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New in ASP.NET Core 3.0 - Generic Hosting Environment

In ASP.NET Core 3.0 the ... longer bound to ASP.NET Core. This means you ... to use the ASP.NET Core Framework. This ... Hosting Environment in ASP.NET Core 3.0. During ... with some more ASP.NET Core 3.0 features. ... server and without ASP.NET Core. Also Blazor ... look like in ASP.NET Core 3.0? First ... This is a ASP.NET Core 2.2 Startup.cs ... and to bootstrap ASP.NET Core using the ... of a new ASP.NET Core 3.0 web ...

12.12.2020 | 1488 25 | Jürgen Gutsch

.NET Conf 2019

... the community. As well as last year, I also did a talk this year. I talked about the ASP.NET Core Health Checks and it went much better this time. There were no technical problems and because of my ... some time to watch all the other awesome recordings. My own talk I was talking about the ASP.NET Core health Checks, which is a cool and fascinating topic. I did a quick introduction about it and ...

27.09.2020 | 964 19 | Jürgen Gutsch

Getting the .editorconfig working with MSBuild

In January I wrote a post about setting up VS2019 and VSCode to use the .editorconfig . In this post I'm going to write about how to get the .editorconfig settings checked during build time. It works like it should work: In the editors. And it works in VS2019 at build-time. But it doesn't work at build time using MSBuild. This means it won't work with the .NET CLI, it won't work with VSCode ...

08.07.2020 | 46 1 | Jürgen Gutsch

Can a .NET Core 3.0 compiled app run with a .NET Core 3.1 runtime?

Within our product we move more and more stuff in the .NET Core land. Last week we had a disussion around needed software requirements and in the .NET Framework land this question was always easy to answer: .NET Framework 4.5 or higher. With .NET Core the answer is sligthly different: In theory major versions are compatible, e.g. if you compiled your app with .NET Core 3.0 and a .NET ...

01.07.2020 | 71 1 | Code-Inside Blog

Exploring Orchard Core - Part 1

... it was this ASP.NET Community Standup: ASP.NET Community Standup - November 27, 2018 ... framework built with ASP.NET Core, and a content management system ... thing written in ASP.NET Core. The Orchard CMS was designed ... should be a ASP.NET Core application, it should be ... As usual in ASP.NET Core I get ... like an empty ASP.NET Core project. Where ... able to configure ASP.NET Core features inside ...

29.06.2020 | 42 0 | Jürgen Gutsch

[Off-Topic] 2020 will be a year full of challenges

... to challenge me again to do some more stuff for the developer community: Writing a blog post at least every second week Just ask for topics. Rewrite my book to updated it to ASP.NET Core 5.0 and really, really, really get it published Writing some more technical articles for my favorite magazine. Trying to do some talks on conferences and user groups The next planned talk is at the DWX ...

08.06.2020 | 103 2 | Jürgen Gutsch

SqlBulkCopy for fast bulk inserts

Within our product OneOffixx we can create a “full export” from the product database. Because of limitations with normal MS SQL backups (e.g. compatibility with older SQL databases etc.), we created our own export mechanic. An export can be up to 1GB and more. This is nothing to serious and far from “big data”, but still not easy to handle and we had some issues to import larger ...

01.06.2020 | 169 1 | Code-Inside Blog

Blazor for Office Add-ins: First look

... week I did some research and tried to build a pretty basic Office Addin (within the “new” web based Addin model) with Blazor. Side note: Last year I blogged about how to build Office Add-ins with ASP.NET Core. Why Blazor? My daily work home is in the C# and .NET land, so it would be great to use Blazor for Office Addins, right? A Office Add-in is just a web application with a “communication ...

30.04.2020 | 174 2 | Code-Inside Blog

Escape enviroment variables in MSIEXEC parameters

Problem Customers can install our product on Windows with a standard MSI package. To automate the installation administrators can use MSIEXEC and MSI parameters to configure our client. A simple installation can look like this: msiexec /qb /i "OneOffixx.msi" ... CACHEFOLDER "D:/OneOffixx/" The “CACHEFOLDER” parameter will be written in the .exe.config file and our program ...

28.03.2020 | 222 1 | Code-Inside Blog

TLS/SSL probelems: 'Could not create SSLTLS secure channel'

Problem Last week I had some fun debugging a weird bug. Within our application one module makes HTTP requests to a 3rd party service and depending on the running Windows version this call worked or failed with: 'Could not create SSLTLS secure channel' I knew that older TLS/SSL versions are deprecated and that many services refuse those protocols, but we still didn’t finally ...

01.03.2020 | 328 4 | Code-Inside Blog

Accessibility Insights: Spot accessibilities issues easily for Web Apps and Windows Apps

Accessibility Accessibility is a huge and important topic nowadays. Keep in mind that in some sectors (e.g. government, public service etc.) accessibility is a requirement by law (in Europe the European Standards EN 301 549). If you want to learn more about accessibility in general this might be handy: MDN Web Docs: What is accessibility? Tooling support In my day to day job for ...

01.02.2020 | 314 4 | Code-Inside Blog

Using the .editorconfig in VS2019 and VSCode

... in 2001. Later I used VB.NET on the server and switched to C# in 2007. In our company we use ASP.NET Core more and more. This also means we are more and more free to use the best editor we want to ... use platform we want to work with. Some of us use already and prefer VSCode to work on ASP.NET Core projects. Maybe we'll have a fellow colleague in the future who prefers VSCode on Linux or VS on a Mac. ...

13.01.2020 | 411 3 | Jürgen Gutsch

T-SQL Pagination

The problem This is pretty trivial: Let’s say you have blog with 1000 posts in your database, but you only want to show 10 entries “per page”. You need to find a way how to slice this dataset into smaller pieces. The solution In theory you could load everything from the database and filter the results “in memory”, but this would be quite stupid for many reasons (e.g. you load much more ...

31.12.2019 | 603 9 | Code-Inside Blog

ASP.NET Hack Advent Post 24: When environments are not enough, use sub-environments!

ASP.NET Core knows the concept of runtime environments like Development, Staging and Production. But sometimes those ... you could use sub-environments. This is not a built-in feature, but is easily implemented in ASP.NET Core. Thomas Levesque describes how: ASP.NET CORE: WHEN ENVIRONMENTS ARE NOT ENOUGH, USE SUB-ENVIRONMENTS! Thomas Levesque is a French developer living in ...

24.12.2019 | 505 3 | Jürgen Gutsch

ASP.NET Hack Advent Post 23: Setting up Azure DevOps CI/CD for a .NET Core 3.1 Web App hosted in Azure App Service fo...

After you migrated your ASP.NET Core application to a Linux based App Service, you should setup a CI/CD pipeline ideally on Azure DevOps. And again it is Scott Hanselman who ... for a .NET Core 3.1 Web App hosted in Azure App Service for Linux So, read this post to learn more about ASP.NET Core on Linux. Blog: https://www.hanselman.com/blog Twitter: https://twitter.com/shanselman

23.12.2019 | 485 1 | Jürgen Gutsch

ASP.NET Hack Advent Post 22: User Secrets in Docker-based .NET Core Worker Applications

Do you want to know how to manage the user secrets in Docker based .NET Core Worker applications? As a part of the Message Endpoints in Azure series Jimmy Bogard is writing an awesome blog post about this. User Secrets in Docker-based .NET Core Worker Applications Jimmy Bogard is chief architect at Headspring, creator of AutoMapper and MediatR, author of the MVC in Action books, ...

22.12.2019 | 502 3 | Jürgen Gutsch

ASP.NET Hack Advent Post 21: Moving an ASP.NET Core from Azure App Service on Windows to Linux by testing in WSL and ...

Scott Hanselman again writes about ASP.NET Core applications on Linux. This time the post is about moving an ASP.NET Core application from a Windows to a Linux based App Service: Moving an ASP.NET Core from Azure App Service on Windows to Linux by testing in ... have to read it, if you want to run your ASP.NET Core application on Linux. Blog: https://www.hanselman.com/blog Twitter: ...

21.12.2019 | 480 1 | Jürgen Gutsch

ASP.NET Hack Advent Post 20: The ultimate guide to secure cookies with web.config in .NET

For the todays ASP.NET Hack Advent, I found a awesome post about cookie security. This post is the latest part of a series about ASP.NET Security. Cookie security is important to avoid cookie hijacking via cross-site scripting and something like this. The ultimate guide to secure cookies with web.config in .NET This post was written by Thomas Ardal, who is a speaker, software ...

20.12.2019 | 532 0 | Jürgen Gutsch

ASP.NET Hack Advent Post 19: Migrate a real project from ASP.NET Core 2.2 to 3.1

Because I got a lot of questions about migrating ASP.NET Core applications to 3.1, I will introduce another really good blog post about ... a post about a real project that needs to be migrated from ASP.NET Core 2.2. to 2.1. He is writing about how to update the ... and about what needs to be changed in the Startup.cs: Migration from Asp.Net Core 2.2 to 3.1 — Real project This post was written by ...

19.12.2019 | 512 0 | Jürgen Gutsch

ASP.NET Hack Advent Post 18: The .NET Foundation has a new Executive Director

On December 16th, Jon Galloway announced that Oren Novotny will follow him as the new Executive Director of the .NET Foundation. Jon started as Executive Director in February 2016. Until now, the .NET Foundation added a lot of value for the .NET community. They added a lot of more awesome projects to the Foundation and provided many services for them. The .NET Foundation launched a ...

18.12.2019 | 523 0 | Jürgen Gutsch

ASP.NET Hack Advent Post 17: Creating Common Intermediate Language projects with .NET SDK

For the todays ASP.NET Hack Advent post, I found a link to one of the awesome posts of Filip W. In this post Filip describes the new project type that allows you to write .NET Projects in IL code directly. He writes how to create a new Microsoft.NET.Sdk.IL project and how to write IL code. He also answered the most important question about why you might need to write IL code directly. ...

17.12.2019 | 526 0 | Jürgen Gutsch

ASP.NET Hack Advent Post 16: ConfigureAwait & System.Threading.Channels

Stephen Toub published two really good blog post about in the Microsoft .NET Net blog. The first one is a really good and detailed FAQ style post about ConfigureAwait. If you would like to learn about ConfigureAwait, you should read it: ConfigureAwait FAQ The second one is an introduction into System.Threading.Channels. This post is really good introduction and goes more and ...

16.12.2019 | 528 0 | Jürgen Gutsch

ASP.NET Hack Advent Post 15: About silos and hierarchies in software development

This post is a special one. Not really related to .NET Core or ASP.NET Core, but to software development in general. I recently stumbled upon this post and while reading it I found myself remembering the days back when I needed to write code others estimated and specified for me. About silos and hierarchies in software development The woman who wrote this post lives in Cologne ...

15.12.2019 | 516 0 | Jürgen Gutsch

ASP.NET Hack Advent Post 14: MailKit

This fourteenth post is about a cross-platform .NET library for IMAP, POP3, and SMTP. On Twitter I got asked about sending emails out from a worker service. So I searched for the documentation about System.Net.Mail and the SmtpClient Class and was really surprised that this class was marked as obsolete. It seems I missed the announcement about this. The .NET team recommend to use ...

14.12.2019 | 511 0 | Jürgen Gutsch

ASP.NET Hack Advent Post 13:.NET Conf: Focus on Blazor

... but will be there soon, as they wrote. I like the idea to have special focused .NET Confs. The infrastructure with the Channel9 studios already is available, so it is cheap to setup a virtual conference like this. And I can imagine a few more topics to focus on: Entity Framework Core ASP.NET Core Async/Await Desktop And maybe a MVP driven .NET Conf during the MVP Summit 2020 in March ;-)