<%@ Page language="c#" Codebehind="default.aspx.cs" AutoEventWireup="false" Inherits="_4cst._default" %>
<%@ Register TagPrefix="uc1" TagName="Banner" Src="Cotrols/Banner.ascx" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
<HTML>
<HEAD>
<title>default</title>
<meta name="GENERATOR" Content="Microsoft Visual Studio .NET 7.1">
<meta name="CODE_LANGUAGE" Content="C#">
<meta name="vs_defaultClientScript" content="JavaScript">
<meta name="vs_targetSchema" content="http://schemas.microsoft.com/intellisense/ie5">
</HEAD>
<body MS_POSITIONING="GridLayout">
<form id="Form1" method="post" runat="server">
<uc1:Banner id="Banner1" runat="server"></uc1:Banner>
</form>
</body>
</HTML>
<%@ Register TagPrefix="uc1" TagName="Banner" Src="Cotrols/Banner.ascx" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
<HTML>
<HEAD>
<title>default</title>
<meta name="GENERATOR" Content="Microsoft Visual Studio .NET 7.1">
<meta name="CODE_LANGUAGE" Content="C#">
<meta name="vs_defaultClientScript" content="JavaScript">
<meta name="vs_targetSchema" content="http://schemas.microsoft.com/intellisense/ie5">
</HEAD>
<body MS_POSITIONING="GridLayout">
<form id="Form1" method="post" runat="server">
<uc1:Banner id="Banner1" runat="server"></uc1:Banner>
</form>
</body>
</HTML>
<%@ Register TagPrefix="Trip" Tagname="HeadTest" Src="Head.ascx" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
<HTML>
<HEAD>
<title>MainForm</title> <! %@ Page language="c#" Codebehind="default.aspx.cs"
AutoEventWireup="false" Inherits="Trip.MainForm" % >
<meta content="Microsoft Visual Studio .NET 7.1" name="GENERATOR">
<meta content="C#" name="CODE_LANGUAGE">
<meta content="JavaScript" name="vs_defaultClientScript">
<meta content="http://schemas.microsoft.com/intellisense/ie5" name="vs_targetSchema">
</HEAD>
<body MS_POSITIONING="GridLayout">
<form id="MainForm" method="post" runat="server">
<FONT face="宋体">
<TRIP:HEADTEST id="MyHead" Runat="server"></TRIP:HEADTEST>
<TABLE id="Table1" cellSpacing="0" cellPadding="0" width="300" border="1">
<TR>
<TD colSpan="3"><asp:button id="Button2" runat="server" Text="OK"></asp:button><asp:button id="Button1" runat="server" Text="Button"></asp:button>
<asp:TextBox id="TextBox1" runat="server"></asp:TextBox></TD>
</TR>
<TR>
</TR>
</TABLE>
</FONT>
</form>
</body>
</HTML>default.aspx.csusing System;
using System.Collections;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.SessionState;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls;namespace Trip
{
/// <summary>
/// WebForm1 的摘要说明。
/// </summary>
public class MainForm : System.Web.UI.Page
{
protected System.Web.UI.WebControls.Button Button1;
protected System.Web.UI.WebControls.Button Button2;
protected System.Web.UI.WebControls.TextBox TextBox1;
Head MyHead;
private void Page_Load(object sender, System.EventArgs e)
{
// 在此处放置用户代码以初始化页面
} #region Web 窗体设计器生成的代码
override protected void OnInit(EventArgs e)
{
//
// CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。
//
InitializeComponent();
base.OnInit(e);
}
/// <summary>
/// 设计器支持所需的方法 - 不要使用代码编辑器修改
/// 此方法的内容。
/// </summary>
private void InitializeComponent()
{
this.Button2.Click += new System.EventHandler(this.Button2_Click);
this.Button1.Click += new System.EventHandler(this.Button1_Click);
this.Load += new System.EventHandler(this.Page_Load); }
#endregion private void Button1_Click(object sender, System.EventArgs e)
{
MyHead.Address = "当然在中国啦";
} private void Button2_Click(object sender, System.EventArgs e)
{
TextBox1.Text = MyHead.Address;
}
}
}Head.ascx<%@ Control Language="c#" AutoEventWireup="false" Codebehind="Head.ascx.cs" Inherits="Trip.Head" TargetSchema="http://schemas.microsoft.com/intellisense/ie5"%>
<FONT face="宋体"></FONT>
<asp:textbox id="edtName" runat="server"></asp:textbox>
<asp:Button id="Button1" runat="server" Text="Button"></asp:Button>Head.ascx.csnamespace Trip
{
using System;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls; /// <summary>
/// WebUserControl1 的摘要说明。
/// </summary>
public class Head : System.Web.UI.UserControl
{
protected System.Web.UI.WebControls.Button Button1;
protected System.Web.UI.WebControls.TextBox edtName; public string Address
{
get
{
return edtName.Text;
}
set
{
edtName.Text = value;
} }
private void Page_Load(object sender, System.EventArgs e)
{
// 在此处放置用户代码以初始化页面
} #region Web 窗体设计器生成的代码
override protected void OnInit(EventArgs e)
{
//
// CODEGEN: 该调用是 ASP.NET Web 窗体设计器所必需的。
//
InitializeComponent();
base.OnInit(e);
}
/// <summary>
/// 设计器支持所需的方法 - 不要使用代码编辑器
/// 修改此方法的内容。
/// </summary>
private void InitializeComponent()
{
this.Button1.Click += new System.EventHandler(this.Button1_Click);
this.Load += new System.EventHandler(this.Page_Load); }
#endregion private void Button1_Click(object sender, System.EventArgs e)
{
edtName.Text = "abcdefg";
}
}
}在default.aspx.cs中无法对MyHead进行赋值和取值。
容易创建 创建较难
运行时编译 预编译
每个应用程序需要空间的一个单独副本 仅在全局程序集缓存中需要控件的单个副本
可以直接写入html代码 html代码需要申明
不能添加到工具箱 可以添加到工具箱
适用于静态布局 适用于动态布局
部分可视化支持 完整的可视化支持
<%@ Register TagPrefix="Trip" Tagname="HeadTest" Src="Head.ascx" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
<HTML>
<script language="C#" runat="server">
void SetMyHead(Object sender, EventArgs E)
{
TextBox1.Text = MyHead.Address;
MyHead.Address = "kkk";
}
</script>
<HEAD>
<title>MainForm</title> <! %@ Page language="c#" Codebehind="default.aspx.cs"
AutoEventWireup="false" Inherits="Trip.MainForm" % >
<meta content="Microsoft Visual Studio .NET 7.1" name="GENERATOR">
<meta content="C#" name="CODE_LANGUAGE">
<meta content="JavaScript" name="vs_defaultClientScript">
<meta content="http://schemas.microsoft.com/intellisense/ie5" name="vs_targetSchema">
</HEAD>
<body MS_POSITIONING="GridLayout">
<form id="MainForm" method="post" runat="server">
<FONT face="宋体">
<TRIP:HEADTEST id="MyHead" Runat="server"></TRIP:HEADTEST>
<TABLE id="Table1" cellSpacing="0" cellPadding="0" width="300" border="1">
<TR>
<TD colSpan="3"><asp:button id="Button2" runat="server" Text="OK"></asp:button>
<asp:button id="Button1" OnClick="SetMyHead" runat="server" Text="Button"></asp:button>
<asp:TextBox id="TextBox1" runat="server"></asp:TextBox></TD>
</TR>
<TR>
</TR>
</TABLE>
</FONT>
</form>
</body>
</HTML>这样写,可以控制Head。而如果在.cs中,如何实现?光声明Head后调用是不行的啊。