The AdminUsersSection class enables you to represent a list of users : adminUsers « 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

<configuration>
<configSections>
  <sectionGroup name="system.web">
    <section
      name="adminUsers"
      type="MyNamespace.AdminUsersSection"
      allowLocation="true"
      allowDefinition="Everywhere" />
  </sectionGroup>
</configSections>
<system.web>

  <adminUsers>
    <user name="Bob" password="secret" />
    <user name="Fred" password="secret" />
  </adminUsers>

</system.web>
</configuration>


Displaying the contents of the adminUsers section in a BulletedList control.

<%@ Page Language="C#" %>
<%@ Import Namespace="MyNamespace" %>
<%@ Import Namespace="System.Web.Configuration" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<script runat="server">

    void Page_Load()
    {
        AdminUsersSection section = (AdminUsersSection)WebConfigurationManager.GetWebApplicationSection("system.web/adminUsers");
        bltAdminUsers.DataSource = section.Users;
        bltAdminUsers.DataBind();
    }
</script>
<html xmlns="http://www.w3.org/1999/xhtml" >
<head id="Head1" runat="server">
    <title>Show AdminUsersSection</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>

    <h1>Administrators</h1>
    <asp:BulletedList
        id="bltAdminUsers"
        DataTextField="Name"
        Runat="server" />

    </div>
    </form>
</body>
</html>
16.2.adminUsers
	16.2.1.	The AdminUsersSection class enables you to represent a list of users