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    <p>You're probably using <a href="http://api.dartlang.org/docs/releases/latest/dart_html/Element.html#innerHtml=" rel="nofollow">Element.innerHtml</a>. You should use <a href="http://api.dartlang.org/docs/releases/latest/dart_html/Element.html#setInnerHtml" rel="nofollow">Element.setInnerHtml</a> instead.</p> <p>As you can see with the parameters of this new method, the HTML code is now validated and filtered. To restore the old behavior, you must provide a validator or a tree sanitizer allowing all attributes.</p> <p>To explicitly allow "data" on anchors and buttons:</p> <pre class="lang-dart prettyprint-override"><code>// Call NodeValidatorBuilder.allowX() methods to customize the validator. final NodeValidatorBuilder _htmlValidator=new NodeValidatorBuilder.common() ..allowElement('a', attributes: ['data-target', 'data-toggle']) ..allowElement('button', attributes: ['data-target', 'data-toggle']); query('#anElement').setInnerHtml('a content', validator: _htmlValidator); </code></pre> <p><code>Element</code> and <code>CustomElement</code> classes use HTML sanitization in several places (<code>Element.html</code> factory, <code>innerHtml</code> property, <code>createFragment</code> method...).</p> <p>Even if you don't use these methods directly in your own code, they're called by the underlying Dart libraries (<code>CustomElement</code> class was created for <code>Polymer</code> library but is also used by latest releases of <code>Web UI</code> library).</p> <p>For the moment, there is NO way to globally disable or customize the default sanitization rules. So I guess you'll have to deal with <code>setInnerHtml</code> calls... or wait for another SDK release to fix the issue ("data-" attributes are valid HTML5 code, but the default sanitization filter doesn't allow them as well as inline styles: why these attributes are considered insecure?).</p> <p>Note: you should consider <a href="https://www.dartlang.org/polymer-dart/upgrading-to-polymer-from-web-ui.html" rel="nofollow">switching from Web UI to Polymer</a>, as <a href="https://www.dartlang.org/articles/web-ui/" rel="nofollow">Web UI is now deprecated</a>.</p>
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    1. USGünter Zöchbauer
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    1. COCedX, thanks for your response but I haven't use Element.innerHtml. I placed all codes within <element><template> in .html. Should I replace all waring parts by using Element.setInnerHtml?
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      1. USRoger Chan
 

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Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

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