using System;using System.Data;using System.Configuration;using System.Linq;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;using System.Xml.Linq;namespace test1
{
[Serializable] public class ItemInfo
{
// Internal member variables private string id; private string name; public ItemInfo() { } public ItemInfo(string id, string name) { this.id = id; this.name = name; 
} public string Id { get { return id; } } public string Name { get {return name;} } }
}<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="test1._Default" %><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml" ><head runat="server"> <title>Untitled Page</title></head><body> <form id="form1" runat="server"> <div> <asp:Repeater ID="Repeater1" runat="server"> <ItemTemplate> <table> <tr> <td><%#Eval("name") %></td> </tr> </table> </ItemTemplate> </asp:Repeater> </div> <asp:Button ID="Button1" runat="server" onclick="Button1_Click" Text="Button" /> </form></body></html>using System;using System.Data;using System.Configuration;using System.Collections;using System.Linq;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;using System.Xml.Linq;using System.Collections.Generic;namespace test1{ public partial class _Default : System.Web.UI.Page { static protected Dictionary<string,ItemInfo> items=new Dictionary<string,ItemInfo>(); public void Load_data() { for (int i=0;i<5;i++) { ItemInfo item=new ItemInfo (i.ToString (),"name"+i.ToString ()); items.Add (item.Id,item); } } public void Bind_Data() { this.Repeater1.DataSource = items.Values; this.Repeater1.DataBind(); } protected void Page_Load(object sender, EventArgs e) { if (!this.IsPostBack) { this.Load_data(); this.Bind_Data (); } } protected void Button1_Click(object sender, EventArgs e) { items .Remove ("3"); Bind_Data(); } }}using System;using System.Collections.Generic;using System.Collections;namespace test1{ public class Stack<T> : IEnumerable<T> { private T[] values = new T[100]; private int top = 0; public void Push(T t) { values[top++] = t; } public T Pop() { return values[--top]; } // These make Stack<T> implement IEnumerable<T> allowing // a stack to be used in a foreach statement. public IEnumerator<T> GetEnumerator() { for (int i = top; --i >= 0; ) { yield return values[i]; } } IEnumerator IEnumerable.GetEnumerator() { return GetEnumerator(); } // Iterate from top to bottom. public IEnumerable<T> TopToBottom { get { // Since we implement IEnumerable<T> // and the default iteration is top to bottom, // just return the object. return this; } } // Iterate from bottom to top. public IEnumerable<T> BottomToTop { get { for (int i = 0; i < top; i++) { yield return values[i]; } } } //A parameterized iterator that return n items from the top public IEnumerable<T> TopN(int n) { // in this example we return less than N if necessary int j = n >= top ? 0 : top - n; for (int i = top; --i >= j; ) { yield return values[i]; } } } }using System;using System.Data;using System.Configuration;using System.Collections;using System.Linq;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;using System.Xml.Linq;namespace test1{ public partial class WebForm1 : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { Stack<ItemInfo> s = new Stack<ItemInfo>(); for (int i = 0; i < 10; i++) { ItemInfo item = new ItemInfo(i.ToString(), "gw" + i.ToString()); s.Push(item); } this.GridView1 .DataSource=s; this.GridView1 .DataBind (); } protected void Button1_Click(object sender, EventArgs e) { Stack<ItemInfo> s = new Stack<ItemInfo>(); for (int i = 0; i < 10; i++) { ItemInfo item = new ItemInfo(i.ToString(), "gw" + i.ToString()); s.Push(item); } this.GridView1.DataSource = s.BottomToTop; this.GridView1.DataBind(); } }}<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm1.aspx.cs" Inherits="test1.WebForm1" %><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml" ><head runat="server"> <title>Untitled Page</title></head><body> <form id="form1" runat="server"> <div> <asp:GridView ID="GridView1" runat="server"> </asp:GridView> </div> <p> <asp:Button ID="Button1" runat="server" onclick="Button1_Click" Text="Button" /> </p> </form></body></html>