◎◎◎◎◎◎◎◎◎◎◎◎超简单狂送分100，用户控件的简单问题！◎◎◎◎◎◎◎◎◎◎

制作一个用户控件，两个按钮btn1,btn2,将他们的点击事件公开（aspx文件中可以单独编写他们的事件，给出编写的方法），以属性的方式公开两个日期（起，止），（aspx中可以调用他们，给出调用方法）

解决方案 »

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用户控件ascx
<%@ Control Language="c#" AutoEventWireup="false" Codebehind="mytest.ascx.cs" Inherits="testuser.mytest" TargetSchema="http://schemas.microsoft.com/intellisense/ie5"%>
<asp:Button id="Button1" Text="Button" runat="server"></asp:Button>
<asp:Button id="Button2" Text="Button" runat="server"></asp:Button>
用户控件的后台代码：Mytest.ascx.cs
namespace testuser
{
using System;
using System.Data;
using System.Drawing;
using System.Web;
using System.Web.UI.WebControls;
using System.Web.UI.HtmlControls; /// <summary>
/// mytest 的摘要说明。
/// </summary>
public class mytest : System.Web.UI.UserControl
{
public delegate void Bu1ClickHandler( object sender ,System.EventArgs e );
public delegate void  Bu2ClickHandler( object sender , System.EventArgs e );
public event Bu1ClickHandler bu1click;
public event Bu2ClickHandler bu2click;
protected System.Web.UI.WebControls.Button Button1;
protected System.Web.UI.WebControls.Button Button2; 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.Button2.Click += new System.EventHandler(this.Button2_Click);
this.Load += new System.EventHandler(this.Page_Load); }
#endregion private void Button1_Click(object sender, System.EventArgs e)
{
if( this.bu1click != null )
bu1click( sender , e );
} private void Button2_Click(object sender, System.EventArgs e)
{
if( this.bu2click != null )
{
bu2click( sender ,e );
}

}
public DateTime StartDate{
get{
if( ViewState["sd"] == null )
return DateTime.Now;
else
return (DateTime)ViewState["sd"];
}
set{
ViewState["sd"] = value;
}
}
public DateTime EndDate
{
get{
if( ViewState["ed"] == null )
return DateTime.Now;
else
return (DateTime)ViewState["ed"];
}
set
{
ViewState["ed"] = value;
}
}
}
}
引用控件的页面
<%@ Register TagPrefix="uc1" TagName="mytest" Src="mytest.ascx" %>
<%@ Page language="c#" Codebehind="WebForm1.aspx.cs" AutoEventWireup="false" Inherits="testuser.WebForm1" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
<HTML>
<HEAD>
<title>WebForm1</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:mytest id="Mytest1" runat="server"></uc1:mytest>
<asp:TextBox id="TextBox1" style="Z-INDEX: 101; LEFT: 200px; POSITION: absolute; TOP: 48px" runat="server"></asp:TextBox>
<asp:TextBox id="TextBox2" style="Z-INDEX: 102; LEFT: 200px; POSITION: absolute; TOP: 96px" runat="server"></asp:TextBox>
<asp:Button id="Button1" style="Z-INDEX: 103; LEFT: 376px; POSITION: absolute; TOP: 48px" runat="server"
Text="设定起始时间"></asp:Button>
<asp:Button id="Button2" style="Z-INDEX: 104; LEFT: 384px; POSITION: absolute; TOP: 96px" runat="server"
Text="设定结束时间"></asp:Button>
<asp:Button id="Button3" style="Z-INDEX: 105; LEFT: 288px; POSITION: absolute; TOP: 192px" runat="server"
Text="显示起始时间"></asp:Button>
<asp:Button id="Button4" style="Z-INDEX: 106; LEFT: 288px; POSITION: absolute; TOP: 160px" runat="server"
Text="显示结束时间"></asp:Button>
<asp:Label id="Label1" style="Z-INDEX: 107; LEFT: 176px; POSITION: absolute; TOP: 184px" runat="server">Label</asp:Label>
</form>
</body>
</HTML>
页面后台
using 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 testuser
{
/// <summary>
/// WebForm1 的摘要说明。
/// </summary>
public class WebForm1 : System.Web.UI.Page
{
protected mytest Mytest1;
protected System.Web.UI.WebControls.TextBox TextBox1;
protected System.Web.UI.WebControls.TextBox TextBox2;
protected System.Web.UI.WebControls.Button Button1;
protected System.Web.UI.WebControls.Button Button3;
protected System.Web.UI.WebControls.Button Button4;
protected System.Web.UI.WebControls.Label Label1;
protected System.Web.UI.WebControls.Button Button2;

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()
{
Mytest1.bu1click += new testuser.mytest.Bu1ClickHandler(Mytest1_bu1click);
Mytest1.bu2click += new testuser.mytest.Bu2ClickHandler(Mytest1_bu2click);
this.Button1.Click += new System.EventHandler(this.Button1_Click);
this.Button2.Click += new System.EventHandler(this.Button2_Click);
this.Button3.Click += new System.EventHandler(this.Button3_Click);
this.Button4.Click += new System.EventHandler(this.Button4_Click);
this.Load += new System.EventHandler(this.Page_Load); }
#endregion
protected void Mytest1_bu1click( object sender , System.EventArgs e )
{
Response.Write("bu1 click");
}
protected void Mytest1_bu2click( object sender , System.EventArgs e )
{
Response.Write("bu2 click");
} private void Button1_Click(object sender, System.EventArgs e)
{
try{
Mytest1.StartDate = Convert.ToDateTime( this.TextBox1.Text );
}
catch( Exception ex )
{
Response.Write("格式不对");
}
} private void Button2_Click(object sender, System.EventArgs e)
{
try
{
Mytest1.EndDate = Convert.ToDateTime( this.TextBox2.Text );
}
catch( Exception ex )
{
Response.Write("格式不对");
}
} private void Button4_Click(object sender, System.EventArgs e)
{
   this.Label1.Text = Mytest1.EndDate.ToString(); } private void Button3_Click(object sender, System.EventArgs e)
{
this.Label1.Text = Mytest1.StartDate.ToString();
}
}
}
这样要求还是用JavaScript写更加方便。