C#

Great Reads

Maintain Scroll Position Problem fix for Chrome.

by Wonde Tadesse

The other option will be to use Update Panel ASP.NET control as much as possible. It helps to retain the current position on the page whenever a postback happens to the page.

Comparator - Data Sources Comparer

by Alex Pumpet

A simple program for comparing table data from two sources - SQL databases, Excel, CSV or XML-files

Introduction to D3DImage

by Dr. WPF

.NET 3.5 SP1 is here! It's time to break out your DirectX skills. This article provides the information necessary to get started using a new DirectX interop feature in WPF called D3DImage.

ASP.NET: Understanding OWIN, Katana, and the Middleware Pipeline

by John Atten

OWIN, Katana and Middleware Pipeline in ASP.NET

Latest Articles

Data Validation with Visual FA

by honey the codewitch

How to validate fields for things like data entry applications.

Atata - C# Web Test Automation Framework

by Yevgeniy Shunevych

An introduction to Atata C#/.NET web UI test automation full-featured framework based on Selenium WebDriver

A Simple Example of Scraping a Web Page Using Visual FA

by honey the codewitch

Scraping the web is easy with Visual FA. Here's an example of how.

Decouple ASP.NET Core Identity, Authentication and Database Engines

by Zijian

Reusable codes for JWT security in business applications

All Articles

top

C#

How to Use Polly In C#: Easily Handle Faults And Retries

12 Mar 2024 by Dev Leader

Learn how to use Polly in C# to handle faults and retries with ease! Check out three code examples showcasing different use cases of Polly in C#!

patterns

Implicit Operators in C#: How To Simplify Type Conversions

6 Mar 2024 by Dev Leader

Use cases for implicit operators in C# and examples to illustrate their practical application

How to Use BenchmarkDotNet: 6 Simple Performance-Boosting Tips to Get Started

5 Mar 2024 by Dev Leader

Learn how to use BenchmarkDotNet to effectively create and run benchmarks on your C# code. Dig into where you have opportunities to optimize your C# code!

.NET

benchmark

performance

Scrutor in C# – 3 Simple Tips to Level Up Dependency Injection

1 Mar 2024 by Dev Leader

In this article, I’ll provide you with a high-level overview of Dependency Injection and Scrutor in C#.

ASP.NET

Reflection in C#: 4 Code Simple But Powerful Code Examples

1 Mar 2024 by Dev Leader

In this article, I’ll provide you with 4 simple code examples illustrating how reflection works in C#.

.NET

Dev

reflection

Floating Point Number Errors Can Sink your App with Issues

26 Feb 2024 by DavesApps

Floating point math accumulates errors, requiring precision adjustment for equality

Google Sheets in C# – How to Build Your Own Levels.fyi!

17 Feb 2024 by Dev Leader

Access Google Sheets via C#; Start simple, optimize later!

Configure .NET Apps without JSON or XML

17 Feb 2024 by Brows App

XML and JSON have long been the configuration formats of choice in the .NET ecosystem. For something entirely different, continue reading.

.NET

Command Pattern in C# – What You Need to Implement It

15 Feb 2024 by Dev Leader

Learn what the Command Pattern in C# is and the design principles it follows. Understand the pros and cons!

.NET

patterns

The Memento Pattern in C# – How to Achieve Effortless State Restoration

15 Feb 2024 by Dev Leader

Origin and principles of Memento Pattern in C, and different components & steps to implementation!

.NET

Dev

design-patterns

How To Implement The Pipeline Design Pattern in C#

15 Feb 2024 by Dev Leader

Learn about the pipeline design pattern in C#, discover how to create and chain pipeline stages and get code examples, tips, and use cases for this design pattern

.NET

pipeline

design-patterns

CQRS Pattern in C# and Clean Architecture – A Simplified Beginner’s Guide

15 Feb 2024 by Dev Leader

CQRS pattern in C#, clean architecture for better software development, code examples, best practices

.NET

CQRS

architecture

WebApplicationFactory in ASP.NET Core: Practical Tips for C# Developers

15 Feb 2024 by Dev Leader

How to leverage WebApplicationFactory in ASP.NET Core for testing

ASP.NET-Core

testing

Unit of Work Pattern in C# for Clean Architecture: What You Need To Know

15 Feb 2024 by Dev Leader

Integrate Unit of Work Pattern in C# with Clean Architecture for efficient programming, benefits and C# code examples

.NET

design-patterns

architecture

Check Session Timeout by Using ActionFilters in MVC

2 Jan 2024 by Mayur V Lohite

How to check session timeout by using ActionFilters in MVC

MVC

C# Using Var: To Var or Not To Var?

12 Dec 2023 by DavesApps

The article discusses the debate over using C#'s var keyword versus explicit typed variables, highlighting potential issues with overuse of 'var' that can lead to code misunderstandings, readability challenges, and bugs.

.NET

Exploring an Example Vertical Slice Architecture in ASP.NET Core – What You Need To Know

10 Dec 2023 by Dev Leader

In this article, we'll look at building a flight booking app using vertical slice architecture.

architecture

Blazor Unit Testing Tutorial – How to Master with Practical Examples in C#

22 Nov 2023 by Dev Leader

A tutorial on unit testing in Blazor development that discusses code quality and catching errors early in the software development process.

Blazor

Examples of The Observer Pattern in C# – How to Simplify Event Management

22 Nov 2023 by Dev Leader

Check out these examples of the observer pattern in C#! Learn how the observer pattern in C# can simplify the usage of events in your next project!

Dev

design-patterns

Generate ASCII Art – A Simple How To in C#

21 Oct 2023 by Dev Leader

Change a picture into ASCII art using your own C# program

.NET

Dev

ASCII

Your Quick Guide to Pattern Matching in C#

11 Sep 2023 by Aram Tchekrekjian

More about pattern matching types with a usage example for each type

null

expressions

testing

The Workings of Dynamic Lambda in LINQ

7 Sep 2023 by Tragdor

A quick lesson in LINQ and dynamic Lambda statements

LINQ

Dev

Async Lazy In C# – With Great Power Comes Great Responsibility

14 Aug 2023 by Dev Leader

In this blog post, we’ll explore the concept of async lazy initialization in C#

.NET

.ASP.NET-Core

asynchronous

Identifying Used and Unused Resources in a Visual Studio’s Project Resources.resx File

8 May 2023 by ToughDev

How to identify used and unused resources in VS Project Resources.resx file

Façade Pattern: A Beginner’s How-To for Simplified Code

31 Mar 2023 by Dev Leader

A beginner's guide to Façade pattern

Task EventHandlers – The Little Secret You Didn’t Know

19 Feb 2023 by Dev Leader

Secret of Task EventHandlers

event-handler

exceptions

Async

Async EventHandlers – A Simple Safety Net to the Rescue

14 Feb 2023 by Dev Leader

A simple solution that you can implement to help improve your experience with async void event handlers, especially when it comes to exception handling

Simple Secrets for Access to the .NET Record Type

11 Feb 2023 by Dev Leader

Tips to easily access .NET record type

async void – How to Tame the Asynchronous Nightmare

6 Feb 2023 by Dev Leader

Problem with async void and a solution for it

Async

Await

asynchronous

Pythonnet – A Simple Union of .NET Core and Python You’ll Love

25 Jan 2023 by Dev Leader

Use the "Python for .NET" package as a way to call Python from C# code

Python

.NET-Core

Tasks, BackgroundWorkers, and Threads – Simple Comparisons for Concurrency

22 Jan 2023 by Dev Leader

How Tasks, Threads, and BackgroundWorkers operate at high level

.NET

BackgroundWorker

Xamarin Forms – Jumpstart Your App With Autofac

21 Jan 2023 by Dev Leader

Jumpstart app with Autofac

dependency-injection

Xamarin

Logging with Serilog in ASP.NET Core Web API

17 Oct 2022 by Aram Tchekrekjian

In this tutorial, we will learn how to implement logging with Serilog in ASP.NET Core Web API.

Javascript

ASP.NET-Core

Using .NET Background Worker Service With FileSystemWatcher to Read Files

15 Oct 2022 by SleepyCrat

A quick tutorial showing how to use .NET worker service to watch a directory for new files and read them

.NET6.0

GenericHost

BackgroundWorker

Robust Daemon Monitoring Inbox with MailKit w/ OAuth2

22 Sep 2022 by Chris_Green

It all started with an email sent to a daemon. A windows service hosting two modules, each of which monitors an inbox for automation, dutifully ignored warnings from IT that basic authentication for O365 would be switched off in several months. This is how we solved it.

IMAP

OAuth2

daemon

Adding Configuration to .NET 6 Projects using the IOptions Pattern

10 Aug 2022 by Jason Sultana

How to add configuration to Web API and other project types

dependency-injection

JSON

Set Up Properties of EmailMessage – Updated

21 Feb 2022 by Illya Reznykov

How to update EmailMessage properties that don't have public setters

Apply JWT Access Tokens and Refresh Tokens in ASP.NET Core Web API 6

17 Feb 2022 by Aram Tchekrekjian

How to apply JWT Access Tokens and Refresh Tokens in ASP.NET Core Web API 6

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.

.NET-Core2.1

.NET6

.NET

Preventing XSS in .NET Core Web APIs

26 Sep 2021 by Jason Sultana

Protecting an ASP.NET Web API from XSS

ASP.NET

XSS

security

The C# 9 init-only Setters

15 Aug 2021 by Vlad Neculai Vizitiu

A discussion of "init" keyword introduced in C# 9

.NET

reference

reflection

Using the Builder Pattern to Help Your Unit Tests

31 Jul 2021 by Jason Sultana

Using builder pattern to help unit testing a service with more than just a couple of dependencies

dependency-injection

testing

Securing a Website Using Firebase, Angular 8 and ASP.NET Core 3.1

24 Jul 2021 by SleepyCrat

How to secure a website using Firebase, Angular 8 and ASP.NET Core 3.1

GraphQL for .NET Developers

21 Jul 2021 by Jeremy Likness

In this blog post I look at what GraphQL is, share benefits and challenges, review the current .NET ecosystem, and walk you through some hands-on examples.

Azure Cosmos DB With EF Core on Blazor Server

21 Jul 2021 by Jeremy Likness

This article walks you through my project Planetary Docs, a repository that showcases a full application that supports Create, Read, Update, and Delete operations (CRUD) using Blazor (Server), Entity Framework Core and Azure Cosmos DB.

Multi-tenancy with EF Core in Blazor Server Apps

21 Jul 2021 by Jeremy Likness

In this article I demonstrate multi-tenancy in a Blazor Server app

Blazor

A Complete Tutorial to Connect Android with ASP.NET Core Web API

21 Jul 2021 by Aram Tchekrekjian

In this tutorial, we will learn how to connect Android with ASP.NET Core Web API.

API Key Authentication - Extending the Native Implementation

21 Jul 2021 by RmauroDev

Handle API Key authentication with only three lines of code extending native Authentication mechanism

ASP.NET

An Easier Blazor Debounce

21 Jul 2021 by Jeremy Likness

Two methods and their comparison for Autocomplete pattern which is used to make it easier for users to select items from a long dropdown list

Blazor

Creating Zips Server Side Per Request

21 Jul 2021 by Vlad Neculai Vizitiu

Creating a zip archive on demand to be served via an API endpoint

Ajax

An Example of Upgrading Code from Average to Excellent

12 Jul 2021 by Rob Kraft

Average programmers get the job done. Excellent programmers get the job done too, but the code of excellent programmers lasts longer and is easier to change to meet future requirements. Below is an example of upgrading average code to excellent code.

Stop Saving to Disk with C# Asynchronous Streams

2 Jul 2021 by Lee P Richardson

Asynchronous streams, the real world problem they help us solve, and some common pitfalls

asynchronous

performance

How can we mark a method as deprecated in c#?

20 Jun 2021 by Shivprasad koirala

How can we mark a method as deprecated?

interview

Server.Transfer VS Response.Redirect – Simplified

16 Jun 2021 by Shivprasad koirala

This blog will discuss the difference between server.transfer and response.redirect.

.NET

ATL

ASP.NET

Exploring Data Cubes on NSimpleOlap (Alpha)

5 May 2021 by Carlos Conceição

Current features of NSimpleOlap library

Using an F# DSL to Generate C# code

3 May 2021 by Gaston Verelst

More readable Domain Specific Language in F#

Presenting NSimpleOlap (Alpha & Unstable)

22 Apr 2021 by Carlos Conceição

NSimpleOlap is embeddable .Net OLAP library for use in console, desktop, or other types of applications.

.NET

Dev

OLAP

Cake Frosting: More Maintainable C# DevOps

18 Feb 2021 by Lee P Richardson

Cake V1.0 is a more robust technique for writing DevOps in a language the whole team can understand.

.NET-Core

.NET

Querying Audit History

24 Jan 2021 by YawerIqbal

Tips to query audit history

LINQ

WPF Drag and Drop using Behavior

11 Nov 2020 by DotNetLead.com

Drag and drop behaviour in WPF

Windows Authentication with Angular and .NET Core Web API

8 Nov 2020 by DotNetLead.com

This article shows you how to add Windows Authentication to Angular and .NET Core Web API projects.

Template-based Code Generation with Razor and Roslyn

26 Oct 2020 by Matteo Prosperi

In this blog post, I complete my “template-based card image generator” project.

XML

.NET

Creating Your Own .NET DynamicObject. Why, When and How

26 Oct 2020 by Matteo Prosperi

How, why, when and how to create your own DynamicObject in .NET

XML

.NET

Dynamic Programming – What, How & When

10 Oct 2020 by Sandeep Mewara

An optimization programming technique

optimization

algorithm

Understanding Maps in JavaScript

1 Sep 2020 by Jin Vincent Necesario

JavaScript Map object collection

Javascript

Java

C++

How to Create API in .NET Core

27 Aug 2020 by Ricardo_Torres_Torres

Learn to create an API in .NET Core

ABN Validator for Australia

24 Aug 2020 by Sergi Ortiz Gomez

Simple function to validate the ABN for Australian's trade

Javascript

A Walkthrough C# Attributes

23 Aug 2020 by Jin Vincent Necesario

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

Blazor WebAssembly vs Angular: Client Side Clash

9 Aug 2020 by Lee P Richardson

Which SPA technology should you use: Blazor WebAssembly or something more mature like Angular, and why?

Mocking Expressions

8 Aug 2020 by Vlad Neculai Vizitiu

Mocking/stubbing lambda expressions to have a bit more control over our unit tests

Programmatically make(fake ;)) HTTP Requests using WebRequest, WebResponse and WebClient

31 Jul 2020 by Chinmoy Mohanty

How to programmatically make(fake ;)) HTTP Requests

.NET

Uploading/Downloading a File Using WCF REST Service in .NET 3.5

31 Jul 2020 by Chinmoy Mohanty

How to upload/download a file using WCF REST service in .NET 3.5

Look Behind the IQueryable Curtain

21 Jul 2020 by Jeremy Likness

Learn how to parse complex expression trees, and even modify them to alter IQueryable results.

Quick Look into SignalR

19 Jul 2020 by Sandeep Mewara

See with a working demo how SignalR works and how it can be used

HttpClient Single Instance or Multiple

30 Jun 2020 by Sandeep Mewara

Evaluating the effect of using single vs multiple instances of HttpClient

ASP.NET

HTTP

Dynamically Build LINQ Expressions

3 Jun 2020 by Jeremy Likness

A primer on using LINQ to wring strongly typed queries directly in code

Mastering External Web APIs in ASP.NET Core and ABP with Swagger, ApiExplorer, and NSwag

1 Jun 2020 by Lee P Richardson

This post is the story of how to generate an unauthenticated client.

Sample LINQ with Multiple Joins and Selected Columns

1 Jun 2020 by gmtzgtz

How to write a LINQ statement with multiple joins

FileSystem Syncher – Part 3

22 May 2020 by Vlad Neculai Vizitiu

FileSystem Syncher

.NET

Windows

LINQ

The Rise of the Null-Object Pattern in C# 8

21 May 2020 by Vlad Neculai Vizitiu

Null-object pattern in C# 8

Visual-Studio

ReSharper

patterns

EF Core and Cosmos DB with Blazor WebAssembly

15 May 2020 by Jeremy Likness

How to use EF Core and Cosmos DB with Blazor WebAssembly

Using a Resource Dictionary in WPF

2 Apr 2020 by Rahman Masudur

Few tricks about using a Resource Dictionary in WPF

C# SQL Injection Detection – Especially for Legacy .NET Code

7 Mar 2020 by Rob Kraft

The benefit of this approach is that you can then regularly scan your entire code base for the use of .ExecuteReader and .ExecuteNonQuery knowing that there should be no cases of those methods, other than the exception cases you expect.

Strongly Typed, Dependency Managed Azure in C#: Introducing Cake.AzureCLI

4 Mar 2020 by Lee P Richardson

How to provide strongly typed, cross platform, dependency managed access to all 2,935 Azure CLI commands in C#

Putting the Fun in C# Local Functions

2 Mar 2020 by Rion Williams

C# local functions and how they can be used to make code more readable

LINQ

lambda

Building Predictive Maintenance Model Using ML.NET

1 Mar 2020 by Bahrudin Hrnjica

Notebook completely implemented on .NET platform using C# Jupyter Notebook and Daany

Raw Websockets Minigame with Angular and ASP.net Core

18 Feb 2020 by SleepyCrat

Create a small "minigame" using asp .net core 3.0, Angular, and websockets implemented using vanilla javascript.

Mouse automation with AutoItX

9 Feb 2020 by Vlad Neculai Vizitiu

Hello and welcome, In this post, we are going to talk about how we can automate part of the windows desktop environment using AutoItX. What is AutoItX? Before we can talk about AutoItX first we need to talk a little bit about AutoIt.

.NET

Windows

Visual-Studio

Blazor State Management

22 Jan 2020 by Jeremy Likness

Blazor Server and Blazor WebAssembly (client) don't store state by default, resulting in a subpar user experience. This article tackles solutions to the problem.

Explore WebAssembly System Interface (WASI for Wasm) From Your Browser

10 Jan 2020 by Jeremy Likness

WebAssembly now lives outside of the browser thanks to the WebAssembly System Interface (WASI) and runtimes like Wasmer and Wasmtime. Learn how to build and run your own WASI modules without leaving your favorite browser.

Happy New ... C# 9 Features!

2 Jan 2020 by Rion Williams

New C# 9 features

Typescript

Predictive Maintenance on .NET Platform

5 Dec 2019 by Bahrudin Hrnjica

Predictive maintenance on .NET platform

Formatting CPP, C, JavaScript and Other Stuff

5 Dec 2019 by 10xlearner

A post on how to format CPP, C, JavaScript and other stuff

Migrate from Medium to Hugo

22 Nov 2019 by Jeremy Likness

Migrate from Medium to Hugo

Introducing Durable Entities for Serverless State

21 Nov 2019 by Jeremy Likness

Learn how durable entities provide explicit management of state in serverless applications and guarantee operations are safe to execute without concurrency conflicts.

Using LINQ to Query Dynamic Schema-less Cosmos DB Documents

21 Nov 2019 by Jeremy Likness

A look at the latest Azure SDKs for .NET with a sample .NET Core app that uses the Cosmos DB SDK and LINQ to iterate over documents with a dynamic schema.

Dynamic Search in a Static Website

21 Nov 2019 by Jeremy Likness

Add dynamic search to a static Hugo website with custom templates to generate JSON and JavaScript to parse the results.

Serverless HTTP With Durable Functions

20 Nov 2019 by Jeremy Likness

Durable functions enable implicit and explicit state management for serverless workflows and accommodate a variety of patterns. A new addition, the HTTP task, helps manage interactions with HTTP endpoints including error handling and support for long polling.

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.

C# Jupyter Notebook

16 Nov 2019 by Bahrudin Hrnjica