# GrapeCity.Documents.Excel.Expressions.Reference.Workbook

## Content

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<h1 id="GrapeCity_Documents_Excel_Expressions_Reference_Workbook_" data-uid="GrapeCity.Documents.Excel.Expressions.Reference.Workbook*">Workbook Property
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<a id="GrapeCity_Documents_Excel_Expressions_Reference_Workbook_" data-uid="GrapeCity.Documents.Excel.Expressions.Reference.Workbook*"></a>
<h4 id="GrapeCity_Documents_Excel_Expressions_Reference_Workbook" data-uid="GrapeCity.Documents.Excel.Expressions.Reference.Workbook">Workbook</h4>
<div class="markdown level1 summary"><p>Gets or sets the external workbook reference.
The default value is <a href="https://learn.microsoft.com/dotnet/csharp/language-reference/keywords/null">null</a> (<code>Nothing</code>).</p>
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<h5 class="declaration">Declaration</h5>
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  <pre><code class="lang-csharp hljs">public WorkbookReference Workbook { get; set; }</code></pre>
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  <pre><code class="lang-vbnet hljs">Public Property Workbook As WorkbookReference</code></pre>
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