我用提交按鈕創建了一個表單。如果「價格」特定產品已經填滿,然後提交按鈕必須禁用:填寫數據庫字段後禁用提交按鈕
代碼的PHP
<?php
$host="localhost";
$username="root";
$password="";
$db_name="ge";
$con=mysqli_connect("$host", "$username", "$password","$db_name")or die("Your Connection is in error");
$sql="SELECT pname,catogery,email FROM quetation WHERE catogery = '$catogery'";
$results=mysqli_query($con,$sql);
$count=mysqli_num_rows($results);
if($count == 0) {
echo "<font color=\"#0000\"><h1 align=\"center\">No details found</h1></font>";
} else {
$resource=mysqli_query($con,$sql);
echo "<font color=\"#000000\">
<h2 align=\"center\"></h2>
<table align=\"center\" border=\"1\" width=\"50%\">
<tr>
<td><b>ProdName</b></td>
<td><b>Catogery</b></td>
<td><b>Price</b></td>
</tr> ";
while($result=mysqli_fetch_array($resource)) {
echo "
<div class=\"row\">
<div class=\"input-field col s12\">
<tr>
<td>".$result[0]."</td>
<td>".$result[1]."</td>
<td>
<form name=\"abc\" methos=\"post\" action=\"postprice.php\">
<input type=\"submit\" value=\"send\">
</form>
</td>
</div>
</div>
</tr>";
} echo "</table></font>";
}
?>
只有一次,如果已經進入那麼價格應該進入發送按鈕應該被禁用
每當我加載這個頁面,它應該檢查數據庫,如果價格值是fi那麼它應該禁用發送按鈕。
代碼在哪裏? – prasanth
檢查代碼。 – Raahul