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Try/catch/finally/throw keywords in C#
Exception handling is based on the following keywords and its usage −
try − A try block identifies a block of code for which particular exceptions is activated. It is followed by one or more catch blocks.
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. For example, if you open a file, it must be closed whether an exception is raised or not.
throw − A program throws an exception when a problem shows up. This is done using a throw keyword.
To handle exceptions, you need to set them like the following syntax in C# −
try {
// statements causing exception
} catch( ExceptionName e1 ) {
// error handling code
} catch( ExceptionName e2 ) {
// error handling code
} catch( ExceptionName eN ) {
// error handling code
} finally {
// statements to be executed
}
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