.NET C# Java Javascript Exception

C# Blogs & News

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Querying AD in SQL Server via LDAP provider

This is kinda off-topic, because it's not about ASP.NET Core, but l really like it to share. I recently needed to import some additional user data via a nightly run into a SQL Server Database. The base user data came from a SAP database via an CSV bulk import. But not all of the data. E.g. the telephone numbers are maintained mostly by the users itself in the AD. After SAP import, we need to ...
.net asp.net csharp visual-studio
07.08.2017 | 27 0 | Jürgen Gutsch

How to convert .crt & .key files to a .pfx

The requirements are simple: You will need the .cer with the corresponding .key file and need to download OpenSSL. If you are using Windows without the awesome Linux Subsystem, take the latest pre-compiled version for Windows from this site Otherwise with Bash on Windows you can just use OpenSSL via its “native” environment. Thanks for the hint @kapsiR After the download run this ...
.net asp.net asp.net-mvc csharp css html5 iis javascript jquery web
01.08.2017 | 169 2 | Code-Inside Blog

Creating an email form with ASP.NET Core Razor Pages

In the comments of my last post, I got asked to write about, how to create a email form using ASP.NET Core Razor Pages. The reader also asked about a tutorial about authentication and authorization. I'll write about this in one of the next posts. This post is just about creating a form and sending an email with the form values. Creating a new project To try this out, you need to have the ...
.net asp.net csharp visual-studio
26.07.2017 | 243 2 | Jürgen Gutsch

New Visual Studio Web Application: The ASP.NET Core Razor Pages

I think, everyone who followed the last couple of ASP.NET Community Standup session heard about Razor Pages. Did you try the Razor Pages? I didn't. I focused completely on ASP.NET Core MVC and Web API. With this post I'm going to have a first look into it. I'm going to try it out. I was also a little bit skeptical about it and compared it to the ASP.NET Web Site project. That was definitely ...
.net asp.net csharp visual-studio
24.07.2017 | 250 1 | Jürgen Gutsch

LightCore is back - LightCore 2.0

Until now it is pretty hard to move an existing more complex .NET Framework library to .NET Core or .NET Standard 1.x. More complex in my case just means, e. g. that this specific library uses reflection a little more than maybe some others. I'm talking about the LightCore DI container. I started to move it to .NET Core in November 2015, but gave up halve a year later. Because it needs ...
.net asp.net csharp visual-studio
17.07.2017 | 72 0 | Jürgen Gutsch

Three times in a row

On July 1st, I got the email from the Global MVP Administrator. I got the MVP award the third time in a row :) I'm pretty proud about that and I'm happy to be part of the great MVP community one year more. I'm also looking forward to the Global MVP Summit in March to meet all the other MVPs from around the world. Not really a fan-boy...? I'm also proud of that, because I don't really call me a ...
.net asp.net csharp visual-studio
10.07.2017 | 78 0 | Jürgen Gutsch

DWX2017: Inhalte zum meinen Sessions

Wie jedes Jahr fand auch in diesem Jahr wieder mit der Developer Week die größte deutsche Entwicklerkonferenz im NCC Ost in Nürnberg statt. An dieser Stelle möchte ich nun alle Inhalte zu meinen Sessions und Workshops zum Download anbieten. Im Archiv enthalten sind alle Inhalte, die während meiner Session erzeugt wurden, also Folien, Notizen in OneNote sowie alle Projekte aus ...
.net csharp softwarequalitaet visual-studio
03.07.2017 | 97 2 | David Tielke

Non-cryptographic hash functions for .NET

Creating hashs is quite common to check if content X has changed without looking at the whole content of X. Git for example uses SHA1-hashs for each commit. SHA1 itself is a pretty old cryptographic hash function, but in the case of Git there might have been better alternatives available, because the “to-be-hashed” content is not crypto relevant - it’s just content marker. Well… in ...
.net asp.net asp.net-mvc csharp css html5 iis javascript jquery web
30.06.2017 | 73 0 | Code-Inside Blog

GraphQL end-point Middleware for ASP.NET Core

The feedback about my last blog post about the GraphQL end-point in ASP.NET Core was amazing. That post was mentioned on reddit, many times shared on twitter, lInked on http://asp.net/ and - I'm pretty glad about that - it was mentioned in the ASP.NET Community Standup. Because of that and because GraphQL is really awesome, I decided to make the GraphQL MiddleWare available as a ...
.net asp.net csharp visual-studio
22.06.2017 | 536 0 | Jürgen Gutsch

Channel 9: Die neuesten und besten Features von C# 7.0

In diesem Channel 9-Video stellt Microsoft Regional Director Mark Michaelis die neueste Version von C# vor und zeigt die besten Features für die Projektarbeit mit C# 7.0 . ...
.net csharp news
21.06.2017 | 35 0 | MSDN Deutschland

Jetzt anmelden zum Office 365 Hackathon am 10. Juni in München

Am 10. Juni 2017 findet von 9:30-20:00 Uhr ein Office 365 Hackathon bei Microsoft in München statt. In dem Hackathon steht die Entwicklung von Modernen Add-ins und der automatisierte Zugriff auf die neuen Microsoft Graph-Dienste, die allen Office 365 Usern zur Verfügung stehen, im Mittelpunkt. Auf der Agenda stehen neben dem Hackathon auch Vorträge sowie Zeit für den ...
.net csharp news office office-365
30.05.2017 | 52 0 | MSDN Deutschland

A first glimpse into .NET Core 2.0 Preview 1 and ASP.​NET Core 2.0.0 Preview 1

At the Build 2017 conference Microsoft announced the preview 1 versions of .NET Core 2.0, of the .NET Standard 2.0 and ASP.NET Core 2.0. I recently had a quick look into it and want to show you a little bit about it with this post. .NET Core 2.0 Preview 1 Rich Lander (Program Manager at Microsoft) wrote about the release of the preview 1, .NET Standard 2.0, tools support in this post: ...
.net asp.net csharp visual-studio
30.05.2017 | 613 0 | Jürgen Gutsch

Using Visual Studio Code & Team Foundation Version Control (TFVC)

Recently we start working on a Angular 4 app but all other parts of the application (e.g. the backend stuff) were stored in a good old TFVC based repository (inside a Team Foundation Server 2015) . Unfortunately building an Angular app with the full blown Visual Studio with the “default” Team Explorer workflow is not really practical. Another point for using Visual Studio Code was ...
.net asp.net asp.net-mvc csharp css html5 iis javascript jquery web
30.05.2017 | 91 0 | Code-Inside Blog

Exploring GraphQL and creating a GraphQL endpoint in ASP.NET Core

A few weeks ago, I found some time to have a look at GraphQL and even at the .NET implementation of GraphQL. It is pretty amazing to see it in actions and it is easier than expected to create a GraphQL endpoint in ASP.NET Core. In this post I'm going to show you how it works. The Graph Query Language The GraphQL was invented by Facebook in 2012 and released to the public in 2015. It is a query ...
.net asp.net csharp visual-studio
29.05.2017 | 689 0 | Jürgen Gutsch

Channel 9: Apps für virtuelle und gemischte Realitäten mit C# erstellen

In einer Aufzeichnung von der Build 2017 zeigt Mikayla Hutchinson von Microsoft, wie sich Apps für virtuelle und gemischte Realitäten mit C# erstellen lassen. UrhoSharp ist ein code-first, plattformübergreifendes 3D- und 2D-Spiele-Framework, das einfach in C#- und F#-Apps integrierbar ist. Wie man UrhoSharp in eine App einfügt und unter Einsatz von Microsoft HoloLens ...
.net csharp microsoft-hololens news visual-studio
23.05.2017 | 51 0 | MSDN Deutschland

Channel 9: Neuerungen in Xamarin.Forms von der Build 2017

Das Erstellen von plattformübergreifenden nativen UIs war einmal nur ein Traum. Mit Xamarin.Forms wurde dieser Traum Realität. So können Entwickler mittlerweile Apps nur mit C# für iOS, Android und Windows erstellen. Die Features von Xamarin.Forms werden ständig erweitert. Dieses Video zeigt die auf der Build 2017 vorgestellten Neuerungen in Xamarin.Forms und wirft ...
.net csharp news windows xamarin
17.05.2017 | 40 0 | MSDN Deutschland

ASP.NET Core in trouble

ASP.NET Core today Currently ASP.NET Core - Microsoft's new web framework - can be used on top of .NET Core and on top of the .NET Framework. This fact is pretty nice, because you are able to use all the new features of ASP.NET Core with the power of the huge but well known .NET Framework. On the other hand, the new cross-platform .NET Core is even nice, but with a smaller set of features. ...
.net asp.net csharp visual-studio
10.05.2017 | 249 0 | Jürgen Gutsch

Adding a custom dependency injection container in ASP.NET Core

ASP.NET Core is pretty flexible, customizable and extendable. You are able to change almost everything. Even the built-in dependency injection container can be replaced. This blog post will show you how to replace the existing DI container with another one. I'm going to use Autofac as a replacement. Why should I do this? There are not many reasons to replace the built-in ...
.net asp.net csharp visual-studio
08.05.2017 | 227 0 | Jürgen Gutsch

How to add custom logging in ASP.NET Core

ASP.NET Core is pretty flexible, customizable and extendable. You are able to change almost everything. Even the logging. If you don't like the built-in logging, you are able to plug in your own logger or an existing logger like log4net, NLog, Elmah. In this post I'm going to show you how to add a custom logger. The logger I show you, just writes out to the console, but just for one ...
.net asp.net csharp visual-studio
05.05.2017 | 643 0 | Jürgen Gutsch

Channel 9: C# programmieren lernen: Datentypen und Typkonvertierungen

In diesem Channel 9-Video sehen C#-Programmiereinsteiger, was Datentypen sind, und wie Typkonvertierungen funktionieren. Das Video von Microsoft MVP Eng Teong Cheah dauert knapp 10 Minuten. ...
.net csharp news visual-studio
04.05.2017 | 52 0 | MSDN Deutschland

Channel 9: C# programmieren lernen: Variablen und Konstanten

In einem kurzen Video zeigt Eng Teong Cheah, Microsoft MVP in Visual Studio und Development Technologies, Programmiereinsteigern in C#, was es mit Variablen und Konstanten auf sich hat. Das Video dauert knapp 15 Minuten. ...
.net csharp news visual-studio
03.05.2017 | 65 0 | MSDN Deutschland

C#: Private Typen in ein XML serialisieren

Eigentlich ist es ja ein alter Hut (und XML ist für viele out), aber aus Gewohnheit bin ich heute selbst wieder in diese Falle getappt. Es geht um eine kleine Library, die eine möglichst kleine Schnittstelle nach außen bieten soll. Diese dient dazu, um einige Konfigurationen vornehmen zu können. Diese werden im Hintergrund in XML-Dateien persistiert. Soweit kein Ding. Nun liegt ...
.net csharp datacontract datacontractserializer datamember softwareentwicklung xml xmlserializer
28.04.2017 | 96 0 | Norbert Eder

Error while starting Docker for Windows

The last couple of months I wanted to play around with Docker for Windows. It worked just twice. Once at the first try for just one or two weeks. Then I got an error, when Docker tries to initialize right after Windows starts. After I reinstalled Docker for Windows it runs the second time for a two or three weeks. I tried to reinstall all that stuff but I didn't get it running again on my ...
.net asp.net csharp visual-studio
28.04.2017 | 108 0 | Jürgen Gutsch

Die Developer Skills erweitern in der "Know it. Prove it. challenge"

Noch bis zum 17. Mai läuft die "Know it. Prove it. challenge" (kipi) in der Microsoft Virtual Academy. Developer können karrierefördernde Kurse zu den vier Themen "Spieleentwicklung", "App-Erstellung mit Xamarin", "Intelligenz in Apps einbinden" und "Web-Entwicklung für Anfänger" absolvieren und werden dafür mit Fachwissen und coolen Badges belohnt. Wie die Challenge ...
.net asp.net csharp html news visual-studio xamarin
26.04.2017 | 80 0 | MSDN Deutschland

.NET CultureInfo in Windows 10

Did you know that the CultureInfo behavior with “unkown” cultures has changed with Windows 10? I stumbled two times about this “problem” - so this is enough to write a short blogpost about it. Demo Code Lets use this democode: try { // ok on Win10, but not on pre Win10 if culture is not registred CultureInfo culture1 new CultureInfo("foo"); CultureInfo culture2 new ...
.net asp.net asp.net-mvc csharp css html5 iis javascript jquery web
24.04.2017 | 285 0 | Code-Inside Blog
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