public function Form() {


        $measurement = new TextField('Measurement', 'Measurement');
        $siteId = new TextField('SiteId', 'Site ID');
        $recentTimeCount = DropdownField::create('recenttimecount')
            ->setSource(array(0 => '1',
                              1 => '2',
                              1 => '3',
                              1 => '4',
                              1 => '5',
                              1 => '6',
                              1 => '10',
                              1 => '12'))->setEmptyString('select');
        $recentTimeUnit = DropdownField::create('recenttimeunit')
            ->setSource(array(0 => 'Hour',
                              1 => 'Day',
                              2 => 'Week',
                              3 => 'Month'))->setEmptyString('select');
         $tickSpacingCount = Dropdownfield::create('tickspacingcount')
            ->setSource(array(0 => '1',
                              1 => '2',
                              2 => '3',
                              3 => '4',
                              4 => '5',
                              5 => '6',
                              6 => '10',
                              7 => '12'))->setEmptyString('select');
         $tickSpacingUnit = Dropdownfield::create('tickspacingunit')
            ->setSource(array(0 => 'Hour',
                              1 => 'Day',
                              2 => 'Week',
                              3 => 'Month'))->setEmptyString('select');

        $topLabel = new TextField('toplable', 'Top Label');
        $verticalLabel = new TextField('verticallabel', 'Vertical Label');
        $timeRangeStart = new DateField('timerangestart', 'Start Date');
        $timeRangeEnd = new DateField('timerangeend', 'End Date');

        $color = Dropdownfield::create('color')
            ->setSource(array(0 => 'Red',
                              1 => 'Blue'))->setEmptyString('select');
        $xAxis = Dropdownfield::create('xAxis')
            ->setSource(array(0 => '600',
                              1 => '900',
                              2 => '1200'))->setEmptyString('select');
        $yAxis = Dropdownfield::create('yAxis')
            ->setSource(array(0 => '300',
                              1 => '450',
                              2 => '600'))->setEmptyString('select');

        $returnType = 'Graph';
        $fields = new FieldList(
            $measurement,
            $siteId,
            $recentTimeCount,
            $recentTimeUnit,
            $tickSpacingCount,
            $tickSpacingUnit,
            $topLabel,
            $verticalLabel,
            $timeRangeStart,
            $timeRangeEnd,
            $color,
            $xAxis,
            $yAxis,
            $returnType
        );


        $validator = new RequiredFields('measurement',
                                        'SiteId',
                                        'recenttimecount',
                                        'recenttimeunit',
                                        'tickspacingcount',
                                        'tickspacingunit',
                                        'toplable',
                                        'verticallabel',
                                        'timerangestart',
                                        'timerangeend',
                                        'color',
                                        'xAxis',
                                        'yAxis');

        if ($this->HasGraphBinary())
        {
            $fields->push(LiteralField::create('MyGraph', '<img src="' . $this->myGraph . ' "</img>'));
        }

        $action = new FormAction('doSubmit',  _t('GraphingPage.SubmitText', 'Generate Graph'));
        $actions = new FieldList(
            $action
        );


        $form = new Form($this, 'Form', $fields, $actions, $validator);

        return $form;

    }