# C1.Report.FlexChart.Series.YExpression

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<h1 id="C1_Report_FlexChart_Series_YExpression_" data-uid="C1.Report.FlexChart.Series.YExpression*">YExpression Property
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<a id="C1_Report_FlexChart_Series_YExpression_" data-uid="C1.Report.FlexChart.Series.YExpression*"></a>
<h4 id="C1_Report_FlexChart_Series_YExpression" data-uid="C1.Report.FlexChart.Series.YExpression">YExpression</h4>
<div class="markdown level1 summary"><p>Gets or sets an expression used to obtain Y data.
This property works over <a class="xref" href="C1.Report.FlexChart.Series.YExpressions.html#C1_Report_FlexChart_Series_YExpressions">YExpressions</a> and gets or sets the element with index 0.</p>
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<h5 class="declaration">Declaration</h5>
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  <pre><code class="lang-csharp hljs">[C1Category(&quot;Data&quot;)]
[C1Description(&quot;FlexChartSeries.YExpression&quot;, &quot;Specifies an expression used to obtain Y data.&quot;)]
public string YExpression { get; set; }</code></pre>
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  <pre><code class="lang-vbnet hljs">&lt;C1Category(&quot;Data&quot;)&gt;
&lt;C1Description(&quot;FlexChartSeries.YExpression&quot;, &quot;Specifies an expression used to obtain Y data.&quot;)&gt;
Public Property YExpression As String</code></pre>
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