您好我想回复菜单价格的结果。下面是代码,但在选择菜单类型(如菜单1)后,没有显示任何内容。
<select name="updateMenuPrice" class="StyleTextField" id="updateMenuPrice">
<option value="-1">Select One</option>
<option value="Menu 1">Menu 1</option>
<option value="Menu 2">Menu 2</option>
<option value="Menu 3">Menu 3</option>
</select>
<?php
if(isset($_POST['UpdatePriceBtn'])){
$_SESSION["cupdateprice"] = $_POST['updateMenuPrice'];
}
$con = mysqli_connect("localhost", "root", "password", "test") or die(mysql_error());
if (!$con) {
die('Could not connect: ' . mysql_error());
echo 'fail1\n';
}//if
// else echo 'Connected successfully';
$sql = "SELECT Price from menu where Menu_type = '".$_SESSION["cupdateprice"]."'";
if(mysqli_query($con, $sql)){
$result = mysqli_query($con, $sql);
echo $sql ;
}
else {
echo "failed";
}
?>