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

Latest Entries

Razor Pages - The Elevator Pitch

25 May 2017 08:29

ASP.NET MVC ASP.NET Core Razor Pages

In the last ASP.NET Community Standup, Jon Galloway gave my introductory Razor Pages article a shout out (thank you, Jon). During the discussion that ensued, Scott Hanselman asked for the "elevator pitch" for Razor Pages. Well, here's mine.

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Viewed 2907 times

5 Comments for this item

Razor Pages - Understanding Handler Methods

22 May 2017 20:16

ASP.NET Core Razor Pages

Handler methods is a particularly nice feature introduced with the new ASP.NET Razor Pages framework . This feature enables you to determine what the user was doing when they requested the page, and to execute logic accordingly without having to resort to a bunch of conditional code.

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Viewed 1237 times

2 Comments for this item

Razor Pages - Getting Started With The Preview

15 May 2017 20:52

Razor ASP.NET Core Razor Pages

Current users of ASP.NET Web Pages have been eagerly awaiting news on what ASP.NET Core holds for them (if my inbox is anything to go by). The roadmap suggested that a new version of Web Pages would be forthcoming after the initial release of .NET Core, but that item was subsequently removed. Instead, a new cross platform page-centric web development model called Razor Pages has been made available in preview form. Here, I show you how to get started with it and explore its similarities with Web Pages. In future articles, I will take a closer look at the wide range of differences.

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Viewed 1612 times

3 Comments for this item

Working With Zip Files In ASP.NET MVC

10 February 2017 07:41

ASP.NET MVC

Since ASP.NET 4.5, zipping and unzipping files can be done with classes from within the .NET framework. Despite that, nearly all examples that illustrate working with zip files in ASP.NET applications feature third party open source compression libraries. This short article attempts to correct that by demonstrating the use of the System.IO.Compression classes to unpack an uploaded zip file, and to create one for download in an ASP.NET MVC application.

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Viewed 2206 times

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Free SSL Certificates On IIS With LetsEncrypt

02 February 2017 07:44

ASP.NET MVC ASP.NET Web Forms ASP.NET Core

If you have forms on your site that take a user's personal details, you should protect the page by running it under HTTPS. That way, any data that's posted from the form (email address, credit card number etc) is encrypted and hidden from prying eyes. It's not just e-commerce sites that should be protected. Intranets and other line of business apps that require authentication, blogs with comment forms that ask for email addresses and so on. The main barrier to this in the past has been the cost of the digital certificate (SSL Certificate) that asserts that you are who you say you are. LetsEncrypt is a free, automated, and open Certificate Authority that removes this barrier.

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Viewed 2259 times

5 Comments for this item

Entity Framework Core DbContext Updated

28 October 2016 08:50

Entity Framework ASP.NET Core

Redesigning a framework from the ground up provides an opportunity to implement an improved API. The team working on Entity Framework Core have certainly grabbed that opportunity in respect of the DbContext class, which sees a bunch of new data manipulation methods not available in Entity Framework 6 or earlier.

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Viewed 3277 times

1 Comment for this item

Entity Framework Core TrackGraph For Disconnected Data

11 October 2016 21:40

Entity Framework ASP.NET Core

Entity Framework Core is the new lightweight version of Entity Framework designed to work with .NET Core applications. Just like ASP.NET Core, it has been rewritten from the ground up, and includes some new ways of doing things. One of those is the introduction of the TrackGraph method for handling complex data in disconnected scenarios such as MVC or Web API applications.

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Viewed 2436 times

2 Comments for this item

Server.MapPath Equivalent in ASP.NET Core

02 September 2016 14:55

ASP.NET Core

Web Developers who use Microsoft technologies have always relied on the Server.MapPath method to resolve file paths in classic ASP and ASP.NET Web Forms and MVC versions up to and including 5. This method has not been included in ASP.NET Core, so what do you use instead?

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Viewed 12327 times

2 Comments for this item

Loading ASP.NET Core MVC Views From A Database Or Other Location

21 July 2016 08:56

ASP.NET MVC ASP.NET Core

For the vast majority of ASP.NET Core MVC applications, the conventional method of locating and loading views from the file system does the job nicely. But you can also load views from other sources including a database. This is useful in scenarios where you want to give users the option to craft or modify Razor files but don't want to give them access to the file system. This article looks at the work required to create a component to obtain views from other sources, using the database as a working example.

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Viewed 5608 times

7 Comments for this item

ASP.NET Web Pages vNext or Razor Pages

15 July 2016 14:09

ASP.NET MVC ASP.NET Web Pages ASP.NET Core Razor Pages

Now that the RTM of ASP.NET Core has shipped, the ASP.NET team are looking at the features that were left behind including SignalR and Web Pages. The ASP.NET Core road map always had those items scheduled for inclusion in the first major release after RTM, which will be ASP.NET Core 1.1. Recently, the ASP.NET Team provided an update on GitHub on the goals driving the next version of Web Pages which provides an interesting insight into the potential features of the framework.

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Viewed 4645 times

15 Comments for this item

Entity Framework Code First and Stored Procedures

16 June 2016 07:38

Entity Framework

A key reason behind the decision to use an ORM such as Entity Framework for your data access is to reduce or eliminate the need to write SQL as part of the development process. Nevertheless, there are times when you might need to make use of database stored procedures, and Entity Framework 6 Code First provides support for using existing stored procedures as well as generating new ones.

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Viewed 44515 times

3 Comments for this item

Implementing SQL Server Full-Text Search In An ASP.NET MVC Web Application With Entity Framework

13 May 2016 08:13

SQL ADO.NET ASP.NET MVC Entity Framework

The search facility on this site has been rudimentary at best. I have recently upgraded it to take advantage of the Full-Text Search feature in SQL Server. Although it is still a basic implementation, it is a vast improvement on the search system that existed before, which was based on Entity Framework dynamically generating SQL LIKE clauses. This article describes how I got SQL Server Full-Text Search up and running.

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Viewed 11865 times

2 Comments for this item

The Best Way To Import Data From Excel To SQL Server via ASP.NET

14 April 2016 13:42

ADO.NET ASP.NET MVC ASP.NET Web Forms ASP.NET Web Pages EPPlus

I've seen a lot of questions about the best way to import data from uploaded Excel files to a SQL Server database in an ASP.NET application. Most solutions involve the use of the JET or ACE OLEDB providers to read data from the saved Excel file, and some even show how to use Office Interop to obtain the data. However, all of these solutions rely on additional components being installed on the server, and they also require the uploaded file to be saved somewhere, even temporarily, which creates an additional maintenance task. The solution that follows makes use of a Nuget package that gets deployed with your application and can work with streams, so the uploaded file doesn't need to be saved. It is, in my submission, THE best way to import data from uploaded Excel files to SQL Server in an ASP.NET application.

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Viewed 31824 times

3 Comments for this item

Exploring Prefix: A Free ASP.NET Profiling Tool

30 March 2016 19:21

ASP.NET MVC ASP.NET Web Forms ASP.NET Web Pages

Prefix is a free profiler for ASP.NET applications. It's dead easy to use and it will help you find bugs in your code that you didn't even know you had. I found two in what I thought were properly working apps within an hour of downloading Prefix.

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Viewed 9408 times

5 Comments for this item

Encryption and Decryption in ASP.NET Core

01 March 2016 13:15

ASP.NET MVC ASP.NET Core

The ASP.NET Core framework provides a new API for protecting data, including mechanisms for encryption and decryption. This article takes a quick look at how they can be used.

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Viewed 21886 times

1 Comment for this item

Recent Comments

ojorma 17/06/2017 09:24
In response to Razor Pages - The Elevator Pitch
Finally I can say goodbye to webforms...

Mau 06/06/2017 08:58
In response to Razor Pages - The Elevator Pitch
I am missing the razor view code. Thank you for your article. Design pattern should improve the of...

Obinna Okafor 26/05/2017 16:16
In response to Razor Pages - The Elevator Pitch
Thank you for this wonderful piece, Mike. I need more of these...Keep them coming - anything more...

Cyrus 26/05/2017 06:00
In response to Razor Pages - The Elevator Pitch
There are some concern about razor pages performance. Is it faster or slower than MVC? would you a a...

Cyrus 26/05/2017 05:44
In response to Razor Pages - Understanding Handler Methods
well done, thank you....

Satyabrata Mohapatra 23/05/2017 11:41
In response to Razor Pages - Understanding Handler Methods
Nice and easy !! Great post....

Cyrus 16/05/2017 19:55
In response to Razor Pages - Getting Started With The Preview
There is something wrong related to microsoft.dotnetcore.mvc.taghelpers! if you remove it from page...

Cyrus 16/05/2017 10:18
In response to Razor Pages - Getting Started With The Preview
well done mike, it was very useful, I really appreciate that....

Satyabrata Mohapatra 16/05/2017 07:21
In response to Razor Pages - Getting Started With The Preview
Finally!!!! web pages in asp.net core!!! Super excited !!!! Thank u sir for sharing.....Awaiting on...

Daniele 14/03/2017 10:24
In response to Working With Zip Files In ASP.NET MVC
is it possible give to the user a progress bar of the zipping process? Thanks in advance. ...