throw ex resets the stack trace (so your errors would appear to originate from HandleException) throw doesn't - the original offender would be preserved.

throw ex resets the stack trace (so your errors would appear to originate from HandleException) throw doesn't - the original offender would be preserved.

throw ex resets the stack trace (so your errors would appear to originate from HandleException) throw doesn't - the original offender would be preserved.

throw ex resets the stack trace (so your errors would appear to originate from HandleException) throw doesn't - the original offender would be preserved.

throw ex resets the stack trace (so your errors would appear to originate from HandleException) throw doesn't - the original offender would be preserved.

Throw provide actual error Throw ex provide the stack trace

“Throw” statement preserves original error stack whereas “throw ex” have the stack trace from their throw point. It is always advised to use “throw” because it provides more accurate error information.