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Old January 5th, 2006, 06:33 AM
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Default How to access ocx properties in asp.net

Hi Guys,

In my ASP.net application, I want to comunicate with DLL installed on client
machine and for that, I developed an ActiveX control in vb and incorporated
in my aspx page using Object tag.
this ActiveX control c
I am trying to access its properties by clicking on the button. I am doing
this in jscript function and calling the function on OnClick event of button,
but I am not getting any result nor I am getting any error

The object tag that I have defined is

    <OBJECT id="ucHWKey" style="Z-INDEX: 111; LEFT: 672px; POSITION: absolute;
TOP: 88px" classid="clsid:781D9F61-F7FA-49F6-BABC-6989022730BA"
                name="ctrHWKey" VIEWASTEXT>
        <PARAM NAME="_ExtentX" VALUE="8308">
        <PARAM NAME="_ExtentY" VALUE="688">
        <PARAM NAME="BackColor" VALUE="-2147483633">
        <PARAM NAME="ForeColor" VALUE="-2147483640">
        <PARAM NAME="Enabled" VALUE="-1">
        <PARAM NAME="BackStyle" VALUE="1">
        <PARAM NAME="BorderStyle" VALUE="0">

whereas the script function I wrote is,

    function CheckValidKey()
         if (document.getElementById)
        var oHK = document.getElementById("ucHWKey");
        window.alert ("Checking Property");
        if (oHK.IsValidKey)
            window.alert ("Valid Key");
            window.alert ("Invalid Key");

When I click on the button I get "Checking Property" alert, but not getting
any of the later alerts.

Am I doing anything wrong?
Please guide me how do I access properties of vb ActiveX control in my aspx page


Old April 17th, 2006, 12:56 AM
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I am looking for solution for the same problem. I want to access properties of an OCX control.. OUt of few properties, i am able to use but some of them are not at all accessible in Javascript where as they work perfectly in VB application.. i m kinda totally confused and stucked..

Did u get any work around or solution for this problem?


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