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Thread: Javascript alert() function

  1. Sep 27th, 2002, 01:29 PM #1
    EyeTalion
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    Javascript alert() function

    can you use a Javascript alert() function when using a web form control?
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  2. Sep 27th, 2002, 04:58 PM #2
    Patoooey
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    Re: Javascript alert() function

    Originally posted by EyeTalion
    can you use a Javascript alert() function when using a web form control?
    <asp:HyperLink id="HyperLink1" runat="server" NavigateUrl='javascript:alert("test");'>HyperLink</asp:HyperLink>


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  3. Sep 27th, 2002, 05:54 PM #3
    trojjer
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    Hold up!

    That would work fine - just make sure that you type "javascript:", and not "java script" - the space would not be valid, I think.
    Last edited by trojjer; Sep 27th, 2002 at 05:58 PM.
    <% Session("OwNeD")=True %><html><body>Blah... <%="Now get your ass back to the twilight zone..."%></body></html>
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  4. Sep 27th, 2002, 05:59 PM #4
    trojjer
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    Huh?!

    Why is "javascript" appearing with an extra space, in that post? I've edited it again, but it still sticks to "java script", even when there's absolutely no space in between...
    <% Session("OwNeD")=True %><html><body>Blah... <%="Now get your ass back to the twilight zone..."%></body></html>
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  6. Sep 28th, 2002, 10:47 AM #5
    Cander
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    The forum software does that so that people cant try to stick malicious javascript into forum posts.
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  7. Sep 28th, 2002, 07:50 PM #6
    trojjer
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    Oh I see...

    I think I know what you mean now - like a sneaky javascript URL or something?

    P.S: Ah - so it only insterts the space if the "javascript" is in quotes... got it.

    P.P.S: I wonder if single quotes catch it out or not... testing: 'javascript'...

    P.P.P.S: No - that doesn't get filtered through - very weird... must only happen occasionally; ie it's not 100% js exploit-proof?
    Last edited by trojjer; Sep 28th, 2002 at 07:55 PM.
    <% Session("OwNeD")=True %><html><body>Blah... <%="Now get your ass back to the twilight zone..."%></body></html>
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  8. Sep 30th, 2002, 07:09 AM #7
    EyeTalion
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    thanks guys...one more question. How do you create a msgbox in ASP.NET if you are coding in the VB code behind page? I'm doing some validations on a click event...
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  9. Sep 30th, 2002, 09:31 AM #8
    trojjer
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    Client permissions only...

    Erm - the MsgBox function can only execute on the clientside, obviously... I don't know about ASP.NET tags, but I usually just Response.Write the client VBS code, after processing it on the serverside.
    <% Session("OwNeD")=True %><html><body>Blah... <%="Now get your ass back to the twilight zone..."%></body></html>
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