Notification pop up for new records in database.

One of the best options would be to use SignalR and SQLDependency. Enable SQLDependency which will notify to the server whenever a new record get inserted and then use SignalR that will notfy to the client. For details look to the below links

SQLDependency http://techbrij.com/database-change-notifications-asp-net-signalr-sqld[^]

http://stackoverflow.com/questions/9880155/using-signalr-with-sqldependency-to-push-database-updates[^]

<script> var old_count = 0;
var i = 0;
setInterval(function(){    
$.ajax({
    type : "POST",
    url : "notifi.php",
    success : function(data){
        if (data > old_count) { if (i == 0){old_count = data;} 
            else{
            alert('New Enquiry!');
            old_count = data;}
        } i=1;
    }
});
},1000);</script>

next file add is notifi.php
<?php
include('db.php');
$sql = "SELECT count(*) as count FROM message";
$qry = mysql_query($sql);
$rowq = mysql_fetch_assoc($qry);
echo $rowq['count'];
?>