Parse string with no format to byte in CSharp

using System;/*from ww w.ja  va  2s .  com*/
using System.Globalization;

public class Example
{
   public static void Main()
   {
      NumberStyles style;
      sbyte number;

      string[] values1 = { " 121 ", "121", "-121" };
      style = NumberStyles.None;
      Console.WriteLine("Styles: {0}", style.ToString());
      foreach (string value in values1)
      {
         try {
            number = SByte.Parse(value, style);
            Console.WriteLine("   Converted '{0}' to {1}.", value, number);
         }   
         catch (FormatException) {
            Console.WriteLine("   Unable to parse '{0}'.", value);
         }
      }
    
   }
}