Step 1. Define the Base Entity
First, you need to define Base Entity in your Domain Layer,
![Generic Interface and Generic Repository for Developing Asp.net Core Web API]()
![Generic Interface and Generic Repository for Developing Asp.net Core Web API]()
Code for Base Entity
Step 2. Define the Generic IRepository
Define the Generic Interface in your Repository Layer as shown in the picture,
![Generic Interface and Generic Repository for Developing Asp.net Core Web API]()
Code for IRepository
Step 3. Define the Generic Repository
Define the Generic Repository In your Repository Layer Using the Onion Architecture,
![Generic Interface and Generic Repository for Developing Asp.net Core Web API]()
Code For Generic Repository
Conclusion
In API (Application Programming Interface) development, the term "generic" refers to a type or method that can work with values of any data type rather than being restricted to a specific data type. Generics allow you to write flexible, reusable code that can be applied to different data types, making your API more versatile and easier to maintain. For example, a generic list in a programming language such as Java or C# can be defined to hold elements of any type, making it useful for various tasks rather than creating separate lists for different data types.
If you want to study Onion Architecture, follow the link below,