I want to write a VB.NET 2008 program to look at pages on the internet and retrieve information from these pages. I am breaking this into small steps, so that I can learn what to do.
Please can you give me guidance on my first two steps:
1. Navigate to a nominated page (whose address I will key in) and retrieve the source of the page, so that I search for a specific text string (e.g, "locomotive").
2. Navigate to a nominated page, thensimulate entering text into a specific field and then pressing a key or button.
Thanks
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The following line will also modify the search text box contents on the same page:
WebBrowser1.Document.GetEl
Note that index 1 is used, thus referring to second input tag in the document, as there is a hidden input placed before the search box (see HTML source of the page).
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Nayer Naguib
Business Accounts
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by: nayernaguibPosted on 2008-03-24 at 02:41:49ID: 21192591
You can use the WebBrowser component as follows:
1. The following line will retrieve a page from the internet:
WebBrowser1.Url = New Uri("http://www.google.com
2. The following line will show a message containing the HTML source of the document:
MessageBox.Show(WebBrowser
The DocumentText property is of type String, and therefore, the document source can be manipulated using string manipulation functions.
3. The following line will set the value of the Google search box. In this example you need to be aware in advance of the HTML ID of the component:
WebBrowser1.Document.GetEl
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Nayer Naguib