# C1.Document.Utils.IsNull

## Content

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<h1 id="C1_Document_Utils_IsNull_" data-uid="C1.Document.Utils.IsNull*">IsNull Method
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<div class="markdown level0 conceptual"></div>



<a id="C1_Document_Utils_IsNull_" data-uid="C1.Document.Utils.IsNull*"></a>
<h4 id="C1_Document_Utils_IsNull_System_Object_" data-uid="C1.Document.Utils.IsNull(System.Object)">IsNull(object)</h4>
<div class="markdown level1 summary"><p>Returns a value indicating whether a value is null or System.DBNull.</p>
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<h5 class="declaration">Declaration</h5>
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  <pre><code class="lang-csharp hljs">public static bool IsNull(object v)</code></pre>
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  <pre><code class="lang-vbnet hljs">Public Shared Function IsNull(v As Object) As Boolean</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>
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      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object">object</a></td>
      <td><span class="parametername">v</span></td>
      <td><p>Value to test.</p>
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    </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>
  <tbody>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.boolean">bool</a></td>
      <td><p>Returns <b>true</b> if <code class="paramref">v</code> is null or System.DBNull, false otherwise.</p>
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    </tr>
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