using
System;&nbs
p;
using System.Collections.Generic;
using System.
componentModel;
using System.Linq;
using System.Text;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
//自定义web服务器button
namespace MyControls
{
[Default
PRo
PErty("Text")]
[ToolboxData("<{0}:MyButton runat=server></{0}:MyButton>")]
p
ublic class MyButton : WebControl,
IPOstBackEventHandler
{
[Bindable(true)]
[Category("Appearance")]
[DefaultValue("")]
[Localizable(true)]
public string Text
{
get
{
String s = (String)View
state["Text"];
return ((s
== null) &
#63; String.Empty : s);
}
set
{
ViewState["Text"] = value;
}
}
[DesignerSerializationVisibil
ITy(DesignerSerializationVisibility.Content)]//生成属性时,按属性内部内容生成(例如在此控件里面(Size-H
eight,Size_Width))
//[PersistenceMode(PersistenceMode.InnerProperty)]//以子标签的形式显示(例如<Size Width="" Height=""/>)
public Size Size
{
get
{
if (ViewState["Size"] == null) {
ViewState["Size"] = new Size();
}
return (Size)ViewState["Size"];
}
set
{
ViewState["Size"] = value;
}
}
//定义控件的标签形式
protected
override Ht
MLTextWriterTag TagKey
{
get
{
return HtmlTextWriterTag.Input;
}
}
//初始化
protected override void OnInit(Event
args e)
{
this.Style.Add("width", Size.Width + "px");
this.Style.Add("height", Size.Height + "px");
this.Attributes.Add("type", "submit"); //提交按钮
this.Attributes.Add("value",Text);
this.Attributes.Add("n
ame",this.
uniqueID);//回发事件必须有的一个属性
base.OnInit(e);
}
//打印当前控件的内容
protected override void RenderContents(HtmlTextWriter output)
{
//output.Write(Text);
}
public delegate void ClickHandle();
private object key=new object();
public event ClickHandle Click {
add {
this.Events.AddHandler(key,value);
}
remove {
this.Events.RemoveHandler(key, value);
}
}
//按钮的回发事件
public void R
aisePostBackEvent(string event
argument)
{
ClickHandle handle = (ClickHandle)base.Events[key];
if (handle != null) {
handle();
}
}
}
}
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %>
<%@ Register as
SEMbly="MyControls" namespace="MyControls" tagprefix="cc1" %>
<!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></title>
</head>
<body>
<form id="form1" runat="server">
<div>
<!--自定义服务器按钮控件-->
<cc1:MyButton ID="MyButto
n1" Size-Height="30" Size-Width="290" OnClick="
BTnSubmit" Text="我是一个单独的提交按钮(自定义服务器)" runat="server" />
</div>
</form>
</body>
</html>
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
public partial class _Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
}
//自定义服务器控件
protected void btnSubmit() {
Response.Write("我是自定义服务器控件的
点击事件");
}
}