In this answer, we have shared how to catch multiple exceptions at once in c# programming language? Use Catch
System.Exception and switch on the types:
catch (Exception ex)
if (ex is FormatException || ex is OverflowException)
WebId = Guid.Empty;
If you like this question & answer and want to contribute, then write your question & answer and email to freewebmentor[@]gmail.com. Your question and answer will appear on FreeWebMentor.com and help other developers.