<ul class="contains-task-list">
<li class="task-list-item"><input type="checkbox" id="" disabled="" class="task-list-item-checkbox" checked=""> I have searched the <a href="https://github.com/mui-org/material-ui/issues">issues</a> of this repository and believe that this is not a duplicate.</li>
</ul>
<h2 dir="auto">Expected Behavior</h2>

<p dir="auto">Mark TextField as an error state when form validation fail</p>
<h2 dir="auto">Current Behavior</h2>

<p dir="auto">Do nothing when in an error state</p>
<h2 dir="auto">Steps to Reproduce</h2>

<p dir="auto"><a href="https://codesandbox.io/s/qk17pp2vlq" rel="nofollow">https://codesandbox.io/s/qk17pp2vlq</a><br>
<a target="_blank" rel="noopener noreferrer nofollow" href="https://user-images.githubusercontent.com/55114/33529430-fc30c6a2-d857-11e7-9791-fb6868c6eff8.png"><img src="https://user-images.githubusercontent.com/55114/33529430-fc30c6a2-d857-11e7-9791-fb6868c6eff8.png" alt="image" style="max-width: 100%;"></a><br>
<a href="https://codesandbox.io/s/qk17pp2vlq" rel="nofollow"><img src="https://camo.githubusercontent.com/90808661433696bc57dce8d4ad732307b5cec6270e6b846f114dcd7ee7f9458a/68747470733a2f2f636f646573616e64626f782e696f2f7374617469632f696d672f706c61792d636f646573616e64626f782e737667" alt="Edit qk17pp2vlq" data-canonical-src="https://codesandbox.io/static/img/play-codesandbox.svg" style="max-width: 100%;"></a></p>
<h2 dir="auto">Context</h2>

<p dir="auto">I'm looking for a simplest approach to do a validation on my project and I would like to hear some feedback about this way.</p>
<p dir="auto">I have searched on issues but found nothing about that... sorry if out of topic and please put me on the right way</p>
<ul class="contains-task-list">
<li class="task-list-item"><input type="checkbox" id="" disabled="" class="task-list-item-checkbox" checked=""> I have searched the <a href="https://github.com/mui-org/material-ui/issues">issues</a> of this repository and believe that this is not a duplicate.</li>
</ul>
<h2 dir="auto">Expected Behavior</h2>

<h2 dir="auto">Current Behavior</h2>

<p dir="auto"><a target="_blank" rel="noopener noreferrer nofollow" href="https://user-images.githubusercontent.com/13051472/35031632-c16e4b06-fb9e-11e7-9619-d9d1d534c058.gif"><img src="https://user-images.githubusercontent.com/13051472/35031632-c16e4b06-fb9e-11e7-9619-d9d1d534c058.gif" alt="ezgif com-video-to-gif" data-animated-image="" style="max-width: 100%;"></a></p>
<h2 dir="auto">Steps to Reproduce (for bugs)</h2>

<p dir="auto"><a target="_blank" rel="noopener noreferrer nofollow" href="https://user-images.githubusercontent.com/13051472/35031752-3db16504-fb9f-11e7-875a-d7b8050d6b88.png"><img src="https://user-images.githubusercontent.com/13051472/35031752-3db16504-fb9f-11e7-875a-d7b8050d6b88.png" alt="image" style="max-width: 100%;"></a></p>
<h2 dir="auto">Your Environment</h2>

<table role="table">
<thead>
<tr>
<th>Tech</th>
<th>Version</th>
</tr>
</thead>
<tbody>
<tr>
<td>Material-UI</td>
<td>^1.0.0-beta.29</td>
</tr>
<tr>
<td>React</td>
<td>^16.2.0</td>
</tr>
<tr>
<td>react-router</td>
<td>^4.2.0</td>
</tr>
</tbody>
</table>