Access Clickonce from ASP.NET application

Discussion in 'ASP .Net' started by nick.althoff, Sep 18, 2006.

  1. nick.althoff

    nick.althoff Guest

    I'm developing an ASP.NET application where I'll need to be accessing
    some files on the client machine. I basically need to show information
    about files in a directory on the client machine in a datagrid. I was
    thinking that the best approach for this would be to write an ActiveX
    control, but I was wondering if anyone had any luck developing a click
    once application and accessing that from an ASP.NET page. The purpose
    of that would be to call into the click once application to aquire
    information about the file directory to display in the ASP.NET
    datagrid. Any suggestions? Thanks!
    nick.althoff, Sep 18, 2006
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  2. a standard click once (or .net based active/x control) will not have
    permission to do this. they will have to be installed locally, and have the
    user update the permissions, or trust your site.

    -- bruce (
    bruce barker \(\), Sep 18, 2006
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  3. Hi,

    To continue a little on Bruce's reply, even client-side JavaScript is
    able to access the client's file system *if the permissions are given*.
    That's the whole trick. You won't gain anything more by using ActiveX or

    See this demo writing files to the local disk using plain JavaScript:

    In normal scenario, accessing the file system is just not possible
    because of the security sandbox.

    Laurent Bugnion, Sep 18, 2006
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