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🧠 Great AL code isn’t just about logic. it’s about how you write it.

Sohail Ahmed Profile Picture Sohail Ahmed 4,666
It’s time to replace cluttered if statements with something built for clarity and scale.

🔍 What is "case of" in AL?
Think of it as AL’s version of a switch-case structure. It lets you evaluate a single expression and execute different logic based on its value — all with a much cleaner syntax than a long chain of if statements.


Why Use case of Instead of if?
♦ Readable: Logic flows visually — each condition is clearly defined.
♦ Maintainable: Adding or updating logic is simple and organized.
♦ Faster Decision Making: AL evaluates the expression once and jumps straight to the matching case.
♦ Safe: You can handle unexpected values using an else block — your safety net.

One variable, multiple outcomes — handled cleanly and clearly.


💡 Best Practices for Using case of in AL
✔️ Always include an else block – avoid unhandled scenarios.
✔️ Keep each block focused – offload heavier logic to helper functions.
✔️ Use enums or constants – they make your conditions more meaningful.
✔️ Don’t overcomplicate – if logic gets too long, break it into smaller procedures.

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🚀 Where It Shines in Business Central
Whether you're handling document statuses, evaluating field values, or building custom processing flows — case of helps structure your logic in a clear, scalable way.

🔁 If you’re still using long if-else chains in your AL code, try replacing them with case of and see the difference it makes.

Read Full blog here 


💬 Have you used case of in an interesting way in your project? Share your experience below — would love to learn from the community!

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