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File: Default.aspx
<%@ Page Language="C#" 
         MasterPageFile="~/Default.master" 
         AutoEventWireup="true" 
         CodeFile="DynamicContentPage.aspx.cs" 
         Inherits="DynamicContentPage_aspx" 
         Title="Untitled Page" %>
Sample content
File: Default.aspx.cs
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
public partial class DynamicContentPage_aspx : System.Web.UI.Page
{
  protected void Page_PreInit(object sender, EventArgs e)
  {
    this.MasterPageFile = "TableMaster.master";
  } 
}
File: Default.master
<%@ Master Language="C#" AutoEventWireup="true" CodeFile="Default.master.cs" Inherits="SiteTemplate" %>



    Untitled Page


    
    

        
        
        This is a simple footer.

    


File: Default.master.cs
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
public partial class SiteTemplate : System.Web.UI.MasterPage
{
    protected void Page_Load(object sender, EventArgs e)
    {
    }
}
File: TableMaster.master
<%@ Master Language="C#" AutoEventWireup="true" CodeFile="Default.master.cs" Inherits="TableMaster" %>



    Untitled Page


    
    
    
        
            

My Header


        
    
    
        
            
                
                    
                        
                        
                    
                
            
        
        
            
            
        
    
    
        
            My Footer
        
    
    
    


File: TableMaster.master.cs
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
public partial class TableMaster : System.Web.UI.MasterPage
{
    public bool ShowNavigationControls
  {
    set { Treeview1.Visible = value; }
    get { return Treeview1.Visible; }
  }
}