Reducing duplicate error handling code in C

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error handling is an essential part of writing robust and reliable software applications. however, it often leads to repetitive and error-prone code if not managed properly. in this tutorial, we'll explore techniques to reduce duplicate error handling code in c# using custom exceptions and centralizing error handling logic.
duplicate error handling code occurs when you repeatedly handle the same errors in multiple places throughout your codebase. this not only makes your code harder to maintain but also increases the chances of introducing bugs when making changes to the error handling logic.
consider a scenario where you have a c# application with multiple methods that interact with a database. each method has its own error handling code for database-related exceptions. if the database connection or query logic changes, you would need to update error handling code in every method, which is error-prone and time-consuming.
one way to reduce duplicate error handling is by creating custom exceptions specific to your application. custom exceptions allow you to encapsulate error details and provide a consistent way of handling errors.
with custom exceptions, you can throw and catch them in your code instead of generic exceptions like system.exception. this way, you centralize the error type, making it easier to manage.
to further reduce duplicate error handling code, create a central error handling mechanism. this can be achieved using a try-catch block in a high-level part of your application, such as the main method or a middleware.
by handling errors centrally, you ensure that the same error handling logic is applied consistently throughout your application.
logging is crucial for diagnosing and debugging errors in your application. you can create a logging system that records exceptions along with relevant information like timestamps, stack traces, and user context.
let's put these concepts into practice with a simple example. suppose you have a c# method that reads ...