# GrapeCity.Spreadsheet.ISparkline.ModifySourceData

## Content

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<h1 id="GrapeCity_Spreadsheet_ISparkline_ModifySourceData_" data-uid="GrapeCity.Spreadsheet.ISparkline.ModifySourceData*">ModifySourceData Method
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<div class="markdown level0 summary"></div>
<div class="markdown level0 conceptual"></div>



<a id="GrapeCity_Spreadsheet_ISparkline_ModifySourceData_" data-uid="GrapeCity.Spreadsheet.ISparkline.ModifySourceData*"></a>
<h4 id="GrapeCity_Spreadsheet_ISparkline_ModifySourceData_System_String_" data-uid="GrapeCity.Spreadsheet.ISparkline.ModifySourceData(System.String)">ModifySourceData(string)</h4>
<div class="markdown level1 summary"><p>Modifies the source data for a single sparkline.</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">void ModifySourceData(string sourceData)</code></pre>
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  <pre><code class="lang-vbnet hljs">Sub ModifySourceData(sourceData As String)</code></pre>
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<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-condensed">
  <thead>
    <tr>
      <th>Type</th>
      <th>Name</th>
      <th>Description</th>
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    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.string">string</a></td>
      <td><span class="parametername">sourceData</span></td>
      <td><p>The range that contains the source data.</p>
</td>
    </tr>
  </tbody>
</table>
<h5 id="GrapeCity_Spreadsheet_ISparkline_ModifySourceData_System_String__remarks">Remarks</h5>
<div class="markdown level1 remarks"><p>The data source range for a single sparkline must be continuous.</p>
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