using System;
    using System.Collections.Generic;
    using System.Linq;
    using System.Web;
    using System.Web.UI;
    using System.Web.UI.WebControls;
    using System.Data;
    namespace DynamicMenu
    {
        public partial class _Default : System.Web.UI.Page
        {
            protected void Page_Load(object sender, EventArgs e)
            {         
                if (!IsPostBack)
                {
                    DataTable dtMenu = new DataTable();
                    DataSet ds = new DataSet();
                    XmlDataSource xmlDataSource = new XmlDataSource();
                    xmlDataSource.ID = "XmlSource1";
                    xmlDataSource.EnableCaching = false;
                    dtMenu = GetMenuTable();
                    ds.Tables.Add(dtMenu);
                    ds.DataSetName = "Menus";
                    ds.Tables[0].TableName = "Menu";
                    DataRelation relation = new DataRelation("Parentchild", ds.Tables["Menu"].Columns["Id"], ds.Tables["Menu"].Columns["ParentId"], true);
                    relation.Nested = true;
                    ds.Relations.Add(relation);
                    xmlDataSource.Data = ds.GetXml();
                    //Reformat the xmldatasource from the dataset to fit menu into xml format
                    xmlDataSource.TransformFile = Server.MapPath("~/Menu.xslt");
                    //assigning the path to start read all MenuItem under MenuItems
                    xmlDataSource.XPath = "MenuItems/MenuItem";
                    //Finally, bind the source to the Menu1 control
                    Menu1.DataSource = xmlDataSource;
                    Menu1.DataBind();
                }
            }
            private DataTable GetMenuTable()
            {
                DataTable dt = new DataTable();
                dt.Columns.Add("Id", Type.GetType("System.Int16"));
                dt.Columns.Add("ParentId", Type.GetType("System.Int16"));
                dt.Columns.Add("Name", Type.GetType("System.String"));         
                dt.Columns.Add("ToolTip", Type.GetType("System.String"));
                dt.Columns.Add("NavigateUrl", Type.GetType("System.String"));
                DataColumn[] dcArray = new DataColumn[1];
                dcArray[0] = dt.Columns[0];
                dt.PrimaryKey = dcArray;
                DataRow dr;
                dr = dt.NewRow();
                dr[0] = 1;
                dr[1] = DBNull.Value;
                dr[2] = "Home";        
                dr[3] = "Click here to go to Home";
                dr[4] = "~/Default.aspx";
                dt.Rows.Add(dr);
                dr = dt.NewRow();
                dr[0] = 2;
                dr[1] = DBNull.Value;
                dr[2] = "Services";         
                dr[3] = "Click here to go to Services";
                dr[4] = "~/Services.aspx";
                dt.Rows.Add(dr);
                dr = dt.NewRow();
                dr[0] = 3;
                dr[1] = DBNull.Value;
                dr[2] = "Contactus";        
                dr[3] = "Click here to go to Contactus";
                dr[4] = "~/Contactus.aspx";
                dt.Rows.Add(dr);
                dr = dt.NewRow();
                dr[0] = 4;
                dr[1] = 2;
                dr[2] = "Web Designing";          
                dr[3] = "Click here to go to Web Designing";
                dr[4] = "~/WebDesign.aspx";
                dt.Rows.Add(dr);
                dr = dt.NewRow();
                dr[0] = 5;
                dr[1] = 2;
                dr[2] = "Web Development";          
                dr[3] = "Click here to go to Web Development";
                dr[4] = "~/WebDevelopment.aspx";
                dt.Rows.Add(dr);
                dr = dt.NewRow();
                dr[0] = 6;
                dr[1] = 2;
                dr[2] = "OutSourcing";          
                dr[3] = "Click here to go to Outsourcing";
                dr[4] = "~/Outsourcing.aspx";
                dt.Rows.Add(dr);
                return dt;
            }
           
        }
    }
    

    <?xml version="1.0" encoding="utf-8"?>
    <xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
    xmlns:msxsl="urn:schemas-microsoft-com:xslt" exclude-result-prefixes="msxsl">
    <xsl:output method="xml" indent="yes" encoding="utf-8"/>
    <!-- Find the root node called Menus
          and call MenuListing for its children -->
    <xsl:template match="/Menus">
    <MenuItems>
    <xsl:call-template name="MenuListing" />
    </MenuItems>
    </xsl:template>
    <!-- Allow for recusive child node processing -->
    <xsl:template name="MenuListing">
    <xsl:apply-templates select="Menu" />
    </xsl:template>
    <xsl:template match="Menu">
    <MenuItem>
    <!-- Convert Menu child elements to MenuItem attributes -->
    <xsl:attribute name="MenuText">
    <xsl:value-of select="Name"/>
    </xsl:attribute>
    <xsl:attribute name="tooltip">
    <xsl:value-of select="ToolTip"/>
    </xsl:attribute>
    <xsl:attribute name="destUrl">
    <xsl:value-of select="NavigateUrl"/>
    </xsl:attribute>
    <!-- Call MenuListing if there are child Menu nodes -->
    <xsl:if test="count(Menu) > 0">
    <xsl:call-template name="MenuListing" />
    </xsl:if>
    </MenuItem>
    </xsl:template>
       
    </xsl:stylesheet>