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.NET Core nginx, and Postgres with EF on an rPi

by Marc Clifton

Implementing an SSL capable server in .NET Core WITHOUT ASP.NET, using nginx, and testing Postgres with EF, all running on an rPi

Elasticsearch, Kibana and Docker using .NET Standard 2

by Juan G. Carmona

Advanced logging in modern .NET applications. A Sunday-morning-proof-of-concept.

Slack Chatting with your rPi

by Marc Clifton

Talk to your rPi over a Slack channel, getting status, controlling devices, and running shell (bash) commands and viewing the console output posted back to your Slack channel

ASP.NET Core Road to Microservices Part 02: View Components

by Marcelo Ricardo de Oliveira

The second of many articles featuring design patterns, architectural designs, frameworks and technologies leading to ASP.NET Core Microservices

Latest Articles

NFT Wallets Unleashed: A Data Structures and Application Design Journey

by optiklab1

Exploring world of NFTs and blockchain while prototyping wallet CLI application with efficient data structures using C# and .NET Core

From Linear to Upper Triangular Matrix Indices

by Maniezzo

A couple of lines of code to get the i-j indices of an upper triangular matrix (main diagonal included) from a linerized array.

Batch Processing with Directory.EnumerateFiles

by Bohdan Stupak

Batching is a nice technique that allows you to handle big amounts of data gracefully. Directory.EnumerateFiles is the API that allows you to organize batch processing for the directory with a large number of files.

Inno Setup Dependency Installer

by DomGries

Download and install any dependency such as .NET, Visual C++ or SQL Server during your application's installation!

All Articles

.NET Core

.net core - understanding websockets on a microservice used by many

24 May 2021 by TheBigBearNow

Hello all, When my site is deployed and multiple people as using it I am trying to understand if my server were able to handle these requests from multiple people. At first itll only be 10-20 people but I plan on it growing. On the UI since its...

.net core - understanding websockets on a microservice used by many

24 May 2021 by Chris Copeland

Asynchronous Server Socket Example | Microsoft Docs[^] The above might help you out, it depends on how you've implemented your accept/receive endpoints. In theory your socket should be handling connections and reception of buffers on a separate...

.net core 2.0 hybrid ORM (dapper and entity framework core 2.0)

30 Apr 2018 by M.Kamran Asim

Dear Friends, I have started my new project in .Net core 2.0. Recently I did some research for best suited ORM, which is fast and easy to use. I found Dapper as a king of ORM, but it has many limitation. To overcome these limitation I found solution to use hybrid approach by combining Entity...

entity-framework

.net core 3.0 logging middleware by pipereader

18 Dec 2019 by M.Kamran Asim

I have migrated my source code to .net core 3.0. I had a middleware to log request and response of api request. This middleware used stream (HttpContext.Request.Body and HttpContext.Response.Body) to get json request and response data. Now I want to replace the stream by PipeReader...

.net core 3.0 logging middleware by pipereader

18 Dec 2019 by wkchee

By default, the stream will be closed after read, hence threw an exception of disposed object. Hence, got to obtain the BodyReader with leaveOpen flag set to true. var body = request.BodyReader.AsStream(true); using var streamReader = new StreamReader(body);

.NET Core 3.1, Docker, PostgreSQL, Swagger, C#

27 May 2020 by PaulKukiel

.NET Core 3.1, Docker, postgres, swagger quick start

.net core and scripts

1 Dec 2020 by octavia81

I'm quite new in .net core. Learning in progress and i'd like to know how much do we need to know ajax, jquery, javascript if we want to get certain level proficiency in .net core web application. I have good enough knowledge in bootstrap css and...

.net core and scripts

1 Dec 2020 by Afzaal Ahmad Zeeshan

.NET Core is a backend technology in a web development stack, while JavaScript, jQuery (and other derivative technologies, such as Ajax) are for the frontend. If you are hands-on with JavaScript, why not go with Node.js? Node.js[^] If you are...

.net core C# authenticating front end with JWT from API both projects .NET API and MVC

2 Jan 2021 by TheBigBearNow

Hello all, I currently have 2 separate projects, I have an API for the backend with CRUD and login functionality, I also set up Json Web Tokens on the backend for validation purposes. I have a front end MVC project which I am using for my UI. On...

.NET Core Datagrid

18 Jan 2017 by Bart-Jan Brouwer

.Net Core datagrid with server side paging, sorting and filtering

.Net Core DI, How to register all existing assignable types in an assembly

13 Jan 2020 by M.M.Mohseni

In this article, we'll explain how to register (Add) all specific interface assignable types in an assembly and will use them in a class.

dependency-injection

.net core docker webapi remotecertificatechainerror

24 Feb 2021 by TheBigBearNow

Hello all, I have 2 .net core projects that work perfectly with each other when I run them normal, I have an API and a MVC UI. When I run them in docker containers, I go on my API with swagger, I figured out how to connect my postgres db and...

.net core how to use nredissearch or filter inside redis cache

13 Nov 2019 by Dave Kreskowiak

You're going to have to ask Stack Exchange how to use their library. After all, they wrote the thing. Why would anyone else support their library?

.net core iot error while running my C# code on ARM embedded board

18 Jun 2020 by Member 14867519

I want to use .NET core IoT library in order to run C# code for my SAMA5D27 SOM1 EK1 ARM embedded board. GitHub - dotnet/iot: This repo includes .NET Core implementations for various IoT boards, chips, displays and PCBs.[^] I have build this...

.net core JWT API impliemntation at client side

20 Jan 2019 by abdu_karami

as I am new to the .Net Core, I am facing the following issue I have Authentication_API that returns JWT Token to the login controller at client side. After successfull login, I want to redirect to Home page. But when I use [Autherize] attribute to the controller it is not working. But without...

.net core multiproject solution. Wep api project can't access other projects.

30 Apr 2018 by Member 13731370

I have 6 Projects in a solution. I can't access other projects folders from my Web Api Project. there is no problem for others. What should I do? What I have tried: I create a dependency from Web Api Project to Class Library Project and other Web Project. I haven't done circular dependency....

.net core multiproject solution. Wep api project can't access other projects.

30 Apr 2018 by Member 13731370

Solved - Right click on Project and select Add → Reference → select the project you want to reference.

.net core MVC thin controlers - service layer

21 Mar 2019 by Member 8741848

I'm trying to thin down my Controllers, by using a service layer. But I can not workout or find an example of how to handle issues that arise in the service layer. As an example, I have a controller action Add Item, which has a name and user defined ID. The code must be unique in the database....

.net core MVC thin controlers - service layer

21 Mar 2019 by F-ES Sitecore

It's generally done by return types. Either return false from your Add method if it didn't work and show a generic message to the user, or return an enum with values like "Succeeded", "DuplicateID", "InvalidData" etc to specify the specific reason for failure and the controller will then show a...

.net core MVC update call API with httpclientfactory

27 Dec 2020 by TheBigBearNow

Hello all I have been able to call my api with Create, Get, GetAll, and Delete. But I am having troubles with only Update. I thought it would be the same as Create but It seems not. I tried with HttpPut and HttpPost but nether called my API...

.net core MVC update call API with httpclientfactory

27 Dec 2020 by Gerry Schmitz

Create implies "new", not update; which involves at least one read and one write; unless one is just blindly posting; overwriting whatever gets in the way. Any "updating" would happen in the model / dal / orm / back-end ... Your "calls" have no...

.NET Core nginx, and Postgres with EF on an rPi

11 Jan 2019 by Marc Clifton

Implementing an SSL capable server in .NET Core WITHOUT ASP.NET, using nginx, and testing Postgres with EF, all running on an rPi

.NET Core On Mac - Building An ASP.NET Core App With Web API, EF, PostgreSQL And Running It On Docker

14 Nov 2016 by Vincent Maverick Durano

A quick demo tutorial on how to setup .NET Core on Mac and creating a simple ASP.NET Core app that talks to PostgreSQL database, and running it on Docker.

.NET Core Razor Page Email Form using SendGrid and reCaptcha

11 Feb 2019 by frez

.NET Core Razor Page Email Form using SendGrid and reCaptcha

.NET Core RESTful or WebAPI MVC Web Application

7 Aug 2017 by Bart-Jan Brouwer

Modern design example for .NET Core MVC with RESTful service

.net core self contained packages publishing older version of DLL

25 Mar 2020 by Richard MacCutchan

dotnet publish command - .NET Core CLI | Microsoft Docs[^].

.net core services behaving differently

20 Feb 2020 by Ger Hayden

I have two .net core 2.2 services, InitialisationHandler and WorkingTicketHandler, one holds initial information and the other is intended to hold a working ticket. The InitialisationHandler always has its information ready when asked, but the...

.net core services behaving differently

20 Feb 2020 by Richard Deeming

The only way the GetWorkingTicket method will return null is if you first call SaveWorkingTicket(null) on the same instance. I assume you meant that it returns a blank WorkingTicket instance? The value you store in the field won't be persisted...

.NET Core Startup

29 Nov 2016 by Shashangka Shekhar

In this article, we will learn about .NET Core Features & short overview on .NET Framework (existing). We will discuss about what changes were made/added in new environment of .NET Core.

.NET Core UI using Webviews

30 Nov 2019 by Johannes Bildstein

Write cross platform desktop applications with .Net Core by using the OS native webview.

.NET Core Versioning Demystified

19 Mar 2020 by RickZeeland

Version all your .NET Core projects in one swoop fell!

.NET Core Web API : The Least You Need To Know (Part 2 of 2)

20 May 2020 by raddevus

Post to your Web API via the XmlHttpRequest - learn how to set up headers, data for body, etc.

.NET Core Web API: The Least You Need To Know (Part 1 of 2)

20 May 2020 by raddevus

A quick article to walk you through building your .NET Web API and posting to it via AJAX (using JSON)

.NET Core, PostgreSQL and Document Database

18 Oct 2020 by JawadHasan

Use NoSQL database functionality from within a Relational database system

entity-framework

.net core-is there a way to get my .cs and razor files from published solution

4 Aug 2020 by Member 10744292

Hi, My PC was stolen ,and i have a project in .NET Core MVC that i was working on in that.I could go to my hosting account where i published the website and get the published solution with .exe and dll ,but is there a way to get the razor...

.net core-is there a way to get my .cs and razor files from published solution

4 Aug 2020 by Garth J Lancaster

If you mean as in reverse-engineer / decompile, no ... that being said you *may* be able to use a tool like Red-Gate Reflector .NET Decompiler: Decompile Any .NET Code | .NET Reflector[^] to inspect the source code. This is probably not a good...

.net core-is there a way to get my .cs and razor files from published solution

4 Aug 2020 by TheRealSteveJudge

If you compile your .Net Core Web application two dlls are generated in the bin folder. e.g. WebApplication.dll and WebApplication.Views.dll WebApplication.dll contains the *.cs file whereas contains the *.cshtml files. You could use a decompiler...

.NET Core/Standard Auto Incrementing Versioning

23 Feb 2020 by Sacha Barber

How to get nice auto incrementing assembly versions inside your .NET Core/Standard projects

.NET Core: Interaction of Microservices via Web API

16 Jun 2020 by Shkurko Eugene

This article looks at the only thing that is missing from Christian Horsdal's, “Microservices in .NET Core: with examples in Nancy” - a tool for automating the interaction between microservices.

.NET Standard, What are the Alternatives?

19 May 2020 by Daan Acohen

An explanation of how to support multiple platforms in .NET development

10 Tips to Improve Performance of ASP.NET Core Application

24 Feb 2019 by MukeshKumarTech

In this post, we will learn a few points which can be implemented while developing the website in ASP.NET Core to improve performance.

16 Days: A TypeScript Application from Concept to Implementation

3 Nov 2019 by Marc Clifton

A metadata driven, view defines the model, schema generated on the fly, from concept to prototype application in 16 days

400 bad request through code

27 May 2020 by Maciej Los

Not enough description of issue to post short answer. Refer this: How to Fix the 400 Bad Request Error[^]

[What's my wrong? And why my file excel don't create file? ]

21 Sep 2017 by Đạt Lữ

what's my wrong everyone? i don't know why savefiledialog can't create file excel, i'm check see 1 file app created is shortcut temporary file in (C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent) What I have tried: private void btnExportExcel_Click(object sender, EventArgs e) {...

[What's my wrong? And why my file excel don't create file? ]

21 Sep 2017 by Dave Kreskowiak

OK, so put a breakpoint on the second line of the button Click handler and run the code. When the breakpoint is hit, hover the mouse over filePath to inspect the content. You should get the fully qualified path to the file to write to. If not, you've got a problem in your GetFileNameToSave...

A 4 Stack rPI Cluster with WiFi-Ethernet Bridging and nginx Reverse Proxy

8 Apr 2019 by Marc Clifton

Bonus - Group chat with your rPI's using SlackBot

A C# Extension to Recursively Select All Descendents

9 Mar 2017 by TheGreatAndPowerfulOz

How to recursively select all descendants using an extension method

A Few Missing Methods on BinaryReader

23 Apr 2021 by honey the codewitch

BinaryReader needs a better way to read strings and types. Here's a quick and dirty fix

A guide for doing MVC on .NET core in vscode

10 Oct 2016 by Rasmus Lindegaard

Hey AllAs the title says, all I'm really seeking out is a good guide on building MVC applications, preferably with the new Open Source tools from microsoft.I'm including vscode in this, because most guides assume Visual Studio Community (or above) and since I wish to do this the platform...

A guide for doing MVC on .NET core in vscode

10 Oct 2016 by Afzaal Ahmad Zeeshan

Good request that you are making here. Sadly, there are very less guides that take Visual Studio Code into considerations and the one that do take it into consideration talk about .NET Core applications, and not the ASP.NET applications. I am currently working on a book titled, "Considering...

A Media Player Control for WPF that can Play Almost Any Media

18 Feb 2020 by webmaster442

A Media player control for WPF, based on MPV player that can play almost any media file.

A middleware to manage Web Socket in ASP.NET Core

3 Sep 2018 by Silvia Campo

A way to organize the WebSocket management logic keeping the Startup clean.

A Quick Startup using .NET Core on Linux

14 Sep 2016 by Afzaal Ahmad Zeeshan

A comprehensive guide to .NET Core for beginners

A Recap about Creating Maps for AutoMapper in .NET Core

2 Oct 2018 by Silvia Campo

Different options to create the maps

A Regular Expression Engine in C#

31 Mar 2019 by honey the codewitch

A Non-Backtracking Regular Expression Engine for .NET (Core)

regular-expression

A Simple Blazor Modal Dialog Implementation

25 Mar 2023 by Shaun C Curtis

How to build a Modal Dialog for Blazor

A Simple Dashboard with ASP.NET Core 2.0, SignalR, Angular 5 and Chart.js

10 Apr 2018 by Igor Ladnik

The sample provides Web access to devices status and displays dynamic metrics charts with ASP.NET Core 2.0, SignalR, Angular 5 and Chart.js.

A Simple Pathfinding Laboratory

7 Sep 2018 by Robert Vandenberg Huang

Experiment, run and compare different pathfinding algorithms and heuristic functions

A Solution to the Spiral Print Problem

6 May 2020 by George Swan

An alternative solution to the Spiral Print problem

A Walkthrough C# Attributes

23 Aug 2020 by Jin Vincent Necesario

In this article, we'll explore the world of C# attributes.

A Walkthrough to Implement 2048 Game

4 Mar 2017 by Robert Vandenberg Huang

An introduction to make a simple 2048 console application in C#

About your article: angular 5 and .NET core 2 with visual studio 2017

21 Dec 2017 by Member 13589045

I need use HttpClientModule to use the new HttpClient (better than the old http) What I have tried: I solve adding in my package.json "core-js": "^2.4.1", By the way, a good work, thanks for share with us

About your article: angular 5 and .NET core 2 with visual studio 2017

21 Dec 2017 by Dave Kreskowiak

Articles are supported by the people who write them. There is NOT a small team of people cranking out articles. There is a forum at the bottom of every article. Ask your question in that forum.

Accepting Bitcoin (BTC) payments with C# ASP.NET. Primer applicable to other crypto currencies: Litecoin (LTC), Ethereum (ETH), Ripple (XRP)...

28 Dec 2017 by lepipele

Detailed guide on building C# ASP.NET website checkout that accepts Bitcoin (BTC), Litecoin (LTC), Ethereum (ETH) and other Crypto Currencies.

Access AWS Secrets Manager via .NET CORE

11 Mar 2019 by Preetam U Ramdhave

This article will help you to implement the functionality where you can store your sensitive data in the amazon Secrets Manager and access while bootstrapping the application.

Add a web API reference to a .NET core project

9 Nov 2016 by Rasmus Lindegaard

I want to make a small web app, in which i need to call on an external WEB API. It exists with Ruby, Python and Javascript bindings, and then theres a JSON version.I was wondering if anyone has tried referencing a Javascript or JSON WEB API this way? I am simply not sure how to create a...

Add a web API reference to a .NET core project

9 Nov 2016 by Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ)

Here it is - ASP.Net Core Web API with Visual Studio Code ~ Siderite's Blog[^].

Adding Angular Material in ASP.NET Core Angular SPA Template

26 May 2017 by Fiyaz Hasan

This article shows you how to add Angular Material in ASP.NET Core AngularSpa template

Adding EntityFrameworkCore Support to .NET Core Project

13 Aug 2019 by Benktesh Sharma

Demonstrate how to add EF support in .NET Core project

entity-framework

Advanced Blazor: Shared Assemblies and Debugging from Edge

20 Nov 2019 by Jeremy Likness

Advanced Blazor techniques are covered such as sharing Razor class libraries between a Blazor WebAssembly project and Blazor server-side. Shows how to reference embedded resources like JavaScript libraries, debug on server-side then deploy as client-side and debug in the browser.

Advice on "no coercion operator is defined between types 'system.int16' and 'system.boolean'." mysql and identity server

22 Apr 2019 by Ger Hayden

Following on from last weeks tangle on key lengths, I need some advice on coercion operators between types using MySql. Part of last week's trouble was that I failed to adequately explain what I needed so hopefully I will not fall into that trap this time. To recap, I am attempting to use the...

entity-framework

Advice on "no coercion operator is defined between types 'system.int16' and 'system.boolean'." mysql and identity server

22 Apr 2019 by Gerry Schmitz

(You extend the entity, not the dbContext?) If you want to treat an "int" as a bool, create a proxy property; keep the ORM mapping simple. public short MyShort {get;set;} [NotMapped] public bool MyBool {get{return (MyShort == 1);} set {MyShort = value ? 1 : 0;}} Add the code to the entity...

entity-framework

After await next when I try to use serilog logcontext it doesn’t push any property to log messages

6 Jul 2020 by khaled Ezzat Abdelfattah Abdelgawad

While setting everything for Serilog and SEQ I was stuck in an issue that you may have an answer for it. I am trying to add some properties to all logs using LogContext.PushProperty. However, in my middleware (see image below) the LogContext can...

AJAX call not working properly

13 Sep 2019 by Muhammad Afaq Riaz

I am working with a .net core web project. I have to send a value from javascript to razor pageModel. But the problem is I can't get value from pageModel in JSON format. It returns the source code of whole cshtml page. I have tried each and every solution I found. Here is what I have tried...

An Alternative to Routing in Blazor

13 Nov 2020 by Shaun C Curtis

A Blazor application with no Routing or URLs

An Extension to Get All the Digits of a Number

10 Mar 2017 by TheGreatAndPowerfulOz

Gets the digits and the sign of an integer in an array

An Open Source ORM Framework - Light.Data

22 May 2019 by aquila huang

Introduction of the open source project Light.Data