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Learn how to streamline your C# application by replacing direct database connections with dynamic data fetched from an API.
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This video is based on the question https://stackoverflow.com/q/69372907/ asked by the user 'Blagovest Pizhev' ( https://stackoverflow.com/u/16522599/ ) and on the answer https://stackoverflow.com/a/69377959/ provided by the user 'Jason' ( https://stackoverflow.com/u/1338/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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Refactoring Your Database Connection Method to Use API Data in C#

In the world of software development, it's vital to ensure your application is both efficient and up-to-date with modern practices. Recently, a developer faced a common challenge: how to refactor a database connection method to fetch data from an API instead. This guide will walk you through the necessary steps to transform your existing C# code into a more flexible and efficient solution.

Understanding the Problem

You may already have a database connection written in C# that fetches information using a given mapCode. However, the goal is to eliminate direct database connections and replace them with API calls to retrieve the same data.

The current method looks like this:

[[See Video to Reveal this Text or Code Snippet]]

The challenge is not only replacing the database logic with API calls but also ensuring that the new method returns the same structured data.

Step-by-Step Refactoring

1. Update the URI Generation Method

The existing method for generating a request URI needs to be modified to accommodate a dynamic mapCode. Here’s how you can achieve it:

[[See Video to Reveal this Text or Code Snippet]]

2. Create a New Method for API Data Retrieval

Next, create a new method that gets the data from the API. This method will utilize the updated GenerateRequestUri function to fetch the data using the provided mapCode.

Here’s what it looks like:

[[See Video to Reveal this Text or Code Snippet]]

3. Integrate the New Method into Your Application

Finally, you need to replace your old database connection method call with the new API method call in your application wherever you have used it before.

Conclusion

By following these steps, you've successfully refactored your database connection method to retrieve data from an API. This not only makes your application more scalable and adaptable to changes but also aligns it with modern practices focused on web services.

Embrace this transformation and explore the endless possibilities that APIs offer!