# C1.DataConnector.JsonStreamParser.DefaultColumns

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<h1 id="C1_DataConnector_JsonStreamParser_DefaultColumns_" data-uid="C1.DataConnector.JsonStreamParser.DefaultColumns*">DefaultColumns Property
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<h4 id="C1_DataConnector_JsonStreamParser_DefaultColumns" data-uid="C1.DataConnector.JsonStreamParser.DefaultColumns">DefaultColumns</h4>
<div class="markdown level1 summary"><p>Prepopulate the dictionary with a default list of columns, especially useful for handling JSON with hidden null values.</p>
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<h5 class="declaration">Declaration</h5>
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  <pre><code class="lang-csharp hljs">public List&lt;string&gt; DefaultColumns { get; set; }</code></pre>
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  <pre><code class="lang-vbnet hljs">Public Property DefaultColumns As List(Of String)</code></pre>
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