There are a number of times when a LightSwitch application works perfectly on a developer’s machine, but as soon as it has been deployed to an Internet Information Services (IIS) machine, it no longer works.  Problems can range from IIS not being...

Creating applications that run on a variety of form factors has become a necessity in an environment where applications live in the cloud and people bring their own devices to work, commonly referred as BYOD (Bring Your Own Device). The range of devices...

One of my favorite things about the LightSwitch HTML Client is how easy it is to create forms over data the “LightSwitch way”, and then jump straight into HTML for a bit of custom tweaking.  Because the HTML Client makes use of jQuery and jQueryMobile...

When we took a bet on jQuery, jQueryMobile, and datajs for our HTML client, we recognized that we’d need to adapt to the rapid release cadence these frameworks employ.  At the same time, we know that small issues in our application runtime can cause...

We’ve released the source code for the Cosmopolitan shell and theme , allowing you use the default LightSwitch 2012 shell and theme as starting points for your own custom shells and themes. You can download the source here . Custom LightSwitch shells...

Hello LightSwitchers! I hope you’re all having fun and building cool stuff with RTM. In case you missed it, here are the previous posts: Course Manager VS 2012 Sample Part 1 – Introduction Course Manager VS 2012 Sample Part 2 – Setting up Data Course...

A common request that the LightSwitch team receives is to provide a control to deal with many-to-many relationships (ex. the relationship between Categories and Blog Posts). One of the more common ways to deal with this is by displaying a list of checkboxes...

It is common for line of business applications to have scenarios which require row level security (RLS). For example a LightSwitch developer creates an application that stores Employee information such as name and address along with a relationship to...

Beth and I touched on a few of the new features of the upcoming HTML client for LightSwitch in our Channel 9 video chat last week , but I thought it’d be worthwhile to cover each topic in more detail. Today I’ll walk through the application...

UPDATE 7/27/2011 - The Beta 2 Cookbook is now out of date as we have released RTM. Please see Extending LightSwitch on the Developer Center for documentation and samples on using the LightSwitch Extensibility Toolkit. ----- One of the big features...

UPDATE December 6th, 2012: With the release of HTML Client Preview 2 some of the code in this article may not work correctly. For updated information please see: Custom Controls and Data Binding in the LightSwitch HTML Client ---- With the HTML Client...

In the last post, we gave an overview of the Signed-In app we are going to build. We created a LightSwitch project and set up our data. In case you missed it: Signed-In Part 1 – Introduction Now, we’re ready to start designing the UI...

Overview Applications are creating and consuming more data than ever before. With so much data, how can your users quickly spot trends and get an overview of what’s important? Just as your car presents a dashboard indicating the top priority items, so...

On behalf of the LightSwitch team, I am proud to announce the release of the LightSwitch HTML client in Visual Studio 2012 Update 2! It’s been an exciting journey for us and we thank you for all your valuable feedback that got us here. LightSwitch in...

Welcome to the last installment of the Signed-In app walkthrough! In case you missed the previous posts: Signed-In Part 1 – Introduction Signed-In Part 2 – Upcoming Events Screen Signed-In Part 3 – Guest List Screen Signed...

The LightSwitch running application consist of three tiers—presentation, logic, and data storage. In the prior post we covered the presentation tier . In this post we will take a deeper look at the logic tier. Just as a recap, the presentation...

UPDATED 8/29/2012 : Updated for Visual Studio 2012 and Azure SDK 1.7.1 With the release of Visual Studio 2012, we’ve improved the experience for publishing LightSwitch applications to Windows Azure.  The Azure deployment support for LightSwitch in...

Many problems can occur in applications when multiple users are allowed to edit the same record at the same time. Some simple applications take a “last edit wins” approach, where the last person to save their changes gets their changes applied...

Note: This article applies to LightSwitch in Visual Studio 11 (LightSwitch V2) When building a LightSwitch application, organizing the content is an important aspect of screen design.  The layout system in LightSwitch has allowed you to use columns...

A couple weeks ago I delivered a webcast on What’s New with LightSwitch in Visual Studio 11. If you missed it, you can now watch it on demand: WMV Download | WMA | MP4 For more details on the new features I demonstrated check out the post on my blog....

Introduction In any application that accepts user input and stores it in a data store, the data needs to be validated. When it comes to relational databases, most of them today provide some form of validation. This includes constraints, data formatting...

We just released Visual Studio LightSwitch Beta 1 to MSDN subscribers. Public availability will be this Monday, August 23rd but if you are an MSDN subscriber visit your subscriptions page to get access to the download now. Otherwise check the the LightSwitch...

In prior posts I’ve covered the LightSwitch presentation tier and the logic tier . The presentation tier is primarily responsible for human interaction with the application using data from a LightSwitch logic tier. The logic tier comprises one or...

Sorting data across relationships is often required when building applications within LightSwitch.  For example, suppose you are building a LightSwitch application that attaches to the Category and Product tables from the Northwind database. You...

Although the team has focused on building the LightSwitch HTML client and SharePoint 2013 applications recently, supporting existing scenarios remains a top priority. We’ve tried to balance our new investments with solutions to roadblocks and pain points...