Parse string in hexidecmial format to integer in CSharp

using System;// w w w  . j a  va  2s .co m
using System.Globalization;

public class Example
{
   public static void Main()
   {
      
      string string2 = "FFFFFF";
      try {
         int number2 = Int32.Parse(string2,System.Globalization.NumberStyles.HexNumber);
         Console.WriteLine(number2);
      }
      catch (OverflowException) {
         Console.WriteLine("'{0}' is out of range of a 32-bit integer.", string2);
      }
      catch (FormatException) {
         Console.WriteLine("The format of '{0}' is invalid.", string2);
      }
   }
}