how to set nice layout? and how to set both dropdownlist in the same row?
Screen Shot
my code
<?php
$this->breadcrumbs=array(
    'Book',
);
?>
<?php $form=$this->beginWidget('bootstrap.widgets.TbActiveForm', array(
    'id'=>'test',
    'type'=>'horizontal',
    'enableClientValidation'=>true,
    'clientOptions'=>array(
        'validateOnSubmit'=>true,
    ),
));
echo CHtml::beginForm();
echo CHtml::errorSummary($model);
echo CHtml::Label('Q_number','');
echo $form->textFieldRow($model, 'C_name', array('id' => 'text'));
echo $form->dropDownListRow( $model, 'C_time',$this->HH(), array('empty' => 'เลือก',
        'ajax' => array(
            'type'=>'POST',
            'url'=>CController::createUrl('Customers/MM'),
            'update'=>'#drpMinute',
            'data'=>array('hour' => 'js:this.value'),
        ),
        'class'=>'input-small'
    )
);
echo " : ";
echo CHtml::dropDownList('drpMinute','', array('empty'=>'เลือก'), array('class'=>'input-small'));
echo CHtml::submitButton('Book', array('name' => 'submit'));
echo CHtml::endForm();
$this->endWidget();
?>