单击并使用jquery提交按钮ID

Question

my aim is to submit a button id using jquery into a database im only interested in the button not its value.

$("#button").click(function() {
    var p = $(this).attr("id");

    $.ajax({
        type: "POST",
        url: "subpage.php",
        data: 'b=' + p,
        cache: false,
        success: function(html) {
            //process live
        }
    });
    return false;
});

subpage.php

$item = $_POST['b'];
$query = mysql_query("SELECT * FROM table WHERE  id = '25' AND bttnid = '$item'");
if(count($query)==0){
    mysql_query("INSERT INTO table VALUES ('','25','$item') ");
}

it doesn't submit. please assit

Answer 1

the problem is not in jquery, the problem lies in the php statement.. changed

if(count($query)==0){/../} 

to

if(mysql_num_rows($query)==0){/../} and it works.