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一个简单的ASP.NET用户控件示例

编辑:dnawo 日期:2008-04-16

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1.控件代码

WebUserControl.ascx:
复制内容到剪贴板程序代码 程序代码
<%@ Control Language="C#" AutoEventWireup="true" CodeFile="WebUserControl.ascx.cs" Inherits="WebUserControl" %>
<asp:Label ID="Label1" runat="server" Height="20px" Width="226px"></asp:Label>

WebUserControl.ascx.cs:
复制内容到剪贴板程序代码 程序代码
using System;
using System.Data;
using System.Configuration;
using System.Collections;
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;

public partial class WebUserControl : System.Web.UI.UserControl
{
    public void jiafa(int a, int b)
    {
        Label1.Text = "和:" + Convert.ToString(a + b);

    }
    public void jianfa(int a, int b)
    {
        Label1.Text = "差:" + Convert.ToString(a - b);
    }
}

2.调用控件

Default.aspx:
复制内容到剪贴板程序代码 程序代码
<%@ Page Language="C#" AutoEventWireup="true"  CodeFile="Default.aspx.cs" Inherits="_Default" %>

<%@ Register Src="WebUserControl.ascx" TagName="WebUserControl" TagPrefix="uc1" %>

<!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>用户控件-Mzwu.Com</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
        <asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>+
        <asp:TextBox ID="TextBox2" runat="server"></asp:TextBox>
        <asp:Button ID="Button1" runat="server" OnClick="Button1_Click" Text="相加" /><br />
        <asp:TextBox ID="TextBox3" runat="server"></asp:TextBox>  -<asp:TextBox ID="TextBox4"
            runat="server"></asp:TextBox>
        <asp:Button ID="Button2" runat="server" Text="相减" OnClick="Button2_Click" />
        <br />
        <uc1:WebUserControl id="WebUserControl1" runat="server">
        </uc1:WebUserControl></div>
    </form>
</body>
</html>

Default.aspx.cs:
复制内容到剪贴板程序代码 程序代码
using System;
using System.Data;
using System.Data.SqlClient;
using System.Configuration;
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;


public partial class _Default : System.Web.UI.Page
{
    protected void Button1_Click(object sender, EventArgs e)
    {
        WebUserControl1.jiafa(Convert.ToInt16(TextBox1.Text), Convert.ToInt16(TextBox2.Text));
    }
    protected void Button2_Click(object sender, EventArgs e)
    {
        WebUserControl1.jianfa(Convert.ToInt16(TextBox3.Text), Convert.ToInt16(TextBox4.Text));
    }
}


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