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<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs"  Inherits="CacheObjectDataSource" %>



    Cached object data source


    
    

                    DataSourceID="_personObjectDataSource"
            EnableViewState="False" />
                    CacheDuration="120"
            EnableCaching="True" SelectMethod="GetPeople" DataObjectTypeName="Person"
            TypeName="SampleData" />    
    

    


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 CacheObjectDataSource : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        Response.Output.Write("objds.GetHashCode() = {0}", _personObjectDataSource.GetType().GetHashCode());
        Response.Output.Write("objds.CacheDuration = {0}", _personObjectDataSource.CacheDuration);
        Response.Output.Write("objds.CacheExpirationPolicy = {0}", _personObjectDataSource.CacheExpirationPolicy);
        Response.Output.Write("objds.SqlCacheDependency = {0}", _personObjectDataSource.SqlCacheDependency);
        Response.Output.Write("objds.Typename = {0}", _personObjectDataSource.TypeName);
        Response.Output.Write("objds.SelctMethod = {0}", _personObjectDataSource.SelectMethod);
    }
}
File: Person.cs
using System;
using System.Data;
using System.Collections.Generic;
using System.Collections;
using System.Configuration;
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 class Person
{
    private int _age;
    private string _name;
    private bool _isMarried;
    private DateTime _birthDay;
    public int Age
    {
        get { return _age; }
        set { _age = value; }
    }
    public string Name
    {
        get { return _name; }
        set { _name = value; }
    }
    public bool IsMarried
    {
        get { return _isMarried; }
        set { _isMarried = value; }
    }
    public DateTime BirthDay
    {
        get { return _birthDay; }
        set { _birthDay = value; }
    }
    public Person() { }
    public Person(int age, string name, bool isMarried, DateTime birthDay)
    {
        _age = age;
        _name = name;
        _isMarried = isMarried;
        _birthDay = birthDay;
    }
}
public static class SampleData
{
    public static ICollection GetPeople()
    {
        List ret = new List();
        for (int i = 0; i < 10; i++)
            ret.Add(new Person(i + 20, "Person " + i.ToString(), (i % 2) == 0, 
                               DateTime.Now.AddYears(i-40)));
        
        return ret;
    }
}