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POAsp.net button click event handler in update panel executes twice when enter with jquery
 

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  1. POAsp.net button click event handler in update panel executes twice when enter with jquery
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    <p>I have this on my page</p> <pre><code>&lt;asp:TextBox Text="" ID="txtEmailOApodo" MaxLength="70" runat="server" Width="250px" Style="height: 25px"&gt;&lt;/asp:TextBox&gt; &lt;asp:TextBox Text="" ID="txtContrasena" MaxLength="50" TextMode="Password" runat="server" CssClass="textoLightbox"&gt;&lt;/asp:TextBox&gt; &lt;div style="margin-top: 20px"&gt; &lt;asp:UpdatePanel runat="server" ID="updPanelLoginIncorrecto"&gt; &lt;ContentTemplate&gt; &lt;asp:CustomValidator ForeColor="Red" OnServerValidate="usuarioExistente_Validation" Display="Static" Font-Size="Small" runat="server" ID="vldLogin" Text="&lt;%$ Resources:LocalizedText, MsjError_LoginIncorrecto%&gt;"&gt; &lt;/asp:CustomValidator&gt; &lt;/ContentTemplate&gt; &lt;Triggers&gt; &lt;asp:AsyncPostBackTrigger ControlID="btnLoginLightbox" EventName="Click" /&gt; &lt;/Triggers&gt; &lt;/asp:UpdatePanel&gt; &lt;/div&gt; &lt;div class="tableContent" style="float: right;"&gt; &lt;asp:Button CssClass="button" ID="btnLoginLightbox" Text="Login" runat="server" OnClick="btnLoginUserControl_Click" /&gt; &lt;/div&gt; &lt;script type="text/javascript" language="javascript"&gt; $(document).ready(function () { $("#&lt;%=txtContrasena.ClientID%&gt;").keyup(function (event) { if (event.keyCode == 13) { $("#&lt;%=btnLoginLightbox.ClientID%&gt;").click(); } }); $("#&lt;%=txtEmailOApodo.ClientID%&gt;").keyup(function (event) { if (event.keyCode == 13) { $("#&lt;%=btnLoginLightbox.ClientID%&gt;").click(); } }); }); &lt;/script&gt; </code></pre> <p>In the code behind i have </p> <pre><code> protected void btnLoginUserControl_Click(object sender, EventArgs e) { //Some code.... } </code></pre> <p>I dont know why the btnLoginUserControl_Click executes twice when i have focus on either txtContrasena or txtEmailOApodo and press the enter key.</p>
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    1. USelvainch
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    1. COi tried adding event.preventDefault or return false; none worked :(
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      1. USelvainch
    2. COthe keyup function is exectuing twice. I replaced the click() with an alert and the alert shows twice
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      1. USelvainch
 

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