Asp.net Blogs & News @CODEKICKER

8

Working inside WSL using Visual Studio Code

... If this is done, you can prove the installation by typing dotnet --info into the terminal: That's it about the installation of the .NET 5 SDK. Now let's create a project Creating a ASP.NET Core project inside the WSL This doesn't really differ from creating a project on Windows, except it is on the Linux file system. Create a Razor Pages project using the dotnet CLI dotnet new webapp -o ...

vorgestern | 26 0 | Jürgen Gutsch

5

How to get all distribution lists of a user with a single LDAP query

In 2007 I wrote a blogpost how easy it is to get all “groups” of a given user via the tokenGroup attribute. Last month I had the task to check why “distribution list memberships” are not part of the result. The reason is simple: A pure distribution list (not security enabled) is not a security group and only security groups are part of the “tokenGroup” attribute. After some thoughts and ...

31.12.2020 | 86 5 | Code-Inside Blog

13

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 | 2352 36 | Jürgen Gutsch

9

Update AzureDevOps Server 2019 to AzureDevOps Server 2019 Update 1

We did this update in May 2020, but I forgot to publish the blogpost… so here we are Last year we updated to Azure DevOps Server 2019 and it went more or less smooth. In May we decided to update to the “newest” release at that time: Azure DevOps Server 2019 Update 1.1 Setup Our AzureDevOps Server was running on a “new” Windows Server 2019 and everything was still kind of newish - so we just ...

30.11.2020 | 231 4 | Code-Inside Blog

6

DllRegisterServer 0x80020009 Error

Last week I had a very strange issue and the solution was really “easy”, but took me a while. Scenario For our products we build Office COM Addins with a C based “Shim” that boots up our .NET code (e.g. something like this. As the nature of COM: It requires some pretty dumb registry entries to work and in theory our toolchain should “build” and automatically “register” the output. ...

01.11.2020 | 171 3 | Code-Inside Blog

7

How to share an Azure subscription in a team

We at Sevitec are moving more and more workloads for us or our customers to Azure. So the basic question needs an answer: How can a team share an Azure subscription? Be aware: This approach works for us. There might be better options. If we do something stupid, just tell me in the comments or via email - help is appreciated. Step 1: Create a directory We have a “company directory” with a ...

30.09.2020 | 235 2 | Code-Inside Blog

3

.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 | 1667 28 | Jürgen Gutsch

7

How to run a legacy WCF .svc Service on Azure AppService

Last month we wanted to run good old WCF powered service on Azures “App Service”. WCF… what’s that? If you are not familiar with WCF: Good! For the interested ones: WCF is or was a framework to build mostly SOAP based services in the .NET Framework 3.0 timeframe. Some parts where “good”, but most developers would call it a complex monster. Even in the glory days of WCF I tried to avoid it ...

01.09.2020 | 365 1 | Code-Inside Blog

6

ASP.NET Core Health Checks

... write about the ASP.NET Health Checks which ... development of the ASP.NET Core Health Checks ... get into the ASP.NET Health Checks and ... the ASP.NET Health Checks. And ... an ASP.NET application that is ... ASP.NET health checks are ... ASP.NET Health Checks: Check ... ASP.NET MVC project that ... AspNet Core.HealthChecks.UI The UIResponseWriter ... AspNet Core.Diagnostics.HealthChecks also provides ...

20.08.2020 | 338 2 | Jürgen Gutsch

8

EWS, Exchange Online and OAuth with a Service Account

This week we had a fun experiment: We wanted to talk to Exchange Online via the “old school” EWS API, but in a “sane” way. But here is the full story: Our goal We wanted to access contact information via a web service from the organization, just like the traditional “Global Address List” in Exchange/Outlook. We knew that EWS was on option for the OnPrem Exchange, but what about Exchange ...

01.08.2020 | 277 2 | Code-Inside Blog

8

Getting the .editorconfig working with the .NET Framework and MSBuild

I demonstrated my results of the last post about the .editorconfig to the team last week. They were quite happy about the fact that the build fails on a code style error but there was one question I couldn't really answer. The Question was: Does this also work for .NET Framework? It should, because it is Roslyn who analyses the code. It is not any framework who does it. To try it out I ...

24.07.2020 | 405 2 | Jürgen Gutsch

8

.NET Interactive in Jupyter Notebooks

Since almost a year I do a lot of Python projects. Actually Python isn't that bad. Python and Flask to build web applications work almost similar to NodeJS and ExpressJS. Similarly to NodeJS, Python development is really great using Visual Studio Code. People who are used to use Python know Jupyter Notebooks to create interactive documentations. Interactive documentation ...

22.07.2020 | 443 1 | Jürgen Gutsch

4

Getting the .editorconfig working with MSBuild

UPDATE: While trying the .editorconfig and writing this post, I did a fundamental mistake. I added a ruleset file to the projects and this is the reason why it worked. It wasn't really the .editorconfig in this case. I'm really sorry about that. Please find this post to learn how it is really working. In January I wrote a post about setting up VS2019 and VSCode to use the .editorconfig . ...

08.07.2020 | 443 2 | Jürgen Gutsch

10

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 | 548 2 | Code-Inside Blog

3

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 | 292 1 | Jürgen Gutsch

8

[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 | 460 3 | Jürgen Gutsch

11

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 | 409 1 | Code-Inside Blog

6

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 | 521 2 | Code-Inside Blog

7

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 | 426 1 | Code-Inside Blog

5

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 | 556 5 | Code-Inside Blog

9

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 | 505 4 | Code-Inside Blog

8

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 | 602 3 | Jürgen Gutsch

9

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 | 811 19 | Code-Inside Blog

4

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 | 714 3 | Jürgen Gutsch

4

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 | 654 2 | Jürgen Gutsch

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