VB.net clicking a submit button using Web Browser -

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i want click submit button of webpage displaying in web browser seems not work @ here code:

webbrowser1.document.forms(0).invokemember("image")

i basing on html code of button want click is:

<div class="buttonrow forward"> <input type="image" src="includes/templates/template_default/buttons/english/button_send.gif" alt="send now" title=" send "> </div>

did miss something? need help.

try setting property 

  webbrowser.allownavigation = true

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