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Author: Michael Washington Created: 8/20/2010 8:49 PM RssIcon
All about Microsoft LightSwitch
By Michael Washington on 5/27/2013 11:12 AM

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Visual Studio LightSwitch team member Huy Nguyen typically provides well explained answers to difficult questions, and usually provides code samples, and in some cases downloadable projects.  Previously, I created examples using techniques I learned from some of my favorite posts that he made. In this article, I have created more examples from his latest articles…

By Michael Washington on 5/26/2013 8:32 AM

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Microsoft MVP and Visual Studio LightSwitch Insider, Alessandro Del Sole recently released an extension that “provides an easy way to install a number of JavaScript code snippets for the LightSwitch HTML Client created by the LightSwitch Team at Microsoft”. I decided to use it to help you create the code to implement the JQuery Mobile Reflow Table in Visual Studio LightSwitch that was covered in the article: LightSwitch HTML Client For The Desktop Web Browser

By Michael Washington on 5/23/2013 5:55 AM

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To maximize performance, all applications must properly manage the flow of data. When dealing with an entity (one row of data), Visual Studio LightSwitch transfers the entire entity from the data layer to the client, the user interface (UI) layer.  When dealing with collections (rows of data) LightSwitch uses Visual Collections, and is very deliberate as to how, and when it places entities in the Visual Collection

By Michael Washington on 5/20/2013 9:31 PM

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You can easily implement animated help agents in your Visual Studio LightSwitch HTML Client applications…

By Michael Washington on 5/19/2013 9:41 AM

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An objection many developers have about using Visual Studio LightSwitch HTML Client for their projects, is that they feel they need normal web pages. To many developers, LightSwitch HTML pages look odd when viewed in a normal desktop web browser.

The Reflow table displays data in a desktop web browser like any normal data grid, yet it will dynamically pivot the table when the screen becomes smaller (rather than just squeezing the table smaller). A user can easily view and navigate the table on any sized device…

By Michael Washington on 5/9/2013 6:28 AM

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The Visual Studio LightSwitch runtime was updated to support JQuery Mobile 1.3. This is a step by step guide to updating the LightSwitch JavaScript Runtime…

By Michael Washington on 5/8/2013 7:59 PM

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Visual Studio LightSwitch team member Huy Nguyen is a good person to follow on the Visual Studio LightSwitch forums. He typically provides well explained answers to difficult questions and usually provides code samples, and in some cases downloadable projects. In this article, I have created examples using techniques I learned from some of my favorite posts that he made…

By Michael Washington on 5/5/2013 8:41 PM

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You may have situations where you need to dynamically create records. Typically you will want to do this when you don’t want to navigate away to a new page to add a record…

By Michael Washington on 5/4/2013 10:29 AM

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The primary reason you may want to use WCF RIA Services with Visual Studio LightSwitch 2012 is to:

  • Combine more than one entity into a single entity.
  • Eliminate unneeded columns in an entity to improve performance (otherwise large amounts of data, for example pictures, will be transmitted even when they are not shown).
  • Implement calculated fields that allow the resulting values to be searchable and sortable.
By Michael Washington on 5/3/2013 6:34 AM

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LightSwitch will allow you to easily create a popup to allow a user to select an item from a list in an associated table and to set a value. What is more difficult, is constraining that list of items presented based on business rules…

By Michael Washington on 4/29/2013 10:34 PM

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ComponentOne allowed me to play with their upcoming Wijmo controls for the Visual Studio LightSwitch HTML Client. The thing that makes them special is that they work as plug-ins in the LightSwitch HTML Client designer and allow you to create custom JavaScript with a click of a button. At the same time they give you full control over the controls as you can easily alter the rendered code…

By Michael Washington on 4/25/2013 7:25 PM

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The Microsoft Visual Studio LightSwitch Team recently posted example JavaScript code to accompany the MSDN documentation: How to: Modify an HTML Screen by Using Code. In this article, we will look at some of the examples they posted and provide a step-by-step walk-thru…

By Michael Washington on 4/23/2013 1:02 PM

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You have multiple options when you programmatically delete data in the Visual Studio LightSwitch HTML Client. Unlike the insert and update tasks, there is no wizard to allow you to easily create a button to allow a user to delete data. You must write a bit of code…

By Michael Washington on 4/17/2013 10:28 PM

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This article describes a Visual Studio LightSwitch HTML Picture File Manager that uses WCF RIA Services to upload and view files on the web server.

By Michael Washington on 4/12/2013 6:31 AM

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The LightSwitch HTML Client allows you to easily create a server side search…

By Michael Washington on 4/11/2013 9:43 PM

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The current version of the LightSwitch HTML Client does not expose the computed properties created at the Entity level. Here are a few methods you can use…

By Michael Washington on 4/11/2013 6:19 PM

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At the recent Visual Studio Live I was interviewed by Visual Studio Magazine…

By Michael Washington on 2/20/2013 7:09 AM

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The Visual Studio LightSwitch HTML Client will connect to any SignalR service, allowing you to create state of the art applications…

By Michael Washington on 2/15/2013 7:10 PM

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LightSwitch in Action

By Dan Beall and Greg Lutz

You tell LightSwitch what you want the data to look like and what you want the interface to do and it wires it all up and gives you a finished, professional-grade application. LightSwitch is, at its essence, a forms-over-data application. You describe the data store and design the forms and it does all the plumbing required to make them work together. This article, based on chapter 1 of LightSwitch in Action, explains why and how you would want to use LightSwitch…

 

By Michael Washington on 2/14/2013 1:44 PM

I’ll be speaking at Visual Studio Live!, March 25-29 in Las Vegas, NV http://bit.ly/VLSPK32Reg.  Surrounded by your fellow IT professionals, Visual Studio Live! provides you with immediately usable IT education that will keep you relevant in the workforce…

Microsoft Visual Studio is a registered trademark of Microsoft Corporation / LightSwitch is a registered trademark of Microsoft Corporation