1.ng-app - AngularJS application to HTML.
2.ng-model - AngularJS application data to HTML input controls.
3.ng-bind - AngularJS Application data to HTML tags.
Ex : {{ng-bind}}
DEMO
HTML
<%@ Page Title="" Language="C#" MasterPageFile="~/MasterPage.master" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>
<asp:Content ID="Content1" ng-app ContentPlaceHolderID="head" Runat="Server">
<script src = "https://ajax.googleapis.com/ajax/libs/angularjs/1.4.8/angular.min.js"></script>
</asp:Content>
<asp:Content ID="Content2" ContentPlaceHolderID="ContentPlaceHolder1" Runat="Server">
<div align="center" ng-app>
<h1>AnjularJs Using in Masterpage</h1>
<table><tr><td>
<asp:Label ID="Label1" runat="server" Text="Name"></asp:Label>
</td><td>
<asp:TextBox ID="TextBox1" ng-model="name" runat="server"></asp:TextBox>
</td><td style="color:red">{{name}}</td></tr>
<tr><td>
<asp:Label ID="Label2" runat="server" Text="Email"></asp:Label>
</td><td>
<asp:TextBox ID="TextBox2" ng-model="email" runat="server"></asp:TextBox>
</td><td style="color:red">{{email}}</td></tr>
<tr><td>
<asp:Label ID="Label3" runat="server" Text="Mobile
Number"></asp:Label>
</td><td>
<asp:TextBox ID="TextBox3" ng-model="mobile" runat="server"></asp:TextBox>
</td><td style="color:red">{{mobile}}</td></tr>
<tr><td colspan="2" style="color:deeppink">{{name}},{{email}},{{mobile}}</td></tr>
</table>
</div>
</asp:Content>
First Add new webform - Add Masterpage - Head section Contentplaceholder inside add AngularJs Script Plugin
Next - Add ng-app add to div tab - ng-modal add for name,mobile,email and bind {{ng-bind}} individually even with total binding