Can you return in a try catch C#?

You need to return from all possible execution paths. So, if your try fails, you need to return something from either the catch or the end of the function.

Can you return from try catch?

To return a value when using try/catch you can use a temporary variable, e.g. Else you need to have a return in every execution path (try block or catch block) that has no throw .

How do you do a return statement on try catch?

Reason:

Whenever try-block executes successfully, then it can always return value for this method.
But if any exception is raised & it is handled in the corresponding catch-block –> return statement at the end of method will be executed and returns the value for this method after executing finally-block.

Does code continue after catch C#?

10 Answers. Well, you don’t have any code after the catch blocks, so the program would stop running.

How does try catch work in C#?

The C# try and catch keywords are used to define a try catch block. A try catch block is placed around code that could throw an exception. If an exception is thrown, this try catch block will handle the exception to ensure that the application does not cause an unhandled exception, user error, or crash the application.

When should I use try catch C#?

Use try/catch/finally blocks to recover from errors or release resources. Use try / catch blocks around code that can potentially generate an exception and your code can recover from that exception. In catch blocks, always order exceptions from the most derived to the least derived. All exceptions derive from Exception …

How do I return on try catch block?

In the preceding code, finally block overrides the value returned by try block. Therefore, this would return value 50 because the value returned by try has been overridden by finally block.

How does try catch finally work in C#?

catch − A program catches an exception with an exception handler at the place in a program where you want to handle the problem. The catch keyword indicates the catching of an exception. finally − The finally block is used to execute a given set of statements, whether an exception is thrown or not thrown.

Can try catch block have return statement?

Yes, we can write a return statement of the method in catch and finally block. If we return a value in the catch block and we can return a value at the end of the method, the code will execute successfully.

Is try catch expensive?

try has almost no expense at all. Instead of doing the work of setting up the try at runtime, the code’s metadata is structured at compile time such that when an exception is thrown, it now does a relatively expensive operation of walking up the stack and seeing if any try blocks exist that would catch this exception.

Does try catch stop code?

It works like this: First, the code in try {…} is executed. If there were no errors, then catch (err) is ignored: the execution reaches the end of try and goes on, skipping catch . If an error occurs, then the try execution is stopped, and control flows to the beginning of catch (err) .

Why try catch is used in C#?