Best way to check for inner exception?

Question

I know sometimes innerException is null

So the following might fail:

 repEvent.InnerException = ex.InnerException.Message; 

Is ther

Answer 1

With C# 6.0 you can use:

string message = exception.InnerException?.Message ?? "";

This line of code is similar to:

string message = exception.InnerException == null ? "" : exception.InnerException.Message.

https://msdn.microsoft.com/en-us/library/ty67wk28.aspx

http://blogs.msdn.com/b/jerrynixon/archive/2014/02/26/at-last-c-is-getting-sometimes-called-the-safe-navigation-operator.aspx