Archive For April 2015

Using the HtmlAgilityPack to parse HTML in ASP.NET

calendar_today 30 April 2015 13:26

HTML General HTML5

Hardly a week goes by without someone asking a question in the ASP.NET forums about parsing HTML for one purpose or another. Mostly, the questions are couched in terms of 'finding values' or similar, prompting responses from the community that recommend one regular expression pattern or another, treating HTML as a string of text with no structure or rules. In fact, HTML is a structured document format with a set of very clearly defined rules, which means that it can easily be parsed given the right tool. My favourite tool for parsing HTML is the HtmlAgilityPack.

Entity Framework Recipe: Storing And Managing Time

calendar_today 23 April 2015 13:19

ASP.NET MVC Entity Framework

This post explores the options available to you when your application requirements include managing and storing time using the Entity Framework. Specifically, I am thinking of durations of time, such as the time required to complete some kind of task, not the time part of a date. Relevant examples might include storing the length of a movie, or the preparation time required for a recipe.

7 C# 6.0 Features That Every ASP.NET Developer Should Know About

calendar_today 14 April 2015 13:25


Visual Studio 2015 introduces a completely new version of ASP.NET, but it also includes version 6 of the C# language. Previous new versions of C# have heralded substantial changes like the introduction of async and await in version 5, dynamic in version 4, LINQ in version 3 and so on. There are no major feature changes or introductions in version 6, but there are a number of syntactical improvements that you are likely to use on a daily basis. Here's a rundown of them.

Sessions in ASP.NET Core

calendar_today 07 April 2015 13:39


ASP.NET Core is being designed so that your application is only dependent on features that it actually needs. This is achieved in large part by creating a composable framework, where the developer opts in to non-essential features - a number of which are baked in to traditional versions of ASP.NET. One of the features that this applies to is Session State. This article looks at how to obtain and use session state in ASP.NET Core applications.