Configuration ASP.Net Tutorial

File: App_Code\AdminUsersSection.cs
using System;
using System.Configuration;
namespace MyNamespace
{
    public class AdminUsersSection : ConfigurationSection
    {
        [ConfigurationProperty("", IsDefaultCollection = true)]
        public AdminUsersCollection Users
        {
            get { return (AdminUsersCollection)this[""]; }
        }
    }
    public class AdminUsersCollection : ConfigurationElementCollection
    {
        protected override ConfigurationElement CreateNewElement()
        {
            return new AdminUser();
        }
        protected override object GetElementKey(ConfigurationElement element)
        {
            return ((AdminUser)element).Name;
        }
        public AdminUsersCollection()
        {
            this.AddElementName = "user";
        }
    }
    public class AdminUser : ConfigurationElement
    {
        [ConfigurationProperty("name", IsRequired = true, IsKey = true)]
        public string Name
        {
            get { return (string)this["name"]; }
            set { this["name"] = value; }
        }
        [ConfigurationProperty("password", IsRequired = true)]
        public string Password
        {
            get { return (string)this["password"]; }
            set { this["password"] = value; }
        }
    }
}
            
File: Web.config


  
          name="adminUsers"
      type="MyNamespace.AdminUsersSection"
      allowLocation="true"
      allowDefinition="Everywhere" />
  


  
    
    
  



Displaying the contents of the adminUsers section in a BulletedList control.
<%@ Page Language="C#" %>
<%@ Import Namespace="MyNamespace" %>
<%@ Import Namespace="System.Web.Configuration" %>
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

    void Page_Load()
    {
        AdminUsersSection section = (AdminUsersSection)WebConfigurationManager.GetWebApplicationSection("system.web/adminUsers");
        bltAdminUsers.DataSource = section.Users;
        bltAdminUsers.DataBind();
    }



    Show AdminUsersSection


    
    

    

Administrators


            id="bltAdminUsers"
        DataTextField="Name"
        Runat="server" />