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ASP.NET Weblogs 

Pub/Sub In Node.js Apps Using Azure Service Bus Topics

In my previous post Building Distributed Node.js Apps with Azure Service Bus Queue, we have discussed how we can design distributed apps in Node.js by leveraging Microsoft Azure Service Bus Queues. Service Bus Queue provides brokered communication between apps regardless of whether hosted on Cloud or on-premises server. Service Bus Queue is designed for delivering the brokered messages to single

Single Page Application Demo With Hapi.js, AngularJS And Azure Table

In my previous post Building an API in Node.js Using Hapi.js and Azure Table, we discussed about building an API in Node.js using Hapi.js as web development framework and Azure Table as the storage mechanism. This app has been updated with a Single Page Application (SPA) client, built with AngularJS. The updated app is available on github at https://github.com/shijuvar/HapiAzure.    About the

Access Denied Error, when retrieving user profiles count from SharePoint

Recently for one of my SharePoint project implementation, I wanted to list the number of user profiles available in SharePoint. So I added the following code.              SPSecurity.RunWithElevatedPrivileges(                     delegate()                     {                         using (SPSite thisSite = new SPSite(SPContext.Current.Site.Url))                         {             

On accessing chains of potentially null properties

Raise your hand if you’ve ever written code looking like this:var result = default(int);if (fubar != null) { var foo = fubar.Foo; if (foo != null) { var bar = foo.Bar; if (bar != null) { result = bar.Baz; } }}We’ve all done that, and it’s just sad. There seems to be a law of the Universe that says that if your code looks like a wedge, like

Code and Slides from My AngleBrackets April 2014 Talks in Orlando

The AngleBrackets and DevIntersection conference is all wrapped up! Thanks to everyone that took the time to come to my talks – it’s always fun to meet new people and hear about the apps they’re building. As promised, here’s the code and slides from each presentation.AngularJS in 60ish MinutesAbstract:This talk covers the AngularJS JavaScript framework (one of my favorite frameworks out t

The Web Weekly - Edition 7

Edition 7 of my Web Weekly newsletter has been published (sign-up to the right to receive it automatically)! Here’s what’s in this latest edition.* The Web Weekly Newsletter Edition 1* The Web Weekly Newsletter Edition 2* The Web Weekly Newsletter Edition 3* The Web Weekly Newsletter Edition 4* The Web Weekly Newsletter Edition 5* The Web Weekly Newsletter Edi

Content Disposition Bug in HttpResponseMessage.Conent.Headers

If you’re running into a bug like I did, there are good and bad news. Good – Microsoft acknowledged this bug and will fix it, bad – it will happen in the next release (not sure then). In MS favour I have to admit that they turn things really quick, so who knows, it might be already in the release notes of the next release :)

Colored Query Windows in Microsoft SQL Server 2012

As s software developer or DBA, we are always in situation of having a lot of Query Windows open and being connected to several instances of SQL Server such as Local instance, Acceptance instance, Production instance and so on. Typically we use only one instance of SQL Management Studio to connect to all instances of SQL Servers. Therefore most of the time there are even more than 10 Query Wi

Taking Picture Snapshots with ASP.NET and HTML5

This is another post on HTML5 and ASP.NET integration. HTML5 brought along with it a number of great JavaScript APIs; one of them is getUserMedia, which is W3C standard and you can get a good description of it in MDN. In a nutshell, it allows access to the PC’s camera and microphone. Unfortunately, but not unexpectedly, it is not supported by any version of Internet Explorer, but Chrome and Fire

Creating Asynchronous Actions in ASP.NET MVC

Asynchronous actions allow you to handle more concurrent requests and can be implemented using async / await keywords. Asynchronous actions are useful in situations where you are performing some network operation such as calling a remote service. This article discusses asynchronous actions and also shows how to create them in an ASP.NET MVC.http://www.binaryintellect.net/articles/933eb468-cec

Azure Updates: Web Sites, VMs, Mobile Services, Notification Hubs, Storage, VNets, Scheduler, AutoScale and More

It has been a really busy last 10 days for the Azure team. This blog post quickly recaps a few of the significant enhancements we’ve made.  These include:*Web Sites: SSL included, Traffic Manager, Java Support, Basic Tier *Virtual Machines: Support for Chef and Puppet extensions, Basic Pricing tier for Compute Instances *Virtual Network: General Availability of DynamicRouting VPN Gatewa

A simple Bootstrap Pager Html Helper

        Introduction:                   In ASP.NET MVC 5, MVC project templates uses Bootstrap 3.0 user interface framework. It makes the user interface sleek and responsive look. Bootstrap 3.0 also have nice pagination support. In this article, I will show you how to create a simple html helper which will generate Bootstrap 3.0 pagination specific markup.         Description:          

Building Distributed Node.js Apps with Azure Service Bus Queue

In this blog post, I will take a look at Azure Service Bus Queue for building distributed apps in Node.js. Azure Service Bus Queues provides, a queue based, brokered messaging communication between apps, which lets developers build distributed apps on the Cloud and also for hybrid Cloud environments. Azure Service Bus Queue provides First In, First Out (FIFO) messaging infrastructure. Service Bu

Reading from a queue in an Azure WebJob

A few months ago, Microsoft introduced something called a WebJob in Azure. It's essentially a "thing" that can run as a background task to do "stuff." The reason this is cool has a lot to do with the way you would do this sort of thing in the pre-cloud days.Handling some background task in the old days usually meant writing a Windows Service. It was this thing that you had to install, and it

Azure User Group meeting in Montreal

If you are an ASP.NET dev and still wondering about Azure, the cloud offering from Microsoft, this is a presentation you don’t want to miss!!“Top Azure features every ASP.NET developer should know about” This meeting will be presented by Bill Wilder, MVP Azure from Boston, USA.When: Monday, April 28, 2014 Where: Microsoft Montreal office (2000 McGill College, 4th floor, Montreal, QC) Co

Problem after installing Visual Studio 2013 Update 2 RC

Since I installed Visual Studio 2013 Update 2 RC last week I keep getting the following error message while opening an existing solution:Problem:The 'Microsoft.VisualStudio.Editor.Implementation.EditorPackage' package did not load correctly.Easy Fix:Remove %LOCALAPPDATA%\Microsoft\VisualStudio\12.0\ComponentModelCache and restart Visual Studio 2013.Happy coding!

Making Better Use of the NHibernate HiLo Generator

IntroductionNHibernate’s HiLo (High-Low) id generation algorithm is one of the most commonly used, and for good reasons:* It is database-independent, that is, does not rely on any database-specific functionality such as SQL Server’s IDENTITY and Oracle’s SEQUENCE;* It allows batching of inserts;* It complies with the Unit of Work pattern, because it sends all writes at the same tim

Building an API in Node.js Using Hapi.js and Azure Table

In this post, I will demonstrate a sample REST API app in a Node.js, by using Hapi.js as the web application framework and Azure Table as the storage. The source code of the demo app available on github at https://github.com/shijuvar/HapiAzure. The following npm modules are using for this simple REST API.*hapi – HTTP Server framework, used for building the REST API app. *azure - Windows

Customize SharePoint 2013 look and feel for intranet sites

It is important to customize the look and feel of SharePoint portal implementation to match your corporate branding. For public websites, branding is in the top of the list, where you need to create appealing websites. SharePoint 2013 addresses the branding of publishing sites and intranet sites in both different ways as the customization requirements varies. For Publishing site, you have design

ASP.NET Callback Panel

Continuing with my quest for reusable, no dependencies, Web Forms AJAX controls, this time I wanted a replacement for the venerable UpdatePanel control. Specifically, I wanted to address the following issues:* Allow the partial update of a region on my page, including all of its controls;* Being able to cause an update through JavaScript (tricky with UpdatePanel);* Have the ability t

Join me on Thursday, April 10th in Nashville

Hi All, If you are in the Nashville, TN area, I hope you will join me at the Nashville .NET User Group http://nashdotnet.org/ for a seminar entitled "Best Practices for Flexible Code". Seminar Description Creating applications that are flexible and maintainable means thinking about application development a little differently. You need to adopt good object-oriented techniques in order to create so

Problem setting the default value for ASP.NET MVC DropDownList

Recently one of the readers reported a problem that the DropDownList helper is not working as expected. The problem was resolved by slightly tweaking the code but since it sounded like a tricky thing that many beginners would stumble upon I am writing this post. Let's see what the problem is, its cause and finally the little tweak that I mentioned earlier.http://www.binaryintellect.net/articl

Quick tip: Content Type Hub in Office365

Content Type Publishing and Content Type Hub are widely used mechanism for creating and maintaining reusable set of Content Types in SharePoint. Content Type Hub helps administrators to spend less time administering Content Types across the organization by providing centralized storage for Content Types which are used in more than one Site Collection. Read more......(read more)

A sample of Onion Architecture with ASP.NET Identity

__                     I was working on a new ASP.NET web application. In this application, I was trying to use Onion Architecture. The application was also using ASP.NET Identity 2.0. Our goal was to create application that will easily replace(if required) the ASP.NET Identity system with any other Identity system or ASP.NET Identity Entity Framework store with any other Identity store withou

Form Validation Formatting in ASP.NET MVC 5 and Bootstrap 3

When creating a new MVC project in ASP.NET MVC 5, Bootstrap is already included. For some reason proper formatting for form errors (the red colored error message and the red border around the controls) are not working. There are loads of articles and blog posts how to change this and that to enable this, but in ASP.NET MVC 5, the only thing you actually have to do is add a few classes to your Si

Speech Synthesis with ASP.NET and HTML5

The .NET framework includes the SpeechSynthesizer class which can be used to access the Windows speech synthesis engine. The problem with web applications is, of course, this class runs on the server. Because I wanted a mechanism to have speech synthesis (text-to-speech) fired by JavaScript, without requiring any plugin, I decided to implement one myself.Once again, I will be using client cal

Using LinkedIn JavaScript API for User Authentication and Profile Retrieval

Integrating third-party sign-in with a website is quite common these days. Just like Facebook and Twitter, LinkedIn too allows you to ingrate LinkedIn authentication with your own website. One simple way to achieve such an integration is to use LinkedIn JavaScript API. Using this API you can authenticate a user with their LinkedIn credentials and also retrieve their profile and connection inform

Microsoft Azure Mobile Services Managed Client SDK with Offline Support

In this post, I will take a look at the new offline support provided by Microsoft Azure Mobile Services to the managed client SDK v1.3 alpha, which can be used for building Windows store apps with offline capabilities and syncing data between local database and Azure Mobile Service database. Microsoft Azure Mobile Services has been evolving over time with new useful features. On the last update,

Introducing a new ValidateRequest feature in .NET Framework 4.5 for WebForms

As you know, ValidateRequest is a security feature which has been available since .NET Framework 2.0 in WebForms. This feature prevents users from entering html content in input fields to keep the application away from different kind of XSS injection attacks. That means we will see an error like below if a html style tag is entered inside an input field and then the form is submitted to the server

ASP.NET Web API/AngularJS SPA Demo App Updated

A while ago, I had announced a single page application (SPA) demo, built with ASP.NET Web API 2 and AngularJS. Recently, we have been updated the source on both server-side and client-side. The current version (v1.1.0) of the demo app available on github at https://github.com/MarlabsInc/webapi-angularjs-spa.  Summary of Changes in the v1.1.0The information below provides the summary of the


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