# C1.DataCollection.C1DataCollectionList-1.Clear

## Content

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<h1 id="C1_DataCollection_C1DataCollectionList_1_Clear_" data-uid="C1.DataCollection.C1DataCollectionList`1.Clear*">Clear Method
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<div class="markdown level0 conceptual"></div>



<a id="C1_DataCollection_C1DataCollectionList_1_Clear_" data-uid="C1.DataCollection.C1DataCollectionList`1.Clear*"></a>
<h4 id="C1_DataCollection_C1DataCollectionList_1_Clear" data-uid="C1.DataCollection.C1DataCollectionList`1.Clear">Clear()</h4>
<div class="markdown level1 summary"><p>Removes all items from the <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.collections.generic.icollection-1">ICollection&lt;T&gt;</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 void Clear()</code></pre>
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  <pre><code class="lang-vbnet hljs">Public Sub Clear()</code></pre>
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<h5 class="implements">Implements</h5>
    <div><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.collections.generic.icollection-1.clear">ICollection&lt;T&gt;.Clear()</a></div>
    <div><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.collections.ilist.clear">IList.Clear()</a></div>
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