How to access the database using XmlDataSource Control in

Hi friend ,Today we will learn about the XmlDataSource Control in The XmlDataSource Control allows a data bound control to bind the data from a XML document.This control also supports Xpath expressions that allow you to return only certain nodes from the XML document.In our previous post ,i have already explained some database controls with examples.
There some steps to implement this whole concepts as given below:- 
Step 1:- First open Your visual studio-->Create an Empty website-->Add  a Default.aspx page -->drag and drop  XmlDataSource and Gridview controls on the page as shown below:-

Step 2:- Now open Solution Explorer window--> Add an XML File inside App_Data Folder as shown below:-

Step 3:- Now Add some values (data) inside the xml file as shown below:-
Step 4:- Now open XmlDataSource tasks--> Configure Data Source.. as shown below:-

Step 5:-Now Press Browse Button as shown below:-

Step 6:- Now select XML File --> OK as shown below:-

Step 7:- Now open Gridview Tasks --> Select XmlDataSource1 as shown below:-

Step 8:-Now Open Source file-->Write the codes for generating the columns and bound the data in Gridview control as given below:-

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "">

<html xmlns="">
<head runat="server">
    <form id="form1" runat="server">
        <span class="style1"><strong>How to use XMLDATASOURCE Control</strong></span><br />
        <br />
        <asp:XmlDataSource ID="XmlDataSource1" runat="server" 
        <br />
        <asp:GridView ID="GridView1" runat="server" AutoGenerateColumns="False" 
            CellPadding="4" DataSourceID="XmlDataSource1" ForeColor="#333333" 
            <AlternatingRowStyle BackColor="White" />
                <asp:BoundField DataField="Name" HeaderText="Name" SortExpression="Name" />
                <asp:BoundField DataField="Mobile_Number" HeaderText="Mobile_Number" 
                    SortExpression="Mobile_Number" />
                <asp:BoundField DataField="Graduation" HeaderText="Graduation" 
                    SortExpression="Graduation" />
            <FooterStyle BackColor="#990000" Font-Bold="True" ForeColor="White" />
            <HeaderStyle BackColor="#990000" Font-Bold="True" ForeColor="White" />
            <PagerStyle BackColor="#FFCC66" ForeColor="#333333" HorizontalAlign="Center" />
            <RowStyle BackColor="#FFFBD6" ForeColor="#333333" />
            <SelectedRowStyle BackColor="#FFCC66" Font-Bold="True" ForeColor="Navy" />
            <SortedAscendingCellStyle BackColor="#FDF5AC" />
            <SortedAscendingHeaderStyle BackColor="#4D0000" />
            <SortedDescendingCellStyle BackColor="#FCF6C0" />
            <SortedDescendingHeaderStyle BackColor="#820000" />

Step 8:- Now Run the Application--> You will see following output as shown below:-
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