ASP.NET中 CheckBox(复选框)的使用

ylbtech-ASP.NET-Control-Basic:CheckBox(复选框)的使用

ASP.NET中 CheckBox(复选框)的使用。

1.A,运行效果返回顶部

CheckBox(复选框)

属性	值	作用
Checked	ture\|false	选中状态\|未选状态

请选择你喜欢的运动：篮球足球地瓜

你选择的爱好是：篮球,足球

1.B,源代码返回顶部

/CheckBox.aspx

View Code

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="CheckBox.aspx.cs" Inherits="WebControls_CheckBox" %>

<!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>
    <style type="text/css">
        .style1
        {
            width: 107px;
        }
    </style>
</head>
<body>
    <form id="form1" runat="server">
    <div>
    <h3>CheckBox(复选框)</h3>
        <table style="width: 100%;">
            <tr>
                <td class="style1">
                    &nbsp;
                    属性</td>
                <td>
                    值</td>
                <td>
                    作用</td>
            </tr>
            <tr>
                <td class="style1">
                    &nbsp;
                    Checked</td>
                <td>
                    &nbsp;
                    ture|false</td>
                <td>
                    &nbsp;选中状态|未选状态
                </td>
            </tr>
        </table>
        <hr />
        请选择你喜欢的运动：     
        <asp:CheckBox ID="chkSport" runat="server" Text="篮球" Checked="true" />
        <asp:CheckBox ID="chkSport2" runat="server" Text="足球" />
        <asp:CheckBox ID="chkSport3" runat="server" Text="地瓜" />
        <br />
        <asp:Button ID="btnSubmit" runat="server" Text="提交" onclick="btnSubmit_Click" />
        <hr />
        你选择的爱好是：<asp:Label ID="lblState" runat="server"></asp:Label>
    </div>
    </form>
</body>
</html>

/CheckBox.aspx.cs

View Code

using System;
using System.Collections.Generic;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;

public partial class WebControls_CheckBox : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {

    }
    protected void btnSubmit_Click(object sender, EventArgs e)
    {
        lblState.Text = string.Empty;
        if (chkSport.Checked)
        {
            lblState.Text = lblState.Text + chkSport.Text;
        }
        if (chkSport2.Checked)
        {
            if (lblState.Text.Length == 0)
            {
                lblState.Text =  chkSport2.Text;
            }
            else
            {
                lblState.Text = lblState.Text + "," + chkSport2.Text;
            }
        }
        if (chkSport3.Checked)
        {
            if (lblState.Text.Length == 0)
            {
                lblState.Text = chkSport2.Text;
            }
            else
            {
                lblState.Text = lblState.Text + "," + chkSport3.Text;
            }
        }
    }
}

1.C,资源下载返回顶部

https://files.cnblogs.com/ylbtech/WebForm-BasicControl-HTML.rar

作者：ylbtech
出处：http://ylbtech.cnblogs.com/
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posted on 2013-03-06 09:51 ylbtech 阅读(20154) 评论(0) 编辑收藏举报