# GrapeCity.Wpf.SpreadSheet.CellType.Editors.SubItemCollection.SetItem

## Content

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<h1 id="GrapeCity_Wpf_SpreadSheet_CellType_Editors_SubItemCollection_SetItem_" data-uid="GrapeCity.Wpf.SpreadSheet.CellType.Editors.SubItemCollection.SetItem*">SetItem Method
</h1>
<div class="markdown level0 summary"></div>
<div class="markdown level0 conceptual"></div>



<a id="GrapeCity_Wpf_SpreadSheet_CellType_Editors_SubItemCollection_SetItem_" data-uid="GrapeCity.Wpf.SpreadSheet.CellType.Editors.SubItemCollection.SetItem*"></a>
<h4 id="GrapeCity_Wpf_SpreadSheet_CellType_Editors_SubItemCollection_SetItem_System_Int32_GrapeCity_Wpf_SpreadSheet_CellType_Editors_SubItem_" data-uid="GrapeCity.Wpf.SpreadSheet.CellType.Editors.SubItemCollection.SetItem(System.Int32,GrapeCity.Wpf.SpreadSheet.CellType.Editors.SubItem)">SetItem(int, SubItem)</h4>
<div class="markdown level1 summary"><p>Replaces the <a class="xref" href="GrapeCity.Wpf.SpreadSheet.CellType.Editors.SubItem.html">SubItem</a> at the specified index.</p>
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<div class="markdown level1 conceptual"></div>
<h5 class="declaration">Declaration</h5>
<div class="codewrapper">
  <pre><code class="lang-csharp hljs">protected override void SetItem(int index, SubItem subItem)</code></pre>
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  <pre><code class="lang-vbnet hljs">Protected Overrides Sub SetItem(index As Integer, subItem As SubItem)</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>
  <tbody>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.int32">int</a></td>
      <td><span class="parametername">index</span></td>
      <td><p>The zero-based index of the <code class="paramref">subItem</code> to replace.</p>
</td>
    </tr>
    <tr>
      <td><a class="xref" href="GrapeCity.Wpf.SpreadSheet.CellType.Editors.SubItem.html">SubItem</a></td>
      <td><span class="parametername">subItem</span></td>
      <td><p>The new value for the <code class="paramref">subItem</code> at the specified index.</p>
</td>
    </tr>
  </tbody>
</table>
<h5 class="overrides">Overrides</h5>
<div><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.collections.objectmodel.observablecollection-1.setitem">ObservableCollection&lt;SubItem&gt;.SetItem(int, SubItem)</a></div>
<h5 class="exceptions">Exceptions</h5>
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    <tr>
      <th>Type</th>
      <th>Condition</th>
    </tr>
  </thead>
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    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.invalidoperationexception">InvalidOperationException</a></td>
      <td><p>Can't modify <a class="xref" href="GrapeCity.Wpf.SpreadSheet.CellType.Editors.ListItem.SubItems.html#GrapeCity_Wpf_SpreadSheet_CellType_Editors_ListItem_SubItems">SubItems</a> of auto generated <a class="xref" href="GrapeCity.Wpf.SpreadSheet.CellType.Editors.ListItem.html">ListItem</a>.</p>
</td>
    </tr>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.argumentnullexception">ArgumentNullException</a></td>
      <td><p><code class="paramref">subItem</code> can't be null.</p>
</td>
    </tr>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.argumentexception">ArgumentException</a></td>
      <td><p><code class="paramref">subItem</code> has been in the collection.</p>
</td>
    </tr>
  </tbody>
</table>
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