ASP.NET Core, Blazor, .NET, Azure, SharePoint, IoT
My introduction to composite command pattern was more theoretical and focused to high-level details. This blog post focuses on implementation details and introduces how to use composite command in ASP.NET Core to upload and process photos.
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I thought first my ASP.NET Core edition of Hello, Blinky will be my last Hello, Blinky for long time. But then something reminded me of Blazor and I thought why not build Blazor edition of Hello, Blinky for Windows IoT Core and Raspberry Pi? After some hacking I made it work. Here’s my Hello, Blinky for Blazor.
Read moreJust wrote down something I had to went through with students in one of my classes – making file upload work in ASP.NET Core application. Here are samples of single and multiple file uploads using simple controller actions.
Read moreASP.NET Core 3.0 applications doesn’t build views automatically by default when changes are made. Views are built when application compiles and this is expected final state for views. It’s still possible to make ASP.NET Core application build views when changes are made. Most popular case is when application is running on Visual Studio and we are working on cosmetics of view.
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With Visual Studio 2019 we can publish ASP.NET Core 3.0 applications as self-contained executable. It’s specially useful for environments where ASP.NET Core 3.0 is not installed or where we don’t have permissions to install it. Here’s how to do it.
Read moreOnce upon a time I worked out simple file client generalization so my applications can keep files on local machine or somewhere on the cloud without changes in application code. This blog post shows how to generalize file access in web applications and provides implementations for local and cloud file clients.
Read moreComing to cloud with web application can be scary if it’s the first time you do it. Azure cloud is not anymore about dozen of services – it’s real monster offering more than we are able to know and learn. It’s not easy to predict what will be the final path on cloud but it is possible to tell how to get started. Here’s my advice to you.
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NHibernate has been my favorite ORM for long time. Although it’s more complex for beginners than Entity Framework it’s more matured and many developers consider it to be practially an industry standard. NHibernate works with ASP.NET Core too. This blog post shows how to use NHibernate in ASP.NET Core MVC applications.
Read moreAzure Cognitive Services is set of powerful and intelligent cloud services to analyze photos and images. This blog post shows how to create smart thumbnails using Azure cognitive services and ASP.NET Core.
Read moreI found temporary cross-platform solution for .NET Core to read system memory metrics until framework level libraries appear. This blog post shows how to build ASP.NET Core health check for system memory metrics.
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.NET Core 3.0 comes with support for self-contained executables. It means we can publish applications as a single executable for specified platform. Also trimming – removing of unused code from assemblies – is supported. This blog post demonstrates how to build self-contained executables using .NET Core.
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After finishing my writing about ASP.NET Core health checks I started finding a way how to visual health check results so I can display these on the wall mounted TV or big screen. This blog post introduces how to visualize ASP.NET Core health checks with Grafana and InfluxDB.
Read moreIt’s time to get back to old era of this blog and bring my vCard action result to today’s ASP.NET Core world. There’s also support for images so we can provide really good looking vCards from ASP.NET Core applications. This blog post gives a good base for custom vCard solutions in ASP.NET Core.
Read moreWe all probably know how to inject instance of interface to class using dependency injection in ASP.NET Core. But how can we inject all instances of interface to some class, let’s say controller, using dependency injection? The trick is simple and it’s shown in this blog post.
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After installing ASP.NET Core 3.0 on Windows 10 IoT Core and getting my ASP.NET Core 3.0 LED controlling application work I wanted to finish this journey with some classics – Hello, blinky application.
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After getting .NET Core SDK and ASP.NET Core 3.0 work on my RaspberryPi and Windows 10 IoT Core I wanted to try out if I can communicate with some electronics right from web application. It is possible and here is how to do it.
Read moreThing I left out from my post about ASP.NET Core health checks was the old legacy system we all know. It works and nobody wants to touch it. Other systems must be very careful with it because it is easy to break it down with load. Of course, there’s no way for us to replace or fix the elder monster. Here’s how to make sure we don’t take it accidentally down with too frequent ping checks or ping flood.
Read moreASP.NET Core 3.0 will run on RaspberryPi and other boards out of the box. There are also SDK binaries available in .NET Core 3.0 download page. Having full SDK available on RaspberryPi means that we can now build applications on board. Let’s see how it works.
Read moreASP.NET Core comes with built-in support for health checks that allow us to monitor system health. It’s not about logging or advanced monitoring – it’s about giving quick information if system is okay or not. This blog post shows how ASP.NET Core health checks work.
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Preview 6 version of .NET Core is released and one interesting new feature is authentication and authorization for server-side Blazor applications. This blog post goes through work currently done and shows how authentication works with server-side Blazor applications.
Read moreOne beautiful day I found the following exception from application error logs: “Authentication failed because the remote party has closed the transport stream exception” and one of our integrations was down. The problem occured only in ASP.NET MVC application. Background services using same external service were not affected. Here’s the solution.
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