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Khalid Abuhakmeh

Software Developer and All Around Nice Guy @AquaBirdConsult

Use Stuntman For Development Authentication in OWIN

Anybody can jump a motorcycle. The trouble begins when you try to land it.

Every modern application will have to deal with security. Under .NET, security has been upgraded to use the ClaimsIdentity model and the biggest .NET frameworks have begun utilizing it: ASP.NET MVC, WebForms, and WebAPI. While authentication can be implemented directly in the application, most enterprises are leaning towards using an . . .

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April 30, 2015

Building a Comparison Grid in ASP.NET MVC

The easiest way possible

If you are working in the e-commerce industry, then you are familiar with the comparison grid. Normally a pivot table with the columns representing each option the user has available to them, and each row being the individual features of the option. Take, for example, this comparison grid of subscription options for the Spotify service.

Spotify grid

The . . .

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April 28, 2015

Introduction to Generics in .NET

Generics are an essential feature of any statically typed language, and C# is no exception. Introduced in .NET 2.0, generics offer a way to strongly type container- like classes at compile time, rather than hoping all goes well at runtime. Previous to the introduction of generics, most developers were forced to cast to the base object class, . . .

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April 26, 2015

Using Lazy For Expensive Data in C#

It's ok to be lazy

I am a big fan of stateful properties on my C# objects, especially when it comes to ViewModels in ASP.NET MVC. Stateful properties describe the current internal state of your object using one or more existing members. Take a look at the following code snippets and consider which one you like better.

var result = !string.IsNullOrWhitespace( . . .

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April 25, 2015

Take Your ASP.NET MVC Application Offline via a Global Attribute

Failure is inevitable when building applications. ASP.NET has the ability to take an application offline when things have really gone past the point of recovery. I'll let Scott Guthrie explain how it works.

Basically, if you place a file with this name [**app_offline.htm**] in the root of a web application directory, ASP.NET 2.0 will . . .

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April 22, 2015

ASP.NET WebAPI and Multi-Column Sorting Queryables

Useful for other scenarios as well

Whenever building a querying API, whether web or local,I want to expose some basic features for my consumers: filtering, paging, and sorting. The first two are really easy to implement; well easy in respect to having solved them. Sorting on one field is easy, but becomes increasingly difficult when sorting on multiple fields. In this post, . . .

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April 19, 2015

A Better Validation Result For ASP.NET WebAPI

WebAPI is starting to grow on me. Just like any framework, it takes time to configure it the way I like, but luckily I've been able to configure everything that doesn't work with my sensibilities. One of the features I decided to tweak, is the format of the validation messages that come from WebAPI.

 if (!ModelState.IsValid) return  . . .

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April 18, 2015

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