# GrapeCity.ActiveReports.Extensibility.Rendering.Components.ITextBox.Key

## Content

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<h1 id="GrapeCity_ActiveReports_Extensibility_Rendering_Components_ITextBox_Key_" data-uid="GrapeCity.ActiveReports.Extensibility.Rendering.Components.ITextBox.Key*">Key Property
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<div class="markdown level0 summary"></div>
<div class="markdown level0 conceptual"></div>



<a id="GrapeCity_ActiveReports_Extensibility_Rendering_Components_ITextBox_Key_" data-uid="GrapeCity.ActiveReports.Extensibility.Rendering.Components.ITextBox.Key*"></a>
<h4 id="GrapeCity_ActiveReports_Extensibility_Rendering_Components_ITextBox_Key" data-uid="GrapeCity.ActiveReports.Extensibility.Rendering.Components.ITextBox.Key">Key</h4>
<div class="markdown level1 summary"><p>Gets the unique persistent key used to identify the instance of the textbox item.
This is primarily used for passing interactive state from client to server, so the server is capable of applying interactivity and relayouting the report document.</p>
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<h5 class="declaration">Declaration</h5>
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  <pre><code class="lang-csharp hljs">string Key { get; }</code></pre>
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<h5 class="propertyValue">Property Value</h5>
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  <thead>
    <tr>
      <th>Type</th>
      <th>Description</th>
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    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.string">string</a></td>
      <td><p>A <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.string">string</a> representing the unique persistent key of the textbox item.</p>
</td>
    </tr>
  </tbody>
</table>
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