form prefill?

is there a way to pre-populate forms?  here is what I have in my view:

<?php echo $this->Form->create('Biddetail'); ?>
    <fieldset>
        <legend><?php echo __('Add Biddetail'); ?></legend>
    <?php
        echo $this->Form->input('bid_id');  I want to pre-fill this field
        echo $this->Form->input('Property_Owner');
        echo $this->Form->input('Opening_Date');
        echo $this->Form->input('Propery_Address');
        echo $this->Form->input('Property_City');
        echo $this->Form->input('Property_State');
        echo $this->Form->input('Property_Zip');
        echo $this->Form->input('Property_County');
        echo $this->Form->input('Control_Map');
        echo $this->Form->input('Parcel');
        echo $this->Form->input('Open_Date');
        echo $this->Form->input('Open_Time');
        echo $this->Form->input('Bid_Location');
        echo $this->Form->input('Performance_Bond');
        echo $this->Form->input('Contract_Signing');
        echo $this->Form->input('Entry_Date');
        echo $this->Form->input('Sold');
        echo $this->Form->input('Board_Foot_Hardwood_Sawtimber');
        echo $this->Form->input('Hardwood_Pulpwood_Tons');
        echo $this->Form->input('Pine_Sawtimber_Tons');
        echo $this->Form->input('Pine_Pulpwood_Tons');
    ?>
    </fieldset>
<?php echo $this->Form->end(__('Submit')); ?>

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