10 Essential Patterns for C# and .NET Development

Alex Maher
13 min readFeb 4, 2023

Design patterns are reusable solutions to common problems that arise in software design. They are templates for solving design problems that have proven to be effective in various situations. They provide a common vocabulary and a shared understanding of best practices for developers, making it easier for them to communicate and collaborate on complex design problems.

In summary, theyr’re important because they:

  1. Provide proven solutions to common design problems
  2. Promote a common vocabulary and shared understanding among developers
  3. Save time and effort in creating solutions
  4. Promote a modular and maintainable code base
  5. Are applicable to a wide range of design problems, regardless of platform or language.

Design patterns are not specific to any programming language or technology. They are applicable to any software development project, regardless of the platform or language being used.

Singleton Pattern

The Singleton pattern is a design pattern that restricts a class to have only one instance, while providing a global point of access to this instance. This pattern is used when only a single instance of a class is needed to control the action…



Alex Maher

.NET C# dev with 10+ yrs exp, self-taught & passionate web developer. Sharing tips & experiences in C# and web dev.