# GrapeCity.Documents.Excel.DateTimeConverter.ToOADate

## Content

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<h1 id="GrapeCity_Documents_Excel_DateTimeConverter_ToOADate_" data-uid="GrapeCity.Documents.Excel.DateTimeConverter.ToOADate*">ToOADate Method
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<a id="GrapeCity_Documents_Excel_DateTimeConverter_ToOADate_" data-uid="GrapeCity.Documents.Excel.DateTimeConverter.ToOADate*"></a>
<h4 id="GrapeCity_Documents_Excel_DateTimeConverter_ToOADate_System_DateTime_" data-uid="GrapeCity.Documents.Excel.DateTimeConverter.ToOADate(System.DateTime)">ToOADate(DateTime)</h4>
<div class="markdown level1 summary"><p>Internal use only. Use <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.datetime.tooadate">ToOADate()</a> instead.</p>
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<h5 class="declaration">Declaration</h5>
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  <pre><code class="lang-csharp hljs">[Obsolete(&quot;Internal use only. Use DateTime.ToOADate instead.&quot;)]
public static double ToOADate(DateTime date)</code></pre>
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  <pre><code class="lang-vbnet hljs">&lt;Obsolete(&quot;Internal use only. Use DateTime.ToOADate instead.&quot;)&gt;
Public Shared Function ToOADate([date] As Date) As Double</code></pre>
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<h5 class="parameters">Parameters</h5>
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  <thead>
    <tr>
      <th>Type</th>
      <th>Name</th>
      <th>Description</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.datetime">DateTime</a></td>
      <td><span class="parametername">date</span></td>
      <td><p>The value to convert.</p>
</td>
    </tr>
  </tbody>
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<h5 class="returns">Returns</h5>
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  <thead>
    <tr>
      <th>Type</th>
      <th>Description</th>
    </tr>
  </thead>
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    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.double">double</a></td>
      <td></td>
    </tr>
  </tbody>
</table>
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