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POUpdatePanel does not fire on first click of link button
 

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    <p>I have an update panel on an .aspx page. Within this aspx page I have a few ascx controls. One of the controls has my link button. When that button is pressed I'd expect to get the results I intend to get, but I expect to not see a page flicker or see the page postback. It does both. After I change some search information and click the link button again the page does an async postback (which is what I expected on the first click). After running this sequence through fiddler I see that the first time I click the button I am missing some information that is included in all subsequent requests. </p> <p>ctl00$ScriptManager1=ctl00$cplContents$updatePanelOrderSearch|ctl00$cplContents$ucOrderSearchControl$btnRange&amp;<strong>EVENTTARGET=ctl00%24cplContents%24ucOrderSearchControl%24btnRange&amp;</strong>.....</p> <p>Above is what I get on clicks 2, 3, etc.. This is not in the request when I click on the link button the very first time. Im wondering if this is why I am get a full, non async postback the first time. </p> <p>Any help would be appreciated. My update panel code is below.</p> <pre><code>&lt;asp:UpdatePanel ID="updatePanelOrderSearch" runat="server" UpdateMode="Always" ChildrenAsTriggers="true"&gt; &lt;ContentTemplate&gt; &lt;uc:control1 "this control has the link button" /&gt; &lt;hr /&gt; &lt;div id="SearchResults"&gt; &lt;div id="SearchResultsMessage"&gt; &lt;asp:Literal ID="lblMessage" Text="No orders found" Visible="false" runat="server" /&gt; &lt;/div&gt; &lt;uc:contorl 2 /&gt; &lt;/div&gt; &lt;uc: control3 /&gt; &lt;/ContentTemplate&gt; &lt;/asp:UpdatePanel&gt; </code></pre> <p>Thanks</p>
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