怎么判断webBrowser控件里加载的页面里checkbox表单默认勾选

Question

怎么判断webBrowser控件里加载的页面里checkbox表单默认勾选?<input type="checkbox" name="checkbox" value="0" checked="checked" onclick="switchEditor(this.checked?0:1)" />源码</a>怎么获得这个input的checked的值?

Answer 1

怎么获得这个input的checked的值?

Answer 2

怎么获得这个input的checked的值?

Answer 3

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;namespace WindowsFormsApplication16
{
    public partial class Form1 : Form
    {
        WebBrowser WB = new WebBrowser();
        
        public Form1()
        {
            InitializeComponent();            WB.Parent = this;
            WB.DocumentText = "<input type='checkbox' name='checkbox' value='0'"
                + "checked='true' onclick='switchEditor(this.checked?0:1)' />源码 </a>";
            WB.DocumentCompleted += new WebBrowserDocumentCompletedEventHandler(WB_DocumentCompleted); 
        }        void WB_DocumentCompleted(object sender, WebBrowserDocumentCompletedEventArgs e)
        {
            MessageBox.Show(WB.Document.All.GetElementsByName("checkbox")[0].GetAttribute("checked").ToString()); 
        }
    }
}

Answer 4

string s= webBrowser1.Document.ActiveElement.GetAttribute("checked");
webBrowser1.Document.All["checkbox"].GetAttribute("checked");