点击WebBrowser控件内的HTML链接 [英] Click an HTML link inside a WebBrowser Control

问题描述

C＃的Visual Studio 2010

C# Visual Studio 2010

我加载一个复杂的HTML页面到WebBrowser控件。但是，我没有修改网页的能力。我想从Windows窗体自动点击网页上的链接。但是，该ID出现在每个页面加载时间是随机产生的（所以我认为引用该ID将无法正常工作）。

I am loading a complex html page into a webbrowser control. But, I don't have the ability to modify the webpage. I want to click a link on the page automatically from the windows form. But, the ID appears to be randomly generated each time the page is loaded (so I believe referencing the ID will not work).

这是在href链接的内容：

This is the content of the a href link:

<a 

ID =u_lp_id_58547
HREF =JavaScript的：无效（0）
类=SGLeftPanelText的onclick =setStoreParams（'案件; 212'，212）; window.leftpanel.onClick（'cases_ss_733'）;返回false;＆GT;

My Assigned</a>

时点击从C＃的链接呢？

Is the anyway to click the link from C#?

谢谢！

更新：

我觉得这是接近，但它只是不工作：

I feel like this is close but it is just not working:

HtmlElementCollection links = helpdeskWebBrowser.Document.Window.Frames["main_pending_events_frame"].Document.GetElementsByTagName("a");
MessageBox.Show(links.Count.ToString());

我曾尝试在每一帧中插入名称和标记名现场试用过A和A，但只是还没有任何运气。我可以没有发现任何链接;消息框始终为0。我缺少什么？

I have tried plugging in every single frame name and tried both "a" and "A" in the TagName field but just have not had any luck. I can just not find any links; the message box is always 0. What am I missing?

推荐答案

这样的事情应该工作：

HtmlElement link = webBrowser.Document.GetElementByID("u_lp_id_58547")
link.InvokeMember("Click")

编辑：

由于ID是随机生成的，另一个选择可能是通过识别链接的的InnerText ;沿着这些路线。

Since the IDs are generated randomly, another option may be to identify the links by their InnerText; along these lines.

HtmlElementCollection links = webBrowser.Document.GetElementsByTagName("A");

foreach (HtmlElement link in links)
{
    if (link.InnerText.Equals("My Assigned"))
        link.InvokeMember("Click");
}

更新：

您可以用得到的IFrame内的链接：

You can get the links within an IFrame using:

webBrowser.Document.Window.Frames["MyIFrame"].Document.GetElementsByTagName("A");

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