# GrapeCity.Documents.Excel.Workbook.Dirty

## Content

<div class="doc-site-dotnet-api-container">



<h1 id="GrapeCity_Documents_Excel_Workbook_Dirty_" data-uid="GrapeCity.Documents.Excel.Workbook.Dirty*">Dirty Method
</h1>
<div class="markdown level0 summary"></div>
<div class="markdown level0 conceptual"></div>



<a id="GrapeCity_Documents_Excel_Workbook_Dirty_" data-uid="GrapeCity.Documents.Excel.Workbook.Dirty*"></a>
<h4 id="GrapeCity_Documents_Excel_Workbook_Dirty" data-uid="GrapeCity.Documents.Excel.Workbook.Dirty">Dirty()</h4>
<div class="markdown level1 summary"><p>Designates all the formulas of the workbook to be recalculated when the next calculation occurs.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="declaration">Declaration</h5>
<div class="codewrapper">
  <pre><code class="lang-csharp hljs">public void Dirty()</code></pre>
</div>
<div class="codewrapper">
  <pre><code class="lang-vbnet hljs">Public Sub Dirty()</code></pre>
</div>
<h5 class="implements">Implements</h5>
    <div><a class="xref" href="GrapeCity.Documents.Excel.IWorkbook.Dirty.html#GrapeCity_Documents_Excel_IWorkbook_Dirty">IWorkbook.Dirty()</a></div>
</div>