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<h1>ASP.NET HtmlInputHidden Control</h1>
<hr />
<a href="aspnet_refhtmlcontrols.asp"><img class="navup" src="../images/up.gif" alt="HTML Control Reference" border="0" /> Complete HTML Control Reference</a>
<hr />

<h2>Definition and Usage</h2>

<p>The HtmlInputHidden control is used to control an &lt;input type=&quot;hidden&quot;&gt; element. In HTML, this 
element is used to create a hidden input field.</p>

<hr />

<h2>Properties and Events</h2>

<table class="ex" border="1" width="100%">
  <tr>
    <th width="30%" align="left">Property</th>
    <th width="70%" align="left">Description</th>
  </tr>
  <tr>
    <td valign="top">Attributes</td>
    <td valign="top">Returns all attribute name and value pairs of the element</td>
  </tr>
  <tr>
    <td valign="top">Disabled</td>
    <td valign="top">A Boolean value that indicates whether or not the control 
    should be disabled. Default is false</td>
  </tr>
  <tr>
    <td valign="top">id</td>
    <td valign="top">A unique id for the element</td>
  </tr>
  <tr>
    <td valign="top">Name</td>
    <td valign="top">The name of the element</td>
  </tr>
  <tr>
    <td valign="top">runat</td>
    <td valign="top">Specifies that the element is a server control.&nbsp; Must 
    be set to &quot;server&quot;</td>
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  <tr>
    <td valign="top">Style</td>
    <td valign="top">Sets or returns the CSS properties that are applied to the 
    control</td>
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    <td valign="top">TagName</td>
    <td valign="top">Returns the element tag name</td>
  </tr>
  <tr>
    <td valign="top">Type</td>
    <td valign="top">The type of the element</td>
  </tr>
  <tr>
    <td valign="top">Value</td>
    <td valign="top">The value of the hidden field</td>
  </tr>
  <tr>
    <td valign="top">Visible</td>
    <td valign="top">A Boolean value that indicates whether or not the control 
    should be visible</td>
  </tr>
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    <th width="30%" align="left">Event</th>
    <th width="70%" align="left">Description</th>
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    <td valign="top">ServerChange</td>
    <td valign="top">When the content of the element has changed</td>
  </tr>
  </table>

<h3>Examples</h3>
<p><a target="_blank" href="showasp.asp@filename=demo_htmlinputhidden">HTMLInputHidden</a><br />
In this example we declare one HtmlInputHidden 
control, one HtmlInputText control, one HtmlInputButton 
control, and one HtmlGeneric control in an .aspx file (remember to embed the controls 
inside an HtmlForm control). When the submit button is triggered, the submit 
subroutine is executed. The submit subroutine sets the value of the hidden field 
equal to value of the input field and then displays the value of the hidden 
field in the p element.</p>
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<a href="aspnet_refhtmlcontrols.asp"><img class="navup" src="../images/up.gif" alt="HTML Control Reference" border="0" /> Complete HTML Control Reference</a>

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