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How to Connect to a MySQL database in C#

By Tan Lee Published on Mar 07, 2025 106

The easiest way to connect to a MySQL database in a .NET project is by using the MySql.Data package (from Oracle).

How to read the Description attribute in C#

By Tan Lee Published on Mar 07, 2025 87

The Description attribute in C# can be used to provide descriptive information about types and their members (such as properties and methods). A common use case is associating user-friendly descriptions with enum values.

How to Call a constructor from another constructor in C#

By Tan Lee Published on Mar 07, 2025 126

In C#, when you need to call one constructor from another, you can use constructor chaining syntax.

How to read problem details JSON with HttpClient in C#

By Tan Lee Published on Mar 07, 2025 112

When working with APIs, error responses are often standardized using the Problem Details format (RFC7807), which has a Content-Type of application/problem+json.

Deserialization from CodeDOM format is unsafe and has been disabled

By Tan Lee Published on Mar 07, 2025 151

To fix the DevExpress.XtraReports.Security.CodeDomLayoutDeserializationRestrictedException: 'Deserialization from CodeDOM format is unsafe and has been disabled.', you need to enable CodeDOM report deserialization explicitly or migrate to XML serialization.

How to Get Status Codes with HttpClient in C#

By Tan Lee Published on Mar 06, 2025 336

When using HttpClient to send requests, you can easily access the status code from the HttpResponseMessage object.

How to use TimeZoneInfo in C#

By Tan Lee Published on Mar 06, 2025 265

Time zones can be tricky due to their varying rules and changes, so leveraging a library is a smart approach. In .NET, one such option is the built-in TimeZoneInfo class.

How to Get key with the max value in a dictionary in C#

By Tan Lee Published on Mar 06, 2025 314

The simplest way to retrieve the key with the maximum value in a dictionary is to use the Linq MaxBy() method (available since .NET 6).

How to use JsonDocument to read JSON in C#

By Tan Lee Published on Mar 06, 2025 153

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 253

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 151

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 Share a file between multiple projects in Visual Studio

By Tan Lee Published on Mar 06, 2025 148

When you need to share a file across multiple projects without duplicating its contents, you can create a link to the existing file.

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