//防止页面多次刷新页面执行

            if (num == 1)

            {

                string GetUserName = System.Configuration.ConfigurationSettings.AppSettings["Y2000UserName"].ToString();

                string GetUserPassword = System.Configuration.ConfigurationSettings.AppSettings["Y2000UserPassword"].ToString();

                int a = 1;

                int all = webBrowse东四饭店萨芬r1.Document.Body.All.Count;

                for (int i = 0; i < all; i++)

                {

                    HtmlElement GetElement = webBrowser1.Document.All[i];

                    //取到包含input标签的元素

                    if (GetElement.TagName.ToUpper().ToString() == "INPUT")

                    {

                        //根据input的Name属性，找到该元素并赋值：给用户名输入框赋值

                        if (GetElement.Name.ToString() == "UserName")

                        {

                            webBrowser1.Document.All[i].SetAttribute("value", GetUserName);

                        }
                       士大夫撒 上大夫大沙发 //根据input的Name属性，找到该元素并赋值：给密码输入框赋值

                        if (GetElement.Name.ToString() == "Passwd")

                        {

                            webBrowser1.Document.All[i].SetAttribute("value", GetUserPassword);

                        }1

                    //根据input的Name属性，找到提交按钮并执行动作

                    if (GetElement.Name.ToString() == "Submit")

                    {222222

                        //过滤点击页面中相同"name=Submit"的元素

                        if (a == 1)

                        {

                            webBrowser1.Document.All[i].InvokeMember("click");

                        }

                        a++;

                    }

                }

                num++;

            }