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How to use JsonDocument to read JSON in C#

By Tan Lee Published on Mar 06, 2025 269

The JsonDocument class in C# allows you to read and process JSON data efficiently without needing to deserialize the entire JSON into an object.

How to Get and send JSON with HttpClient in C#

By Tan Lee Published on Mar 06, 2025 350

The easiest way to fetch and submit JSON data using HttpClient is through the GetFromJsonAsync() and PostAsJsonAsync() extension methods from the System.Net.Http.Json namespace, as demonstrated below:

How to use JsonExtensionData in C#

By Tan Lee Published on Mar 06, 2025 274

The JsonExtensionData attribute (from System.Text.Json) is useful for deserializing properties that don't match your class structure. Without this attribute, any extra JSON fields will be ignored, leading to null properties in the resulting object.

How to Deserialize JSON as a stream in C#

By Tan Lee Published on Mar 06, 2025 315

To deserialize JSON as a stream in C#, you can use either System.Text.Json or Newtonsoft.Json.

How to use JsonNode in C#

By Tan Lee Published on Mar 06, 2025 288

When you want to handle JSON without creating specific classes for (de)serialization, JsonNode offers a flexible alternative.

TimeZoneInfo with current UTC offset in C#

By Tan Lee Published on Mar 06, 2025 210

TimeZoneInfo provides the base UTC offset, which can lead to confusion since the offset may vary depending on the date due to daylight saving time.

How to Parser a CSV file in C#

By Tan Lee Published on Mar 06, 2025 227

Parsing a CSV file in C# can be done in a few different ways depending on your needs.

How to read configuration from appsettings.json in C#

By Tan Lee Published on Mar 06, 2025 462

The appsettings.json file is an efficient way to store and retrieve your application's configuration. It's a JSON file, which makes it much easier to work with than the older XML-based app.config used in earlier versions of .NET.

How to deconstruct an object in C#

By Tan Lee Published on Mar 06, 2025 113

Deconstructing an object means assigning its properties to several variables in a single line of code using deconstruction assignment syntax (also known as destructuring or unpacking).

How to Convert a Comma-Separated String into a List of Integers in C#

By Tan Lee Published on Mar 06, 2025 264

Let’s consider a scenario where you have a comma-separated string of numbers, such as "5,10,15", and you want to convert it into a list of integers, like [5, 10, 15].

How to use ValueTuples in C#

By Tan Lee Published on Jan 03, 2025 224

A Tuple is a data structure consisting of an ordered, fixed-size collection of immutable elements, each of a specific type that cannot be modified.

How to use IEnumerable, ICollection, IList, and IQueryable in C#

By Tan Lee Published on Jan 02, 2025 587

C# provides robust support for working with collections of data through various classes and interfaces.

How to use OpenAPI in ASP.NET Core

By Tan Lee Published on Dec 31, 2024 315

In ASP.NET Core, you can easily document your HTTP endpoints using OpenAPI support, which includes Swagger UI for a graphical interface.

Speeding Up Searches with SearchValues in .NET 8

By Tan Lee Published on Dec 31, 2024 382

With the release of .NET 8, Microsoft introduced the SearchValues class, a new addition that leverages vectorization and hardware acceleration to improve search performance.

How to use Dapper with SQLite in ASP.NET Core

By Tan Lee Published on Dec 31, 2024 474

When building .NET and .NET Core applications that rely on databases, developers often seek a lightweight and fast database engine to speed up testing and development.

How to convert file data to byte array in C#

By Tan Lee Published on Dec 30, 2024 437

If you're uploading a ZIP file to Azure Blob Storage, you would first need to convert the file into a byte array.

How to use Factory Method Pattern in C#

By Tan Lee Published on Feb 16, 2024 757

The Factory Method is a creational design pattern that defines an interface for creating objects in a superclass.

How to read Configuration Values from appsettings.json in ASP.NET Core

By Tan Lee Published on Dec 27, 2024 1.03K

To access the values from the configuration file, you need to set up a configuration system in the Startup.cs class.

How to prevent flicker in WinForms

By Tan Lee Published on Dec 27, 2024 332

If you often update the content of a WinForms Control, you may encounter a flickering problem, particularly when the data being displayed is large.

Remote WebDriver in C#

By Tan Lee Published on Dec 27, 2024 393

Selenium allows you to automate browsers on remote computers when a Selenium Grid is set up.

How to use Metro Progress Bar in C#

By Tan Lee Published on Jun 08, 2017 12.92K

To use the Metro Progress Bar in a C# Windows Forms application, you typically need a library that provides a modern "Metro-style" UI component.

Materio Admin Template

By Tan Lee Published on Nov 13, 2024 435

Materio is a Free Bootstrap 5 HTML Admin Template that stands out as one of the most powerful and comprehensive admin dashboard templates available.

How to upload Multiple File in ASP.NET MVC

By Tan Lee Published on Nov 13, 2024 253

In ASP.NET MVC, uploading multiple files can be done easily using the HttpPostedFileBase class.

Multi-dimensional Array Size in C#

By Tan Lee Published on Nov 10, 2024 283

In C#, multi-dimensional arrays are arrays with more than one dimension. These arrays are declared using a comma-separated list of dimensions in square brackets.

How to insert master/details data in EF Code First

By Tan Lee Published on Nov 09, 2024 246

In Entity Framework (EF) Code First, inserting master-detail data involves inserting records into both the "master" and "detail" tables while respecting the relationships between them (such as one-to-many, many-to-one, etc.).