# GrapeCity.Documents.Excel.IValidation.Add

## Content

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<h1 id="GrapeCity_Documents_Excel_IValidation_Add_" data-uid="GrapeCity.Documents.Excel.IValidation.Add*">Add Method
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<div class="markdown level0 conceptual"></div>



<a id="GrapeCity_Documents_Excel_IValidation_Add_" data-uid="GrapeCity.Documents.Excel.IValidation.Add*"></a>
<h4 id="GrapeCity_Documents_Excel_IValidation_Add_GrapeCity_Documents_Excel_ValidationType_GrapeCity_Documents_Excel_ValidationAlertStyle_GrapeCity_Documents_Excel_ValidationOperator_System_Object_System_Object_" data-uid="GrapeCity.Documents.Excel.IValidation.Add(GrapeCity.Documents.Excel.ValidationType,GrapeCity.Documents.Excel.ValidationAlertStyle,GrapeCity.Documents.Excel.ValidationOperator,System.Object,System.Object)">Add(ValidationType, ValidationAlertStyle, ValidationOperator, object, object)</h4>
<div class="markdown level1 summary"><p>Adds data validation to the specified range.</p>
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<div class="markdown level1 conceptual"></div>
<h5 class="declaration">Declaration</h5>
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  <pre><code class="lang-csharp hljs">void Add(ValidationType type, ValidationAlertStyle alertStyle = ValidationAlertStyle.Stop, ValidationOperator validationOperator = ValidationOperator.Between, object formula1 = null, object formula2 = null)</code></pre>
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  <pre><code class="lang-vbnet hljs">Sub Add(type As ValidationType, Optional alertStyle As ValidationAlertStyle = ValidationAlertStyle.Stop, Optional validationOperator As ValidationOperator = ValidationOperator.Between, Optional formula1 As Object = Nothing, Optional formula2 As Object = Nothing)</code></pre>
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<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-condensed">
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    <tr>
      <th>Type</th>
      <th>Name</th>
      <th>Description</th>
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    <tr>
      <td><a class="xref" href="GrapeCity.Documents.Excel.ValidationType.html">ValidationType</a></td>
      <td><span class="parametername">type</span></td>
      <td><p>Required ValidationType. The validation type.</p>
</td>
    </tr>
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      <td><a class="xref" href="GrapeCity.Documents.Excel.ValidationAlertStyle.html">ValidationAlertStyle</a></td>
      <td><span class="parametername">alertStyle</span></td>
      <td><p>Optional Object. The validation alert style.</p>
</td>
    </tr>
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      <td><a class="xref" href="GrapeCity.Documents.Excel.ValidationOperator.html">ValidationOperator</a></td>
      <td><span class="parametername">validationOperator</span></td>
      <td><p>Optional Object. The data validation operator.</p>
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    </tr>
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      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object">object</a></td>
      <td><span class="parametername">formula1</span></td>
      <td><p>Optional Object. The first part of the data validation equation.</p>
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      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object">object</a></td>
      <td><span class="parametername">formula2</span></td>
      <td><p>Optional Object. The second part of the data validation when Operator is Between or NotBetween (otherwise, this argument is ignored).</p>
</td>
    </tr>
  </tbody>
</table>
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