错误 1 “getAttribute”方法没有采用“1”个参数的重载

Question

请问这个错误怎么解决
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using mshtml;namespace WindowsApplication1
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }        private void button1_Click(object sender, EventArgs e)
        {
            HTMLDocument doc = webBrowser1.Document.DomDocument as HTMLDocument;
            //getElementsByName,getElementById 这里也可以用这两个方法
            IHTMLElementCollection els = doc.getElementsByTagName("a");
            Point p = new Point();
            foreach (IHTMLElement em in els)
            {
                if ((em.getAttribute("href").ToString() == "javascript:fGoto()") && (em.innerText == "添加附件"))
                {
                    IHTMLElement pem = em;
                    //元素中间
                    p.X = em.offsetWidth / 2;
                    p.Y = em.offsetHeight / 2;
                    do
                    {
                        pem = pem.offsetParent;
                        p.X += pem.offsetLeft;
                        p.Y += pem.offsetTop;
                    } while (pem.tagName.ToLower() != "body");
                    em.scrollIntoView();//显示元素
                    break;
                }
            }        }
    }
}错误 1 “getAttribute”方法没有采用“1”个参数的重载 C:\Documents and Settings\Administrator\桌面\Test\WindowsApplication1\WindowsApplication1\Form1.cs 27 22 WindowsApplication1
错误 2 “scrollIntoView”方法没有采用“0”个参数的重载 C:\Documents and Settings\Administrator\桌面\Test\WindowsApplication1\WindowsApplication1\Form1.cs 39 21 WindowsApplication1

Answer 1

看看帮助getAttribute需要几个参数

Answer 2

doc.getElementsByTagName("a");doc.all.tags("A")试试

Answer 3

em.scrollIntoView(null);em.getAttribute("href",0)

Answer 4

/// <summary>
        /// 根据元素信息获取坐标
        /// </summary>
        /// <param name="Id">元素ID</param>
        /// <param name="TextStr">元素内容 格式: input|登 录</param>
        /// <returns></returns>
        public Rectangle GetElementPointByMess(out IHTMLElement2 TempYs,string IdStr = "", string TextStr = "")
        {
            int YsX = -1;
            if (BrowserH < 1)
            {
                BrowserH=Screen.PrimaryScreen.WorkingArea.Height - ((IHTMLElement2)Document.documentElement).clientHeight;
            }
            int YsY = BrowserH;
            int YsWith = -1;
            int YsHeight = -1;
            //int dsadsa = ((IHTMLElement2)Document.documentElement).clientHeight;
            TempYs = null;
            try
            {
                if (IdStr != "")
                {
                    IHTMLElement2 TempElement = ((IHTMLElement2)Document.getElementById(IdStr));
                    YsX = TempElement.getBoundingClientRect().left;
                    YsY += TempElement.getBoundingClientRect().top;
                    YsWith = TempElement.scrollWidth;
                    YsHeight = TempElement.scrollHeight;
                    TempYs = TempElement;
                }
                else if (TextStr != "")
                {
                    IHTMLElement2 TempElement = null;
                    foreach (IHTMLElement i in Document.getElementsByTagName(TextStr.Split('|')[0].Trim()))
                    {
                        if (i.innerText == TextStr.Split('|')[1])
                        {
                            TempElement = (IHTMLElement2)i;
                            break;
                        }
                    }
                    YsX = TempElement.getBoundingClientRect().left;
                    YsY += TempElement.getBoundingClientRect().top;
                    YsWith = TempElement.scrollWidth;
                    YsHeight = TempElement.scrollHeight;
                    TempYs = TempElement;
                }
            }
            catch 
            {
                return new Rectangle(-1, -1, -1, -1);
            }
            return new Rectangle(YsX, YsY, YsWith, YsHeight);
        }
        /// <summary>
        /// 元素操作
        /// </summary>
        /// <param name="ValueStr">值,当为"点击"则点击元素</param>
        /// <param name="Ys">元素</param>
        /// <returns></returns>
        public bool SetElement(string ValueStr, IHTMLElement2 Ys)
        {
            try
            {
                if (ValueStr != "点击")
                    ((IHTMLElement)Ys).setAttribute("value", ValueStr);
                else
                    ((IHTMLElement)Ys).click();
                return true;
            }
            catch { return false; }
        }我已经共享源码  
http://bbs.csdn.net/topics/390401995