# GrapeCity.Spreadsheet.Data.IValueConverter.ConvertBack

## Content

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<h1 id="GrapeCity_Spreadsheet_Data_IValueConverter_ConvertBack_" data-uid="GrapeCity.Spreadsheet.Data.IValueConverter.ConvertBack*">ConvertBack Method
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<a id="GrapeCity_Spreadsheet_Data_IValueConverter_ConvertBack_" data-uid="GrapeCity.Spreadsheet.Data.IValueConverter.ConvertBack*"></a>
<h4 id="GrapeCity_Spreadsheet_Data_IValueConverter_ConvertBack_System_Object_System_Type_System_Object_" data-uid="GrapeCity.Spreadsheet.Data.IValueConverter.ConvertBack(System.Object,System.Type,System.Object)">ConvertBack(object, Type, object)</h4>
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<h5 class="declaration">Declaration</h5>
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  <pre><code class="lang-csharp hljs">object ConvertBack(object value, Type targetType, object parameter)</code></pre>
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  <pre><code class="lang-vbnet hljs">Function ConvertBack(value As Object, targetType As Type, parameter As Object) As Object</code></pre>
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<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-condensed">
  <thead>
    <tr>
      <th>Type</th>
      <th>Name</th>
      <th>Description</th>
    </tr>
  </thead>
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    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object">object</a></td>
      <td><span class="parametername">value</span></td>
      <td><p>The value that is produced by the binding target.</p>
</td>
    </tr>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.type">Type</a></td>
      <td><span class="parametername">targetType</span></td>
      <td><p>The type of the binding target property.</p>
</td>
    </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">parameter</span></td>
      <td><p>The converter parameter to use.</p>
</td>
    </tr>
  </tbody>
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<h5 class="returns">Returns</h5>
<table class="table table-bordered table-condensed">
  <thead>
    <tr>
      <th>Type</th>
      <th>Description</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object">object</a></td>
      <td><p>A converted value. If the method returns <code>null</code>, the valid null value is used.</p>
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    </tr>
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<h5 id="GrapeCity_Spreadsheet_Data_IValueConverter_ConvertBack_System_Object_System_Type_System_Object__remarks">Remarks</h5>
<div class="markdown level1 remarks"><p>The data binding engine calls this method when it propagates a value from the binding target to the binding source.</p>
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