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POIE9 sometimes switching to Document Mode: IE7 Standards
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  1. POIE9 sometimes switching to Document Mode: IE7 Standards
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    copied!<p>I imagine that this might be a quick and easy question for someone who's more familiar with IE browser modes. </p> <p>We have an intranet application window that's sometimes switching to 'Document Mode: IE7 Standards' (w/ Browser Mode: IE9) per the dev tools -- really relatively rarely, so it's hard to tell exactly what leads up to the issue. The result is that the form fields are all jumbled, the CSS/floats are skewed, the scripts don't work right, etc. Once the problem occurs, the only way to solve it is to completely close the browser and restart Internet Explorer.</p> <p>We finally found a user while they were experiencing the glitch, opened dev tools, and confirmed that the document mode had set itself to IE7 and changing that back to IE9 fixed everything. But still, once it has set itself to IE7, the only way to default it back to IE9 is to close out of the browser. Otherwise, if you just close the window but not the whole browser, it's back to IE7 each time you open the window.</p> <p>I don't know what could be causing this issue so intermittently. I thought it could be something to do with the Doctype? Can anybody offer any advice?</p> <pre><code>&lt;%@ Page Language="C#" AutoEventWireup="true" CodeBehind="AppScreen.aspx.cs" Inherits="Project.AppScreen" %&gt; &lt;%@ Register Assembly="AjaxControlToolkit" Namespace="AjaxControlToolkit" TagPrefix="asp" %&gt; &lt;!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"&gt; &lt;html xmlns="http://www.w3.org/1999/xhtml"&gt; &lt;head runat="server"&gt; &lt;link href="~/Styles/AppScreen.css" rel="Stylesheet" type="text/css" /&gt; &lt;script src="Scripts/jquery-1.4.1.js" type="text/javascript"&gt;&lt;/script&gt; &lt;title&gt;Title&lt;/title&gt; &lt;script type="text/javascript"&gt; //A couple other quickie scripts &lt;/script&gt; &lt;/head&gt; </code></pre>
 

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