Extension Method in c#

Extension Method:

  private static decimal GetDecimal(object value)
        {
            decimal result = 0;           

            decimal.TryParse(GetString(value), out result);

            return result;
        }

        public static decimal GetDecimal(this decimal? value)
        {
            return GetDecimal(value);
        }

        public static decimal GetDecimal(this decimal value)
        {
            return GetDecimal(value);
        }

public static string GetString(object value)
        {
            string result = "";

            if (value != null && value != DBNull.Value)
                result = value.ToString();

            return result;
        }