Prado\Web\UI\WebControls\TDatePicker::setInputMode PHP Method

    public function setInputMode($value)
    {
        $this->setViewState('InputMode', TPropertyValue::ensureEnum($value, 'Prado\\Web\\UI\\WebControls\\TDatePickerInputMode'), TDatePickerInputMode::TextBox);
    }

 protected function createDateControl($container, $column, $record)
 {
     $value = $this->getRecordPropertyValue($column, $record);
     $control = new TDatePicker();
     $control->setFromYear(1900);
     $control->setInputMode(TDatePickerInputMode::DropDownList);
     $control->setDateFormat('yyyy-MM-dd');
     if (!empty($value)) {
         $control->setDate(substr($value, 0, 10));
     }
     $control->setCssClass('date-dropdown');
     $this->setNotNullProperty($container, $control, $column, $record);
     return $control;
 }