从数据库显示中选择选项到另一个页面

Question

Please help me how to display this select option dropdown to another page. i got the correct content of the database and when i submit the button the one that it display if always the first row or (default). PLEASE.

$select_size = mysql_query("SELECT * FROM size_tbl WHERE prod_id ='$prod_aydi' ");
?>  
Size: &nbsp; <select class="details_order1" name="size" >
<?php
while($data=mysql_fetch_assoc($select_size))
{
    $prod_diay = $data['prod_id'];
    $sze = $data['size_name'] ;
    ?>
    <option value="<?php echo $prod_diay ?>"><?php echo $sze ?></option>
    <?php
}
?>
</select>

FUNCTION.php

function get_size($pid) {
    $result=mysql_query("select id from product_tbl where id='$pid' ") ;
    $row=mysql_fetch_array($result);    
    $aydi = $row['id'];

    $sel = mysql_query("SELECT size_name FROM size_tbl WHERE prod_id='$aydi' ");
    $row2 = mysql_fetch_array($sel);            
    return $row2['size_name'];
}

Answer 1

您需要在页面加载时将“ selected”属性添加到要选择的<option>中。

<option selected>...</option>

Answer 2

<option value="<?php echo $prod_diay ?>" <?php if($sze == '$row2['size_name'] ') 
echo" selected ";  ?> >
<?php echo $sze ?></option>

would give you the selected option , ie like if you are doing an update or something.