# C1.WPF.DataFilter.ConditionalFilterItemPresenter-1.IsExpressionHasValue

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<h1 id="C1_WPF_DataFilter_ConditionalFilterItemPresenter_1_IsExpressionHasValue_" data-uid="C1.WPF.DataFilter.ConditionalFilterItemPresenter`1.IsExpressionHasValue*">IsExpressionHasValue Property
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<a id="C1_WPF_DataFilter_ConditionalFilterItemPresenter_1_IsExpressionHasValue_" data-uid="C1.WPF.DataFilter.ConditionalFilterItemPresenter`1.IsExpressionHasValue*"></a>
<h4 id="C1_WPF_DataFilter_ConditionalFilterItemPresenter_1_IsExpressionHasValue" data-uid="C1.WPF.DataFilter.ConditionalFilterItemPresenter`1.IsExpressionHasValue">IsExpressionHasValue</h4>
<div class="markdown level1 summary"><p>True, if underlying <a class="xref" href="C1.WPF.DataFilter.ConditionalFilterItemPresenter-1.Expression.html#C1_WPF_DataFilter_ConditionalFilterItemPresenter_1_Expression">Expression</a> has a value which participates at filtering.</p>
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<h5 class="declaration">Declaration</h5>
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  <pre><code class="lang-csharp hljs">protected bool IsExpressionHasValue { get; }</code></pre>
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  <pre><code class="lang-vbnet hljs">Protected ReadOnly Property IsExpressionHasValue As Boolean</code></pre>
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