/// <summary>
        /// This method returns the Boolean value for the source string given.
        /// </summary>
        public static bool ParseBoolean(string sourceString, bool defaultValue, bool errorValue)
        {
            // initial value
            bool boolValue = defaultValue;

            try
            {
                // if the string exists
                if (TextHelper.Exists(sourceString))
                {
                    if (TextHelper.IsEqual(sourceString, "1"))
                    {
                        // one is true
                        boolValue = true;
                    }
                    else if (TextHelper.IsEqual(sourceString, "0"))
                    {
                        // zero is false
                        boolValue = false;
                    }
                    else if (TextHelper.IsEqual(sourceString.ToLower(), "true"))
                    {
                        // true
                        boolValue = true;
                    }
                    else if (TextHelper.IsEqual(sourceString.ToLower(), "false"))
                    {
                        // false
                        boolValue = false;
                    }
                    else
                    {
                        // parse as an int
                        int value = NumericHelper.ParseInteger(sourceString, 0, 0);

                        // if value is not equal to zero
                        if (value != 0)
                        {
                            // any non zero is a true
                            boolValue = true;
                        }
                        else
                        {
                            // perform the parse
                            boolValue = Boolean.Parse(sourceString);
                        }
                    }
                }
            }
            catch (Exception error)
            {
                // for debugging only
                string err = error.ToString();

                // set the return value to the errorValue
                boolValue = errorValue;
            }

            // return value
            return(boolValue);
        }