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VB.NET Webbrowser Click Submit Button.

Posted on 2012-03-13
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Last Modified: 2012-03-13
Hi there, I would like to know how to click submit button on the HTML form in a webbrowser control.

HTML FORM:

<form method="POST" action="login.php">
					<table border="0" cellpadding="4" cellspacing="1" class="w12">
						<tr>
							<td>Login:</td>
							<td>
								<input type="text" name="username" class="b12">
							</td>
						</tr>
						<tr>
							<td>Password:</td>
							<td>
								<input type="password" name="password" class="b12">
							</td>
						</tr>
						<tr>
							<td colspan="2" align="right">
								<input type="submit" value="Login">
							</td>
						</tr>
					</table>
				</form>

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PS: I have no access to the page, so I cannot change the source code, it has to work with the one above.

Thanks
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Question by:mropenmind
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2 Comments
 
LVL 38

Accepted Solution

by:
PaulHews earned 2000 total points
ID: 37715059
You should be able to find the element by it's type and then use InvokeMember for the click:
For Each b As HtmlElement In WebBrowser1.Document.GetElementsByTagName("input")
    If b.GetAttribute("type") = "submit" Then
        b.InvokeMember("click")
    End If
Next

Open in new window


Note that if there are multiple forms with more than one submit, this would cause problems, in which case you can use a similar trick on the form itself (this is probably the better solution):

For Each b As HtmlElement In WebBrowser1.Document.GetElementsByTagName("form")
    If b.GetAttribute("action") = "login.php" Then
        b.InvokeMember("submit")
    End If
Next

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0
 

Author Comment

by:mropenmind
ID: 37715126
Works like this:

WebBrowser1.Document.Forms(0).InvokeMember("submit")

but thanks
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