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<com:TContent ID="body" >
<h1 id="194006">TCallbackEventParameter</h1>
<com:DocLink ClassPath="System.Web.UI.ActiveControls.TCallbackEventParameter" />
<p class="block-content">
<tt>TCallbackEventParameter</tt> provides the parameter passed during the callback
request in the <tt>CallbackParameter</tt> property. The
callback response content (e.g. new HTML content) must be rendered
using an THtmlWriter obtained from the <tt>NewWriter</tt>
property, which returns a <b>NEW</b> instance of TCallbackResponseWriter.
</p>
<p class="block-content">
Each instance <tt>TCallbackResponseWriter</tt> is associated with a unique
boundary delimited. By default each panel only renders its own content.
To replace the content of ONE panel with that of rendered from multiple panels
use the same writer instance for the panels to be rendered.
</p>
<p class="block-content">
The response data (i.e., passing results back to the client-side
callback handler function) can be set using <tt>ResponseData</tt> property.
</p>
</com:TContent>
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