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POc# access dom javascript generated form
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  1. POc# access dom javascript generated form
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    copied!<p>am loading a webpage using the webbrowser control, in it there is a form that is generateb by javascript.</p> <p>when i tried to access th elements in c#, they cannot be found.</p> <p>the page renders well in a normal browser, but in my winforms app, the form elements are not rendered, i can only see the javascript that generated the form when dubugging</p> <p>a close solution i found on stack was to cast the <code>webbrowser.document.domdocument</code> to <code>ihtmldocument</code>, but i havent been successful with it,</p> <p>this is what am trying to do</p> <pre><code>Dim doc As HtmlDocument = DirectCast(wbMain.Document.DomDocument, MSH.IHTMLDocument) </code></pre> <p>but i get this warning</p> <blockquote> <p>Runtime errors might occur when converting 'mshtml.IHTMLDocument' to 'System.Windows.Forms.HtmlDocument'.</p> </blockquote> <p>and whe i ignore and run, i got this error</p> <blockquote> <p>Unable to cast COM object of type 'mshtml.HTMLDocumentClass' to class type 'System.Windows.Forms.HtmlDocument'. Instances of types that represent COM components cannot be cast to types that do not represent COM components; however they can be cast to interfaces as long as the underlying COM component supports QueryInterface calls for the IID of the interface.</p> </blockquote> <p>EDIT A sample javascript</p> <pre><code>&lt;SCRIPT type=text/javascript&gt; (function(){ function runElemGen() { var ElemGenForm = [{"label":"Email:","name":"ElemGen_email_field","oldName":"","value":"","ElemGen":"text"},{"label":"","name":"ElemGensubscribe","oldName":"","value":"Submit","ElemGen":"submit"}]; ElemGenBuildForm({makeDivs: true, arr:ElemGenForm, place:"ElemGen-email-form-"}); } if (window.addEventListener) { window.addEventListener("load", runElemGen, false); } else { window.attachEvent("onload", runElemGen); } })(); &lt;/SCRIPT&gt; </code></pre> <p>can anyone with a solution help</p>
 

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