bread crumbs in asp.net application

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C#

ASP.NET

in my application i am using web part and timer in my welcome page .now i want to add bread crumbs in my application and i have called web.sitemap in my application& added sitemappath control in master page but i cannot get root path at runtime....
help me genious.............

this is my web.sitemap page :

<?xml version="1.0" encoding="utf-8" ?>
<siteMap xmlns="http://schemas.microsoft.com/AspNet/SiteMap-File-1.0" >
  <siteMapNode url="CeeconsWelcome.aspx" title="Home"  description="This is Ceacons Home Page.">
    <siteMapNode url="EmployeeTask.aspx" title="Employee Task"  description="This page is to add Employees Task.">
      <siteMapNode url="EmployeeTaskListing.aspx" title="Employee Task Listing"  description="This page contains Employee task details" >
        <siteMapNode url="BearingAdd.aspx" title="ASP.Net"  description="ASP.Net  section" >
          <siteMapNode url="NoticeBoardListing.aspx" title="Creating Bread Crumbs with ASP.Net"  description="Creating Bread Crumbs with ASP.Net" />
        </siteMapNode>
        <siteMapNode url="NoticeBoard.aspx" title="Java Script"  description="Java Script Section" />
      </siteMapNode>
      <siteMapNode url="UserProfile.aspx" title="Articles"  description="Articles Section" />
    </siteMapNode>

  </siteMapNode>

</siteMap>

added in master page:

<div>
                                       <asp:SiteMapPath ID="SiteMapPath1" runat="server" CssClass="sitmap">
                                      </asp:SiteMapPath>
                                       </div>