# GrapeCity.ActiveReports.PageReportModel.ReportParameter.AllowBlank

## Content

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<h1 id="GrapeCity_ActiveReports_PageReportModel_ReportParameter_AllowBlank_" data-uid="GrapeCity.ActiveReports.PageReportModel.ReportParameter.AllowBlank*">AllowBlank Property
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<div class="markdown level0 summary"></div>
<div class="markdown level0 conceptual"></div>



<a id="GrapeCity_ActiveReports_PageReportModel_ReportParameter_AllowBlank_" data-uid="GrapeCity.ActiveReports.PageReportModel.ReportParameter.AllowBlank*"></a>
<h4 id="GrapeCity_ActiveReports_PageReportModel_ReportParameter_AllowBlank" data-uid="GrapeCity.ActiveReports.PageReportModel.ReportParameter.AllowBlank">AllowBlank</h4>
<div class="markdown level1 summary"><p>Gets or sets a value indicating whether the parameter value can be an empty string.</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">public bool AllowBlank { get; set; }</code></pre>
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<h5 class="propertyValue">Property Value</h5>
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      <th>Type</th>
      <th>Description</th>
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      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.boolean">bool</a></td>
      <td><p>A <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.boolean">bool</a> value where <code>true</code> indicates that the parameter can be an empty string;
otherwise, <code>false</code>. Default value is <code>false</code>.</p>
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    </tr>
  </tbody>
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<h5 id="GrapeCity_ActiveReports_PageReportModel_ReportParameter_AllowBlank_remarks">Remarks</h5>
<div class="markdown level1 remarks"><p>This property is ignored if the <a class="xref" href="GrapeCity.ActiveReports.PageReportModel.ReportParameter.DataType.html#GrapeCity_ActiveReports_PageReportModel_ReportParameter_DataType">DataType</a> is not string.</p>
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