Hi,
I have one textbox named as textbox
In ineed to enter like numbers like below image

Could you please kindly help me
@{
Layout = null;
}
<html ng-app="myApp">
<head>
<link href="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.0/css/bootstrap.css" rel="stylesheet" />
<link href="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.0/css/bootstrap.min.css" rel="stylesheet" />
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/1.12.4/jquery.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/3.3.7/js/bootstrap.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/angular.js/1.5.5/angular.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/angular.js/1.6.8/angular.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/angular.js/1.5.5/angular.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/angular.js/1.6.8/angular.min.js"></script>
<script>
var app = angular.module("myApp", []);
app.controller("myCntrl", ['$scope', '$http', function ($scope, $http) {
}]);
</script>
</head>
<body ng-controller="myCntrl">
<div class="container">
<div>
<div id="wrapper" class="clearfix">
<form name="userForm" novalidate>
<div class="form-horizontal">
<div class="row">
<div class="col-md-3">
<label for="CreditCard">
Credit card No
</label>
<input type="text" ng-model="CreditCard" name="CreditCard" class="form-control" />
</div>
</div>
</div>
</form>
</div>
</div>
</div>
</body>
</html>