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POHow do I interrupt an ASP.NET button postback with BlockUI and Jquery
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  1. POHow do I interrupt an ASP.NET button postback with BlockUI and Jquery
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    copied!<p>I have an ASP.NET page with a number of ASP:Button instances on it. For some, I need to show a confirmation prompt and, should the user choose yes, the original postback method is called. Otherwise, the overall process is cancelled.</p> <p>I've got an example running but I get inconsistent results, mainly in FF3 where I get an exception thrown:</p> <pre><code>[Exception... "Illegal operation on WrappedNative prototype object" nsresult: "0x8057000c (NS_ERROR_XPC_BAD_OP_ON_WN_PROTO)" location: "JS frame :: </code></pre> <p>I've looked this error up but I'm drawing a loss as to where I'm going wrong. Here's my example case. Note, for now I'm just using the css class as a lookup. Longer term I can embed the clientID of the control into my JS if it proves necessary :).</p> <p>Html fragment:</p> <pre><code>&lt;asp:Button ID="StartButton" runat="server" CssClass="startbutton" Text="Start" OnClick="OnStartClicked" /&gt; </code></pre> <p>Javascript:</p> <pre><code>$(".startbutton").each(function(){ $(document).data("startclick", $(this).get()[0].click); $(this).unbind("click"); }).click(function(){ var oldclick = $(document).data("startclick"); alert("hello"); try { oldclick(); } catch(err) { alert(err); alert(err.description); } return false; }); </code></pre> <p>My code behind is relatively simple, the OnStart method simply executes a Response.Write</p> <p>I've only just started looking into bind, unbind and trigger so my usage here is pretty much 'first time'.</p> <p>Thanks for any help or advice.</p> <p>S</p> <p>EDIT:</p> <p>This describes what I'm trying to do and also gives a run down of the kind of pitfalls:</p> <p><a href="http://www.nabble.com/onClick-prepend-td15194791s27240.html" rel="nofollow noreferrer">http://www.nabble.com/onClick-prepend-td15194791s27240.html</a></p>
 

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