C# Web与泛型栈实现-优快云博客

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">

<title>Untitled Page</title>

</head>

<body>

<div>

<asp:Repeater ID="Repeater1" runat="server">

<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">

<title>Untitled Page</title>

</head>

<body>

<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>

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