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You can find a lot of debugging and deploying problems while developing applications in .NET and Visual Basic here. There are also some querying tips in SQL and typical source codes which might be useful shared here.

Object tag not recognized inside form tag

Problem: When developing a page in ASP.NET, an object tag (<object>) is not recognized when it is placed in an HTML form tag (<form>).

e.g.
<html>
<head>
   <script type="text/javascript" language="javascript">
    function readScript()
    {
        Card.Connect();
    }
   </script>
</head>


 <body color=white>
    <form name="frmRead" id="frmRead">
        <object id="Card" name="Card" classid="abcDll.dll#abcDll.Card" style="display:none" ></object>
        <input type=button value="Read Card" onClick="readScript();"></td>
    </form>
 </body>
</html>

Solution: Inside the <form> tag, <object> element is out of scope. Instead of directly calling the id of the object, get the id using javascript.
function readScript()
    {
        var cardObj = document.getElementById("Card");
        cardObj.Connect();
    }

Special thanks to StackOverFlow :D
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