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POusing runat="server" gives Validation of viewstate MAC failed
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  1. POusing runat="server" gives Validation of viewstate MAC failed
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    copied!<p><strong>Javascript</strong></p> <pre><code>var form = document.getElementById('date_budget'); pop('', 'exp_upd', '95', '80'); form.action = "test.aspx"; form.target = 'exp_upd'; form.submit(); </code></pre> <p><strong>HTML</strong></p> <pre><code>&lt;form id="date_budget" name="date_budget" method="post"&gt; &lt;table&gt; &lt;tr&gt; &lt;!--#include file="zone.inc" --&gt; &lt;td id='mlodg_loc'&gt;&lt;select name="loc" id="loc"&gt; &lt;option value="Select Location"&gt;Select Location&lt;/option&gt; &lt;/select&gt;&lt;/td&gt; &lt;td&gt; &lt;select name="month" id="month"&gt; &lt;option value="1"&gt;1&lt;/option&gt; &lt;/select&gt; &lt;/td&gt; &lt;td&gt; &lt;select name="year" id="year"&gt; &lt;option value="2013"&gt;2013&lt;/option&gt; &lt;/select&gt; &lt;/td&gt; &lt;/tr&gt; &lt;/table&gt; &lt;/form&gt; </code></pre> <p>The above code opens a popup window, but when I change the html by adding the runat attribute, I am getting “Validation of viewstate MAC failed”, and some extra junk. the modified html is below</p> <pre><code>&lt;form id="date_budget" name="date_budget" method="post" runat="server"&gt; &lt;table&gt; &lt;tr&gt; &lt;!--#include file="zone.inc" --&gt; &lt;td id='mlodg_loc'&gt;&lt;select name="loc" id="loc" runat="server"&gt; &lt;option value="Select Location"&gt;Select Location&lt;/option&gt; &lt;/select&gt;&lt;/td&gt; &lt;td&gt; &lt;select name="month" id="month" runat="server"&gt; &lt;option value="1"&gt;1&lt;/option&gt; &lt;/select&gt; &lt;/td&gt; &lt;td&gt; &lt;select name="year" id="year" runat="server"&gt; &lt;option value="2013"&gt;2013&lt;/option&gt; &lt;/select&gt; &lt;/td&gt; &lt;/tr&gt; &lt;/table&gt; &lt;/form&gt; </code></pre> <p>Is there any workaround to use both the runat server and using the same element in JS, without using those asp tags something like <code>&lt;%= hidBT.ClientID %&gt;</code> I don't want that any other way.</p>
 

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