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.NET6

.NET6

Great Reads

MVC .NET Core Dynamic Role Based Authorization

by dnxit

MVC .NET Core 3.1 Dynamic Role based authorization using Authorization Handler & Custom Authorize Policy

Optimal Control of a Quadcopter

by Igor Ladnik

Automatic generation of optimal control policies for the basic quadcopter flight modes

Entity Framework Fundamentals

by Kenji Elzerman

Fundamentals of Entity Framework

Building an Angular 13 Application with .NET 6 (Global Market) - Part 1

by Fred Song (Melbourne)

Build a simple finance application with Angular 13 and .NET 6

Latest Articles

OpenGL and WPF: Integrating an OpenGL Window inside a WPF Window

by gabriel4sonic

Shows how to use OpenGL in a .NET WPF application by directly incorporating an OpenGL window as a child of the main WPF window, making it behave more like a control

Creating a "League of Legends" Inspired Play Button in WPF

by vickyqu115

This article provides a detailed explanation and analysis of developing a PLAY button inspired by the game "League of Legends" using pure WPF technology.

How to Automate Saving Webpages as a Single .MHTML Files using Selenium Webdriver

by Federico Di Marco

Saving webpages in single self contained files using Selenium Webdriver

Easy Compare DB

by Eligio Morgado H.

Compare two SQL Server databases and show difference in tables and fields

All Articles

.NET6

MVC .NET Core Dynamic Role Based Authorization

15 Apr 2022 by dnxit

MVC .NET Core 3.1 Dynamic Role based authorization using Authorization Handler & Custom Authorize Policy

Optimal Control of a Quadcopter

20 Jun 2022 by Igor Ladnik

Automatic generation of optimal control policies for the basic quadcopter flight modes

Entity Framework Fundamentals

5 Dec 2022 by Kenji Elzerman

Fundamentals of Entity Framework

entity-framework

Building an Angular 13 Application with .NET 6 (Global Market) - Part 1

19 May 2022 by Fred Song (Melbourne)

Build a simple finance application with Angular 13 and .NET 6

Build a Visual Doctor Appointment Scheduling System in ASP.NET Core (.NET 6)

12 Jan 2022 by Dan Letecky

Use ASP.NET Core, Entity Framework, DayPilot and vanilla JavaScript to build a web application for doctor appointment scheduling.

entity-framework

Building an Angular 13 Application with .NET 6 (Global Market) - Part 2

7 Jun 2022 by Fred Song (Melbourne)

Build a simple finance application with Angular 13 and .NET 6

Blazor Communicates with Win Desktop App through SignalR

17 Mar 2022 by Ladware.Net

Blazor and Windows Form desktop application

Working with System.Text.Json in C#

31 Oct 2022 by Graeme_Grant

Working with simple JSON objects and collections to Custom Converters and Transformations into .NET classes - System.Text.Json

Introducing R# Language

3 Aug 2022 by Mr. xieguigang 谢桂纲

R# language is a kind of R liked language implements on .NET environment

A Custom Numeric UpDown Control

24 Jan 2023 by RickZeeland

A Custom Flat-style Numeric UpDown Control with a simple demo application written in .NET 6

A Beginners Guide for LINQ with C#

17 Dec 2022 by Kenji Elzerman

Let's take a look at the very fundamentals of LINQ and how to use it.

entity-framework

Easy to Learn .NET 6.0 and Angular – Standalone Template and WEB API Publish to IIS – Part 5

14 Jul 2022 by syed shanu

Getting started with .NET 6.0 and Standalone Angular Template with WEB API and publishing both WEB API and Angular projects to IIS

Debugging Azure Functions

31 Oct 2022 by Bert O Neill

Provide a developer’s overview on how to debug your Azure Functions locally or against a remote Azure

Image to Text with Azure Computer Vision

13 Nov 2022 by Kenji Elzerman

A simple tutorial with some code of how to read text from an image with Azure Computer Vision

computer-vision

Treemodel not working as it should

28 Jun 2023 by Graeme_Grant

I am not sure what your relation database table hierarchical setup is, so I will focus on a typical setup. The data is stored in a flat structure, usually with a pointer to a parent node. So something like this: class Data { public int Id {...

Excelsior! Building Applications Without a Safety Net - Part 4

2 Aug 2021 by Pete O'Hanlon

Fourth part of a series of articles where we build an application showing the entire thought process when writing it

Easy to Learn .NET 6.0 and Angular - Getting Started Multi Language – Part 4

26 Jun 2022 by syed shanu

Getting started with .NET 6.0 and Standalone Angular Template to create a Multi Language website using Angular NGX translate

DateOnly in ASP.NET 7 with JavaScript Clients

16 Nov 2022 by Zijian

Resolving issues with date picker component in ASP.NET 7 applications.

Dynamic routing in ASP .NET core based on data received from frontend

28 Apr 2023 by Member 15341738

I am working on CMS which contains many domains (so our URLs can look like www.example.com/group or www.example.com/de). I want to make a call from frontend based on current domain and then I need to be able to send it to a endpoint in the...

Cross origin angular 14 with web api .NET 6 get authenticated user

30 Apr 2023 by Graeme_Grant

This was released on YouTube 26minutes ago, it may help: Understanding CORS with ASP.NET Core C# - YouTube[^]. Anton is very good.

Blazor server app not communicating with REST api

16 Aug 2022 by Richard Deeming

As discussed in the comments, applications on different ports suggests a CORS problem: Cross-Origin Resource Sharing (CORS) - HTTP | MDN[^] Different ports means different origins. You'll need to update the API to send back an appropriate CORS...

OpenGL and WPF: Integrating an OpenGL Window inside a WPF Window

1 Mar 2024 by gabriel4sonic

Shows how to use OpenGL in a .NET WPF application by directly incorporating an OpenGL window as a child of the main WPF window, making it behave more like a control

How to add reference to system.windows.media in .NET 6 class library project

16 Jun 2022 by Ahmad_kelany

Hello, I am making some extension methods that extend System.Windows.Media.Color I was trying to include them in a .Net 6 class library to use them across multiple projects, But I couldn't add reference to the required namespace. What I have...

How to add reference to system.windows.media in .NET 6 class library project

3 Dec 2021 by Richard MacCutchan

Quote from MSDN: The requested page is not available for .NET 6. You have been redirected to the newest product version this page is available for. It would appear that this namespace is not part of .NET 6.

VS 2022 - windows app SDK - unpackaged apps

22 Dec 2021 by MrCrane

Hello Everyone, I was a C# Desktop dev up until ~2007, when I moved on to other stuff. At home, I've had a version of VS in one form or another installed have occasionally used it to solve a DB or data cleaning problem or two. Normally, I'd...

VS 2022 - windows app SDK - unpackaged apps

22 Dec 2021 by Richard MacCutchan

Quote: I just want to develop the app and run it from the project folder, is this possible? Check to see if an executable has been created and stored in the bin\Debug or bin\Release directories of the Project directory.

How to add reference to system.windows.media in .NET 6 class library project

18 Feb 2022 by Member 13908537

Hello, I Think you have to: target net6-windows, add true in you project file .csroj, .vbproj or fsproj, etc. and restore it. e.g; WinExe ...

How to upgrade 4.5 version WCF project to .NET 6

1 Mar 2022 by Telstra

I am upgrading my .NET solution from 4.5 to 6.0. I have multiple projects in one solution. One project which has domain classes is upgraded to 6.0 which is consuming WCF services which is another project. WCF service project is still in 4.5...

How to upgrade 4.5 version WCF project to .NET 6

1 Mar 2022 by Richard Deeming

If you want to migrate a WCF project to .NET 6, you will need to use the .NET port of WCF: GitHub - CoreWCF/CoreWCF: Main repository for the Core WCF project[^] Otherwise, you can migrate it to gRPC: Why migrate WCF to ASP.NET Core gRPC |...

How to add reference to system.windows.media in .NET 6 class library project

16 Jun 2022 by DrewTw

Install System.Windows.Extensions through NuGet PM Install-Package System.Windows.Extensions -Version 6.0.0

JWT bearer token not authorizing

9 Jul 2022 by Member 8583441

I am designing an api for Educational field. So, I have created WebAPI with authentication mode windows in .Net6. I am having two controllers namely, AuthController and TeacherController. AuthController for authorizing the user and to create JWT...

How do I rotate a shape derived class, created dynamically, with the mouse, in WPF?

14 Jul 2022 by FatalError0x4c

I need to rotate shape derived classes around their centre with the mouse. My code doesn't work. The shapes need to be created dynamically and not in XAML. What I have tried: private void Shape_MouseMove(object sender, MouseEventArgs e) ...

How do I rotate a shape derived class, created dynamically, with the mouse, in WPF?

14 Jul 2022 by FatalError0x4c

// thanks to this at stackoverflow

'Invalid URI: the format of the URI could not be determined.' error in actionresult method

3 Aug 2022 by Member 15341738

Hello, in my .NET6 MVC app I have created an endpoint which accepts two strings, one containing data which will be transformed into a file and and second one which takes a type of file which will we want to create (which is "pdf"). ...

'Invalid URI: the format of the URI could not be determined.' error in actionresult method

3 Aug 2022 by Sandeep Mewara

If you debug, you should observe that the URL formed is not a valid one. A URI is a compact representation of a resource available to your application on the intranet or internet.. Refer: Uri Class (System) | Microsoft Docs[^] Looking at what...

Method no longer returning a file after rewrite due to migration to .NET6

5 Aug 2022 by Member 15341738

Hello, so I'm in process of migrating of my app from .NET Framework 4.8 to .NET6. Due to some .NET classes being obsolete in newer version I am experiencing some problems. I have a controller in which one of endpoints is supposed to return a PDF...

Method no longer returning a file after rewrite due to migration to .NET6

7 Aug 2022 by Richard Deeming

Your .NET Framework code was returning a HttpResponseMessage message. The .NET 6 code is returning an OkObjectResult which will attempt to format the HttpContent as JSON. If you want to return the HttpResponseMessage in .NET 6, you'll need a...

Running method only once when starting an application in .NET6

18 Aug 2022 by Member 15341738

Hello, I'm migrating a .NET Framework 4.8 web API to .NET6. For creating PDFs I'm using an external library called ABCpdf. It needs a license key to work, which should be initialized only once, when the app is starting. Method which is...

Using Blazor's OwningComponentBase

1 Sep 2022 by Shaun C Curtis

An in depth look at how to use Blazor's OwningComponentBase

Best way to handle JSON deserialization failure in C#

30 Oct 2022 by Member 15341738

Hello, so long story short I have a web app, which uses Json deserialization in order to display information about products: var ProductInfo = JsonConvert.DeserializeObject(Product.CertificateFieldsHeader); I want to avoid...

Best way to handle JSON deserialization failure in C#

29 Oct 2022 by Graeme_Grant

Your best option is to generate the classes from the JSON data. This will do an initial check for malformed data. I like to use: JSON Utils: Generate C#, VB.Net, SQL TAble and Java from JSON[^]. There are others mentioned in the link below. As...

How do I filter my items in a datagrid using a textbox or checkboxes?

3 Feb 2023 by Member 15758581

I want to add a filtering-function to my (WPF) program. My problem isn that i don't know how i could find specific Items/Objects (DataGridTextColumns) from the DataGrid. I want to search for specific properties like as an example if my object...

How do I filter my items in a datagrid using a textbox or checkboxes?

3 Feb 2023 by OriginalGriff

Start here: How to: Group, sort, and filter Data in the DataGrid control - WPF .NET Framework | Microsoft Learn[^]

Undo with two richtextboxs VB.NET .net6

5 Mar 2023 by Jbennett856

I am writing a program where it has two RichTextBox's on the same form. I am trying to make it so the Undo/Redo/Copy/Paste/Cut select all etc.functions run independently of each of the RichTextbox's. Instead of having to run two separate...

Undo with two richtextboxs VB.NET .net6

6 Mar 2023 by Member 15627495

If RichTextBox1.Focused = true Then RichTextBox1.Undo() End If If RichTextBox2.Focused = true Then RichTextBox2.Undo() End If it's a basic, first you check the focus 'on' of the first RTBox, then for the second RTBox. 'Better' is an...

How to ensure the query uses a single context instance?

18 Apr 2023 by xTMx9

Hello, I am currently facing an error when running a method that could be related to 2 connectoin instances running at the same time but I can't find how is it happening exactly. The error: InvalidOperationException: Cannot use multiple context...

How to ensure the query uses a single context instance?

18 Apr 2023 by Richard Deeming

Quote: I have checked the program.cs file and all services are registered as "Transient" in it. Well, there's your problem. Services registered as "transient" will have a new instance created every time they are resolved. You have two (or...

Dynamic routing in ASP .NET core based on data received from frontend

28 Apr 2023 by Bohdan Stupak

Since you hit 500 error which is server-side error it might suggest that you have some deeper issue but to be able to handle /*/updatecookies pattern you need 1. Remove route from controller [Route("/")] 2. Setup following route for your...

Cross origin angular 14 with web api .NET 6 get authenticated user

30 Apr 2023 by Member 15992206

Hello, when I try to get window authenticated by .net 6 through angular, I get an error: Access to XMLHttpRequest at ... from origin 'http://localhost:4200' has been blocked by CORS policy: The value of the 'Access-Control-Allow-Origin' header...

Blazor server app not communicating with REST api

16 Aug 2022 by HobbyProggy

Hey guys, long time no see but i got a problem i can't solve, so i thought this might be the place to be! Short introduction to what i am trying to achieve, because i thought that's how you do it properly. I am fairly new to the Web stuff, but...

Treemodel not working as it should

28 Jun 2023 by xTMx9

Hello! I recently migrated to .net 6 and to a new EF version. The tree model in my code is not working as intended. In my data, I have several stores, several cities and several countries. They should be displayed as the following: --->...

Treemodel not working as it should

28 Jun 2023 by Ralf Meier

I can't give you a complete code ... but a description how to do it ... You must iterate through your entries and create at first the Root-Nodes (and only them) - and for every entry look if the root-node is allready existing. After this you...

Update-database efcore "unable to create an object of type 'cmsdbcontext'."

12 Aug 2023 by Sandy Safwat

Hi Am trying to create a database from existing migration persistence database public CMSDBContext(DbContextOptions options) : base(options) { } //Dbsets protected override void...

How to Automate Saving Webpages as a Single .MHTML Files using Selenium Webdriver

25 Sep 2023 by Federico Di Marco

Saving webpages in single self contained files using Selenium Webdriver

Rubik’s Cube for Beginners (Version 2.0). C# Application with 3D Graphics and Animation. VS2022 .NET6

22 Feb 2022 by Uzi Granot

This program will solve a Rubik’s cube using algorithms for beginners. It is a WPF open source application written in C# for VS 2022 and .NET6 using 3D graphics and animation.

Upgrading from .NET Core 2.1 to .NET 6.0

29 Dec 2021 by Jason Sultana

I upgraded an old project from .NET Core 2.1 to .NET 6. Here's what broke.

A Simple Web API Account Manager in .NET 6

6 Feb 2022 by Marc Clifton

User account management is fundamental to any web API

Deserializing Json Streams using Newtonsoft.Json & System.Text.Json with C# & VB

16 Nov 2022 by Graeme_Grant

How to deserialize very large simple & complex JSON Streams (.NET 6.0 & 7.0)

Bring Antimalware Scanning into your Application

7 Jun 2022 by Shao Voon Wong

Incorporate Antimalware scanning inside your application

Creating a "League of Legends" Inspired Play Button in WPF

29 Nov 2023 by vickyqu115

This article provides a detailed explanation and analysis of developing a PLAY button inspired by the game "League of Legends" using pure WPF technology.

Creating WinForms Custom Controls with Visual Studio 2022 Designer Support in .NET 6+

13 Apr 2023 by Stanko Milošev

Making a custom button with smart tag and UIEditor in .NET 6

Easy Compare DB

24 Apr 2023 by Eligio Morgado H.

Compare two SQL Server databases and show difference in tables and fields

My Experience with OData

20 Nov 2022 by Ivan Yakimov

Support of OData in ASP.NET applications

Introducing Minimal Real-Time API for .NET

24 Jan 2022 by dsuryd

A lightweight alternative for serving real-time updates from a .NET web service.

Classic or Custom Build and Version Numbers for Assembly Version for .NET 5, .NET 6

4 Oct 2022 by Sonnich Jensen

Classic/custom build for assembly version for .NET 5 and 6.

JHelpers 6 - A Good and Faithful Servant

22 Aug 2022 by MSBassSinger

A library of generally useful methods and functionality that can save a developer from writing code to accomplish these mundane tasks. Targeted to .NET 6.

A FluentMigrator Controller and Service for .NET Core

5 Feb 2022 by Marc Clifton

Manage your database migrations with web API endpoints

.NET 6 - New Features

29 May 2022 by koolprasad2003

What's new in .NET 6

Update-database efcore "unable to create an object of type 'cmsdbcontext'."

12 Aug 2023 by Sandy Safwat

Please make sure from the starting host : the api project is selected from the package manager console, make sure the persistance project is selected