Convert string to int and test success in C#

Int32.TryParse(String, Int32) – http://msdn.microsoft.com/en-us/library/f02979c7.aspx

  bool result = Int32.TryParse(value, out number);
  if (result)
  {
     Console.WriteLine("Converted '{0}' to {1}.", value, number);         
  }