System.Exception—catch an ArgumentNullException

C# Code Snippets

C# Source Code Bank System namespace

See also … C# Language Reference C# Language Specification

edit

This C# code snippet first causes and then catches an ArgumentNullException.

using System;
 
class ArgumentNullExceptionExample
{
   public static void Main()
   {
      String[] stringArray = null;
      String delimiter  = " ";
      try
      {
         String s = String.Join (delimiter, stringArray);
      }
      catch (ArgumentNullException e)
      {
         Console.WriteLine ("Exception: {0}", e);
      }
   }
}

ArgumentNullException example (program output)

Exception: System.ArgumentNullException: Value cannot be null. Parameter name: value at System.String.Join(String separator, String[] value) at ArgumentNullExceptionExample.Main() in Program.cs:line 8