# C1.Win.FlexGrid.View.C1FlexGridExternalViewBase.BeginUpdate

## Content

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<h1 id="C1_Win_FlexGrid_View_C1FlexGridExternalViewBase_BeginUpdate_" data-uid="C1.Win.FlexGrid.View.C1FlexGridExternalViewBase.BeginUpdate*">BeginUpdate Method
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<a id="C1_Win_FlexGrid_View_C1FlexGridExternalViewBase_BeginUpdate_" data-uid="C1.Win.FlexGrid.View.C1FlexGridExternalViewBase.BeginUpdate*"></a>
<h4 id="C1_Win_FlexGrid_View_C1FlexGridExternalViewBase_BeginUpdate" data-uid="C1.Win.FlexGrid.View.C1FlexGridExternalViewBase.BeginUpdate">BeginUpdate()</h4>
<div class="markdown level1 summary"><p>Maintains performance by preventing the attached <a class="xref" href="C1.Win.FlexGrid.C1FlexGrid.html">C1FlexGrid</a> controls
from updating itself until the <a class="xref" href="C1.Win.FlexGrid.View.C1FlexGridExternalViewBase.EndUpdate.html#C1_Win_FlexGrid_View_C1FlexGridExternalViewBase_EndUpdate">EndUpdate()</a> method is called.</p>
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<h5 class="declaration">Declaration</h5>
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  <pre><code class="lang-csharp hljs">public void BeginUpdate()</code></pre>
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  <pre><code class="lang-vbnet hljs">Public Sub BeginUpdate()</code></pre>
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