[英]PHP SQL Drop Down List — Displays but Can't Select
我正在嘗試創建一個下拉菜單來動態更新表格。 下拉列表顯示了類別表中的項目,但它們不可單擊-無法選擇。 我做錯了什么?
$sql = "SELECT pd_id, c.cat_id, cat_name, pd_name, pd_thumbnail
FROM tbl_product p, tbl_category c
WHERE p.cat_id = c.cat_id $sql2
ORDER BY pd_name";
$result = dbQuery(getPagingQuery($sql, $rowsPerPage));
$pagingLink = getPagingLink($sql, $rowsPerPage, $queryString);
$categoryList = buildCategoryOptions($catId);
?>
<p> </p>
<form action="processProduct.php?action=addProduct" method="post" name="frmListProduct" id="frmListProduct">
<table width="100%" border="0" cellspacing="0" cellpadding="2" class="text">
<tr>
<td align="right">View products in :
<select name="cboCategory" class="box" id="cboCategory" onChange="viewProduct();">
<option selected>All Category</option>
<?php echo $categoryList; ?>
</select>
</td>
</tr>
</table>
foreach ( $query->result_array () as $val )
{
`$cat=$val['categoryid'];`
echo "<OPTION value=\\"$cat\\">$cat</OPTION>";
}
嘗試如上所述構建PHP。
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