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How to pass the SelectedValue in html.Dropdownlist MVC?

how to pass an argument to html doc

  • I have a html page that automatically logs on to a document repository. I need to pass to the html the url of the document to be viewed. I can edit the html and set the document to be viewed, but I need it to dynamically open any document that I call the html page with. Currently the shortcut property is set to just the full path to the html document. And the html document has a line in it which says: name="p_requested_url" value="url of document to launch is here"> <input type="hidden". (where "url of document to launch is here" is the actual url of the document) So my question is how to tell the html page which document I want to open by passing the value on the command line as an argument, rather than inputting it or hardcoding it in the html file.

  • Answer:

    Hi Julietott, You can accomplish what you're trying to do with a little javascript. Here is a framework for a document that does what you want: <html> <head> <script language="JavaScript" type="text/javascript"> <!-- var urltext = document.location.href; if (urltext.indexOf('?') != -1) targeturl = urltext.substring((urltext.indexOf('?')+1),urltext.length); else targeturl = document.location.href; // defaults to current page if no parameter is passed function init(){ document.forms[0].p_requested_url.value = targeturl; } //--> </script> </head> <body onload="init()"> <form> <input type="hidden" name="p_requested_url" value=""> </form> </body> </html> To integrate this with your page, you just need to copy the javascript portion into your document's head tags, and insert the onload event handler into your body tag. The value in the hidden input field will be overwritten when the page loads, so it can be left blank or set to some default page URL. Now, to call the page. If this page were located at: ://www.google.com/test.html then you could pass the URL of your choice through the URL like so: ://www.google.com/test.html?http://www.blahblahblah.com Basically what happens is that the javascript takes a look at the URL of the page, and picks up that there is a querystring attached to the end of it. It then strips off the querystring and stores it in a variable. Then when the page (and more importantly, your form with the hidden field) loads, the init function is called which sets the value of your hidden field to the stored value. Cheers, Prophet

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