update database from html form using ajax

Question

I would like some help with ajax. I would like to update a php file which will update a database. I have a form which send the selected check box to a php file which then up

Answer 1

Update: As well as fixing the dataString, stop the form from being submitted so that your function is used:

    
    
    Update

The ajax call should handle returned data from updateDb.php.

Update the php file to send data back to the server, revert to $_POST instead of $_GET and remove the header call at the bottom:

if($result){
    $data['success'=>true, 'result'=>$result];

} else {
    $data['success'=>false];
}
echo json_encode($data);
// die(); // nothing needed after that

Update the ajax call to handle the response and fix your dataString with '&' between params (This is why you are not getting your params properly).

var dataString = 'boiler=' + boiler + '&niamh=' + niamh;

// AJAX code to submit form.
$.ajax({
type: "POST",
url: "updateDB.php",
data: dataString,
cache: false,
success: function(data) {
    var json = $.parseJSON(data);
    if(json.success){
        // update the page elements and do something with data.results
        var results = data.results;

    } else {
        // alert("some error message")'
    }
}
});

}