# C1.Web.Mvc.Fluent.FlexGridBaseBuilder-3.ColumnGroups

## Content

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<h1 id="C1_Web_Mvc_Fluent_FlexGridBaseBuilder_3_ColumnGroups_" data-uid="C1.Web.Mvc.Fluent.FlexGridBaseBuilder`3.ColumnGroups*">ColumnGroups Method
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<div class="markdown level0 summary"></div>
<div class="markdown level0 conceptual"></div>



<a id="C1_Web_Mvc_Fluent_FlexGridBaseBuilder_3_ColumnGroups_" data-uid="C1.Web.Mvc.Fluent.FlexGridBaseBuilder`3.ColumnGroups*"></a>
<h4 id="C1_Web_Mvc_Fluent_FlexGridBaseBuilder_3_ColumnGroups_System_Action_C1_Web_Mvc_Fluent_ListItemFactory_C1_Web_Mvc_Column_C1_Web_Mvc_Fluent_ColumnBuilder___" data-uid="C1.Web.Mvc.Fluent.FlexGridBaseBuilder`3.ColumnGroups(System.Action{C1.Web.Mvc.Fluent.ListItemFactory{C1.Web.Mvc.Column,C1.Web.Mvc.Fluent.ColumnBuilder}})">ColumnGroups(Action&lt;ListItemFactory&lt;Column, ColumnBuilder&gt;&gt;)</h4>
<div class="markdown level1 summary"><p>Configure <a class="xref" href="C1.Web.Mvc.FlexGridBase-1.Columns.html#C1_Web_Mvc_FlexGridBase_1_Columns">Columns</a>.</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">public virtual TBuilder ColumnGroups(Action&lt;ListItemFactory&lt;Column, ColumnBuilder&gt;&gt; builder)</code></pre>
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  <pre><code class="lang-vbnet hljs">Public Overridable Function ColumnGroups(builder As Action(Of ListItemFactory(Of Column, ColumnBuilder))) As TBuilder</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.action-1">Action</a>&lt;<a class="xref" href="C1.Web.Mvc.Fluent.ListItemFactory-2.html">ListItemFactory</a>&lt;<a class="xref" href="C1.Web.Mvc.Column.html">Column</a>, <a class="xref" href="C1.Web.Mvc.Fluent.ColumnBuilder.html">ColumnBuilder</a>&gt;&gt;</td>
      <td><span class="parametername">builder</span></td>
      <td><p>The builder action.</p>
</td>
    </tr>
  </tbody>
</table>
<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><span class="xref">TBuilder</span></td>
      <td><p>Current builder.</p>
</td>
    </tr>
  </tbody>
</table>
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