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Given the following code:
try
// code1
try
// code2
catch ex as exception
end try
// code3
catch ex as exception
end try
Are there any side effects to naming the two exception variables the same or should they have different names?
Nope, that should be fine. They’re entirely independent variables. At least, that’s the case in C# – I couldn’t say for certain in VB, but I’d be really surprised if there were any side-effects beyond potential confusion when reading the code 🙂
In particular, the two variables have different scopes, as neither is really nested within the block declaring the other – the “inner” one is declared within the outer try block. If you wrote a try/catch block within the catch block then that nested catch block couldn’t reuse the same variable name.