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POAdding a handler to an object that calls a global javascript function
 

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  1. POAdding a handler to an object that calls a global javascript function
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    <p>I'm not sure I worded the question the best way possible so I'll show my code example.</p> <p>I have multiple pages that use the same javascript function. Instead of adding that function to every page, I added it to a .js and imported it in the site master. How can I add a handler to my objects that will call that function, the way I have it doesn't seem to be working.</p> <p>Edit: I found the problem to be in </p> <pre><code>document.getElementById('&lt;%= PostBackButton.ClientID %&gt;').click(); </code></pre> <p>The javascript function does get called correctly and the page does have a PostBackButton asp button, but the getelement is returning null.</p> <pre><code>//chart-ajaxDateSelection.js function dateSelectionChanged(sender, args) { selectedDate = sender.get_selectedDate(); document.getElementById('&lt;%= PostBackButton.ClientID %&gt;').click(); } function getSlide() { var i,x,y,ARRcookies=document.cookie.split(";"); for (i=0;i&lt;ARRcookies.length;i++) { x=ARRcookies[i].substr(0,ARRcookies[i].indexOf("=")); y=ARRcookies[i].substr(ARRcookies[i].indexOf("=")+1); x=x.replace(/^\s+|\s+$/g,""); if (x=="slide") { return y; } } } </code></pre> <p>My handler:</p> <pre><code>&lt;asp:TextBox ID="OverviewChartStartDateTextBox" runat="server"&gt;&lt;/asp:TextBox&gt; &lt;ajaxToolkit:CalendarExtender ID="OverviewChartStartCal" OnClientDateSelectionChanged="dateSelectionChanged" runat="server" TargetControlID="OverviewChartStartDateTextBox"&gt; &lt;/ajaxToolkit:CalendarExtender&gt; </code></pre> <p>As you can see, I'm trying to call the dateSelectionChanged method when the selected date is changed on the ajax calendar.</p>
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    1. COJust to check, if you place `dateSelectionChanged()` inside a `<script></script>` on the master page itself, does your code work then?
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      1. USJason Evans
    2. CONo, I in fact get a server error. I commented out the .js import and added the function in the site master.
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    3. COOK. Bascically I needed a baseline to work from, in other words, knwoing whether that JavaScript function works when it's directly on the master page. If it does not work in that scenario, then at least you know it's the function at fault, not that the ".js" file is not being included or something.
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