How do you click a button in a webbrowser control?

Question

For example, using code and no user input, how would I have my program click the \"Search\" button on google (assuming I\'ve already filled in the search box and am at googl

Answer 1

webBrowser1.Navigate("http://www.google.com");

If you have an ID use this:

webBrowser1.Document.GetElementById("id").InvokeMember("click");

If you have TagName use this

 webBrowser1.Navigate("http://www.google.com");

In Web Browser DocumentCompleted event

HtmlElement textElement = webBrowser1.Document.All.GetElementsByName("q")[0];
textElement.SetAttribute("value", "your text to search");
HtmlElement btnElement = webBrowser1.Document.All.GetElementsByName("btnG")[0];
btnElement.InvokeMember("click");

If you have name Class use this:

HtmlElementCollection classButton = webBrowser1.Document.All;
foreach (HtmlElement element in classButton) 
{
    if (element.GetAttribute("className") == "button")
    {
        element.InvokeMember("click");
    }
}

For adding text in a TextBox to search google.com, use this:

 webBrowser1.Document.GetElementById("gs_tti0").InnerText = "hello world";

Answer 2

In addition to using InvokeMember and others, if your web page has issues responding when called by ID or Class, you can try using {TAB} & {ENTER} using the SendKeys class within .NET. I've written a lot of scripts for web pages and have found that I've had to use a combination of both (even though SendKeys is far messier than the methods in @AleWin's answer).

Here is the link to the SendKeys class.

Answer 3

Try the following code:

public WebBrowser webBrowser1 = new WebBrowser();
    private void WebForm_Load(object sender, EventArgs e)
        {
            try
            {
                webBrowser1.Height = 1000;
                webBrowser1.Width = 1000;
                this.Controls.Add(webBrowser1);
                webBrowser1.DocumentCompleted += new WebBrowserDocumentCompletedEventHandler(WebBrowser_DocumentCompleted);
                this.webBrowser1.Navigate("www.google.com.au");
            }
            catch
            { }

Write down the following function in your c# form:

public void WebBrowser_DocumentCompleted(object sender, WebBrowserDocumentCompletedEventArgs e)
    {
        var webBrowser = sender as WebBrowser;
        webBrowser.DocumentCompleted -= WebBrowser_DocumentCompleted;

        HtmlElement textElement = webBrowser.Document.All.GetElementsByName("q")[0];
        textElement.SetAttribute("value", "mlm company");
        HtmlElement btnElement = webBrowser.Document.All.GetElementsByName("btnG")[0];
        btnElement.InvokeMember("click");


    }