asp.net中的CheckBox控件的使用

CheckBox控件中的最重要属性就是checked属性了

下面就是使用checked属性的一个小应用;

先建立一个wed窗体;在窗体中写下这些代码:

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

<!DOCTYPE html>

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
    <title></title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
    <div id="div_chks" runat="server" style="border:1px solid red">
        <asp:CheckBox ID="CheckBox1" runat="server" text="看书"/>
        <asp:CheckBox ID="CheckBox2" runat="server" text="听音乐"/>
        <asp:CheckBox ID="CheckBox3" runat="server" text="学习"/>
        <asp:CheckBox ID="CheckBox4" runat="server" text="打篮球"/>
        <asp:CheckBox ID="CheckBox5" runat="server" text="打羽毛球"/>
        <asp:CheckBox ID="CheckBox6" runat="server" text="下棋"/>
        <br />
        <asp:Button ID="Button1" runat="server" Text="Button" OnClick="Button1_Click" />
        <asp:TextBox ID="TextBox1" runat="server" TextMode="MultiLine" Height="89px"></asp:TextBox>
    </div>
    </div>
    </form>
</body>
</html>

之后就可以设置事件属性了:

代码如下:

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)
    {

    }

    protected void Button1_Click(object sender, EventArgs e)
    {
        TextBox1.Text = "";
        CheckBox _ckb;
        foreach (Control ctl in div_chks.Controls)
        {
            
            if (ctl is CheckBox) {
                _ckb = (CheckBox)ctl;
                if (_ckb.Checked)
                {
                    TextBox1.Text += _ckb.Text + ",";
                }
            }
        }
    }
}

之后可以看看结果如何咯!!!

原文地址:https://www.cnblogs.com/nie5135257/p/9314891.html