A collection of articles and tutorials on web development with ASP.NET by Mike Brind

Latest Entries

Introducing TagHelpers in ASP.NET MVC 6

11 May 2015 13:17

ASP.NET MVC ASP.NET 5

TagHelpers is one of the new features introduced in MVC 6. The TagHelper's role is similar to the one played in previous versions of ASP.NET MVC by HtmlHelpers: they are designed to simplify the work required to author views that need to respond dynamically to the data provided to them. However, the way in which they work and their impact on view design is very different to HtmlHelpers.

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Viewed 36055 times

2 Comments for this item

Using the HtmlAgilityPack to parse HTML in ASP.NET

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.

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Viewed 51777 times

8 Comments for this item

Entity Framework Recipe: Storing And Managing Time

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.

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Viewed 7248 times

3 Comments for this item

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

14 April 2015 13:25

C# ASP.NET 5

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.

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Viewed 34565 times

19 Comments for this item

Sessions in ASP.NET Core 1.0

07 April 2015 13:39

ASP.NET MVC ASP.NET 5 ASP.NET Core

ASP.NET Core 1.0 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 1.0 applications. It has been updated to reflect Release Candidate (RC) 1 of ASP.NET Core 1.0

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Viewed 64581 times

19 Comments for this item

ASP.NET 5 Middleware, Or Where Has My HttpModule Gone?

31 March 2015 13:22

ASP.NET MVC ASP.NET 5

ASP.NET 5 has been largely rewritten from the ground up, and incorporates some radical changes when compared with previous versions of ASP.NET. One of the biggest changes is in the HTTP Pipeline. This article looks at how those changes impact the design and registration of plug and play components that used to be represented by HttpModules.

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Viewed 42450 times

11 Comments for this item

How To Send Email In ASP.NET MVC

24 March 2015 13:21

ASP.NET MVC

This article takes a comprehensive look at the business of generating and sending email from an ASP.NET MVC application. It covers the most common use cases as well as some advanced scenarios. It also explores some of the more common errors that arise from attempting to generate and send email programmatically from an ASP.NET MVC site.

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Viewed 132970 times

49 Comments for this item

ASP.NET 5 By Numbers

16 March 2015 13:20

ASP.NET MVC ASP.NET Web Pages ASP.NET 5

There's a lot of confusion surrounding the numbers relating to the impending release of the next version of ASP.NET. This post takes a look at the main ones and seeks to explain their significance.

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Viewed 11328 times

4 Comments for this item

Error Handling in ASP.NET Razor Web Pages

10 March 2015 13:07

ASP.NET Web Pages WebMatrix

Bang! An unhandled exception occurred during the execution of the current web request. And that's it - your visitor is met with the yellow screen of death and they are left wondering what they did wrong. You might not even be aware of what's just happened - unless your visitor can find some way of alerting you, oh, and they bother to do so. That's the problem with run time errors; the code worked fine when you ran it on your machine. But then along came a user and they tried to do something you didn't anticipate and broke your site. So what should you do about this?

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Viewed 15604 times

1 Comment for this item

ASP.NET MVC DropDownLists - Multiple Selection and Enum Support

03 March 2015 13:26

ASP.NET MVC

My original article about Drop Down Lists in ASP.NET MVC has proven to be among the most popular on this site, amassing over a third of a million views since it was published 5 years ago. This article builds on the original by looking at using drop down lists for multiple selections, and the helper that was introduced in MVC 5.1 to support enumerations as a source of select options.

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Viewed 144092 times

16 Comments for this item

Migrating From Razor Web Pages To ASP.NET MVC 5 - Model Binding And Forms

24 February 2015 14:51

ASP.NET MVC ASP.NET Web Pages

If you have built sites with the ASP.NET Razor Web Pages framework, you might want to look at migrating them to ASP.NET MVC at some point. This tutorial is the last in a series of three that explores how you do that by taking a step by step approach to migrating the WebMatrix Bakery template site to ASP.NET MVC 5. Previous tutorials in the series have looked at the roles of the View and Controller, and the data access and view model aspects of the Model. This final part covers model binding and form posting. A download (c. 24MB) featuring the completed application is available.

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Viewed 31462 times

5 Comments for this item

Migrating From Razor Web Pages To ASP.NET MVC 5 - Data Access And View Models

18 February 2015 13:16

ASP.NET MVC Entity Framework ASP.NET Web Pages

If you have built sites with the ASP.NET Razor Web Pages framework, you might want to look at migrating them to ASP.NET MVC at some point. This tutorial is the second in a series of three that explores how you do that by taking a step by step approach to migrating the WebMatrix Bakery template site to ASP.NET MVC 5. Along the way, each of the core parts of MVC are discussed by way of an introduction to the framework. The tutorial is divided into three parts. The first part looked at the roles of the View and Controller. This part looks at the M in MVC, the Model. Specifically, it features data access and view models. The final part will cover model binding and form posting. A download (c. 24MB) featuring the completed application is available.

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Viewed 13116 times

2 Comments for this item

Migrating From Razor Web Pages To ASP.NET MVC 5 - Views and Controllers

16 February 2015 13:33

ASP.NET MVC ASP.NET Web Pages

If you have built sites with the ASP.NET Razor Web Pages framework, you might want to look at migrating them to ASP.NET MVC at some point. This tutorial is the first in a series of three that explores how you do that by taking a step by step approach to migrating the WebMatrix Bakery template site to ASP.NET MVC 5. Along the way, each of the core parts of MVC will be discussed by way of an introduction to the framework. The tutorial is divided into three parts. This first part looks at the V and C part of MVC - View and Controller. The M or Model is covered in the second and third parts. A download (c. 24MB) featuring the completed application is available.

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Viewed 18001 times

2 Comments for this item

Integrating Web API with ASP.NET Razor Web Pages

03 February 2015 13:26

ASP.NET Web Pages WebMatrix Web API

ASP.NET Web API is the recommended way to build RESTful services over HTTP when using the ASP.NET stack. This article looks at incorporating Web API into an existing Razor Web Pages site, and provides a brief introduction to Web API itself.

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Viewed 53563 times

11 Comments for this item

MVC 5 with EF 6 in Visual Basic - Working With Files

27 January 2015 13:26

VB.Net ASP.NET MVC

This tutorial explores how to upload files in an ASP.NET MVC applications and how to use Entity Framework to store them in a database. It builds on a series of 12 that teach you how to build MVC 5 applications using Entity Framework for data access and Visual Basic. This tutorial does not have a counterpart in the original tutorial series, produced by Tom Dykstra and Rick Anderson ( @RickAndMSFT ) which was written using the C# language. A C# version is available here.

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Viewed 12150 times

2 Comments for this item

Recent Comments

Sivu 19/10/2016 08:21
In response to Entity Framework Core TrackGraph For Disconnected Data
Oh that's very very very nice ! Thanks for the write up Mike, much appreciated for the taking the to...

Mark 12/10/2016 16:42
In response to ASP.NET Web Pages vNext or Razor Pages
Although "Web Pages" was removed from the roadmap, has it just been renamed to "Razor Pages"?...

Satyabrata 12/10/2016 09:20
In response to Entity Framework Core TrackGraph For Disconnected Data
Nice article. Please write more articles featuring ASP.Net web pages. Thank you...

Julian 26/09/2016 14:27
In response to Loading ASP.NET Core MVC Views From A Database Or Other Location
Fantastic, many thanks Mike! Had got half way down this road before finding your article - saved...

Abolfazl Roshanzamir 14/09/2016 05:36
In response to Loading ASP.NET Core MVC Views From A Database Or Other Location
Nice article. Thanke you so much ....

cyrus 02/09/2016 15:12
In response to ASP.NET Web Pages vNext or Razor Pages
I've got some news. As Damian stated in this link: https://github.com/aspnet/Mvc/issues/5208 “We...

Simon 01/09/2016 08:00
In response to Loading ASP.NET Core MVC Views From A Database Or Other Location
Thanks Mike, nice post and exactly what I was looking for. Like you said, I think I'll opt to the...

dave 20/08/2016 14:57
In response to ASP.NET Web Pages vNext or Razor Pages
Do SimplemembershipProvider in viewpages is supported?...

Steven 18/08/2016 04:40
In response to Entity Framework Code First and Stored Procedures
Can you provide the directives (using statements) you're using for EF7 example?...

yousaid 17/08/2016 22:08
In response to ASP.NET Web Pages vNext or Razor Pages
Increasingly, learning a Microsoft tool is no longer worth the return on investment. Too many tools...