControls for WPF and Silverlight Q1 2013


Four months of exciting hard work and finally the result is here - RadControls for WPF and RadControls for Silverlight are more ready than ever to rock your enterprise application development. Hearing your requests, we have expanded our XAML suites with four new controls. You asked for a pivot grid and we delivered it. Then everybody asked for an OLAP support and I am glad to say that the official version of RadPivotGrid comes with Sorting, Report Filter and Total Formats support for OLAP. Other important additions are Data Annotations support, a full set of our beautiful themes and many other improvements. You can check everything in our demos (Silverlight and WPF), but here's a picture worth a thousand words.

✔ Read More...

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Thursday, February 21, 2013

Performing Select, Insert, Update and Delete with ease in Silverlight 4 using WCF RIA Services


The main idea behind this article is to learn performing the basic database operations in Silverlight 4 using the WCF RIA services. I have been searching the internet for any article which performs these CRUD operations but every article I get was only using the Datagrid control to execute this. So I decided to write an article which helps understanding it in more easy way by writing the code from scratch. By the end of this article you will find yourself very comfortable in interacting with database in Silverlight 4.

✔ Read More...


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C#,.NET,Architect,Intermediate,VS2010,.Net,Articles,Computer Tutorials,Silverlight,Silverlight,WCF,WCF RIA Services

Sunday, February 10, 2013

Learn WCF RIA Service: Why WCF RIA Service ?


It is said that, "If you want to have better understanding on a technology; first find why you need that technology? " And to adhering above saying, we will start our journey of WCF RIA learning with a discussion on "Why WCF RIA Service? "

Most developers are very much accustomed to work with layered architectures. Usually there are three layers;

✔ Read More...


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Saturday, January 5, 2013

Custom Authentication in Silverlight


"Muggle-born have no access to go inside the chamber of secret Harry, and only a heir of Slytherin can open the chamber. Since he is already here, the chamber of secret, has already been opened." As you have guessed already, lines said by Albus Dumbledore to Harry Potter. Wonder why Harry Potter? Actually, our Silverlight is very much similar to that of Hogwarts. In case of authentication, I guess, to be precise. Silverlight provide the facility to authenticate the user using a particular query, making sure whether the querying user has the access to use the query or not. Just like you have to authenticate yourself, before the door of any house in Hogwarts, while requesting it to open. If you are not authenticated, your request will be rejected. In silverlight however, you have to authenticate yourself at the very beginning of the application, through a process we call as, Sign in.


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Silverlight Application with Dispatcher and asynchronous WCF service


This article is about Dispatcher that makes Silverlight application responsive. It demonstrate how Dispatcher allows to update UI of the application on the response from WCF service which is called asynchronously  and while continue to execute the other task..


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Sunday, December 23, 2012

Easy way to perform duplexing in Silverlight


The idea of duplexing is very old, when I first read it, it reminded me about my Mom. Well actually not reminded me, but she never allow me to even forget her, can you imagine 50 missed calls in a day!!! . Okay, imagine you being client and your mom being server. It's usually client that starts communicating with server, requests for data, for authentication, for money, in this case. The server can either respond positively or negatively to the client's request. That is if you request for money, you either get it or don't, later one usually happens in my case. Now what if the server initiates the communication? Yes! It's not always that the server listen the request of the client, but there are situations when server also broadcasts the messages to all it's client. This process is called Duplex polling. In silverlight however, there are many ways to perform this server to client broadcasting, one way is through WCF Services which we are going to use now. So grab a cup of coffee or two, coz journey is little bit lengthy and a bit complicated. 


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C#,.NET,Architect,Intermediate,VS2010,.Net,Articles,Computer Tutorials,Silverlight, Silverlight Duplexing

Introducing RadPivotGrid for WPF/Silverlight


With RadPivotFieldList you will feel the real power of RadPivotGrid. With this control you are able to configure almost every aspect of RadPivotGrid. For example, modify row and column grouping, configure aggregations, apply filtering and sorting, set different calculations, etc.  Also, you may use the Defer Updates checkbox to apply all changes at once (when Update button is clicked) or automatically applying any change you have made.


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C#,.NET,Architect,Intermediate,VS2010,.Net,Articles,Computer Tutorials,WPF,Silverlight,RadPivotGrid,Telerik

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