# GrapeCity.ActiveReports.Rendering.EraConfigurationException.DuplicateStartDates

## Content

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<h1 id="GrapeCity_ActiveReports_Rendering_EraConfigurationException_DuplicateStartDates_" data-uid="GrapeCity.ActiveReports.Rendering.EraConfigurationException.DuplicateStartDates*">DuplicateStartDates Method
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<div class="markdown level0 summary"></div>
<div class="markdown level0 conceptual"></div>



<a id="GrapeCity_ActiveReports_Rendering_EraConfigurationException_DuplicateStartDates_" data-uid="GrapeCity.ActiveReports.Rendering.EraConfigurationException.DuplicateStartDates*"></a>
<h4 id="GrapeCity_ActiveReports_Rendering_EraConfigurationException_DuplicateStartDates_System_String_System_String_" data-uid="GrapeCity.ActiveReports.Rendering.EraConfigurationException.DuplicateStartDates(System.String,System.String)">DuplicateStartDates(string, string)</h4>
<div class="markdown level1 summary"><p>Creates an exception indicating that two eras share the same start date.</p>
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<h5 class="declaration">Declaration</h5>
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  <pre><code class="lang-csharp hljs">public static EraConfigurationException DuplicateStartDates(string era1, string era2)</code></pre>
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<h5 class="parameters">Parameters</h5>
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      <th>Type</th>
      <th>Name</th>
      <th>Description</th>
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      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.string">string</a></td>
      <td><span class="parametername">era1</span></td>
      <td><p>The name of the first era.</p>
</td>
    </tr>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.string">string</a></td>
      <td><span class="parametername">era2</span></td>
      <td><p>The name of the second era with the same start date.</p>
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    </tr>
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<h5 class="returns">Returns</h5>
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    <tr>
      <th>Type</th>
      <th>Description</th>
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      <td><a class="xref" href="GrapeCity.ActiveReports.Rendering.EraConfigurationException.html">EraConfigurationException</a></td>
      <td><p>A new <a class="xref" href="GrapeCity.ActiveReports.Rendering.EraConfigurationException.html">EraConfigurationException</a> with the <a class="xref" href="GrapeCity.ActiveReports.Rendering.EraConfigurationException.ErrorCodes.html#GrapeCity_ActiveReports_Rendering_EraConfigurationException_ErrorCodes_DuplicateStartDates">DuplicateStartDates</a> code.</p>
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