# GrapeCity.ActiveReports.Rendering.Data.DataScopeBase.IsValid

## Content

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<h1 id="GrapeCity_ActiveReports_Rendering_Data_DataScopeBase_IsValid_" data-uid="GrapeCity.ActiveReports.Rendering.Data.DataScopeBase.IsValid*">IsValid Method
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<div class="markdown level0 summary"></div>
<div class="markdown level0 conceptual"></div>



<a id="GrapeCity_ActiveReports_Rendering_Data_DataScopeBase_IsValid_" data-uid="GrapeCity.ActiveReports.Rendering.Data.DataScopeBase.IsValid*"></a>
<h4 id="GrapeCity_ActiveReports_Rendering_Data_DataScopeBase_IsValid_GrapeCity_Enterprise_Data_Expressions_ExpressionInfo_" data-uid="GrapeCity.ActiveReports.Rendering.Data.DataScopeBase.IsValid(GrapeCity.Enterprise.Data.Expressions.ExpressionInfo)">IsValid(ExpressionInfo)</h4>
<div class="markdown level1 summary"><p>Determines whether the <a class="xref" href="../MESCIUS.ActiveReports.Core.Data.ExpressionInfo/GrapeCity.Enterprise.Data.Expressions.ExpressionInfo.html">ExpressionInfo</a> object is an expression that can potentially be evaluated. Expressions with invalid syntax return false.</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 IsValid(ExpressionInfo expression)</code></pre>
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<h5 class="parameters">Parameters</h5>
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  <thead>
    <tr>
      <th>Type</th>
      <th>Name</th>
      <th>Description</th>
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  </thead>
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    <tr>
      <td><a class="xref" href="../MESCIUS.ActiveReports.Core.Data.ExpressionInfo/GrapeCity.Enterprise.Data.Expressions.ExpressionInfo.html">ExpressionInfo</a></td>
      <td><span class="parametername">expression</span></td>
      <td><p>The <a class="xref" href="../MESCIUS.ActiveReports.Core.Data.ExpressionInfo/GrapeCity.Enterprise.Data.Expressions.ExpressionInfo.html">ExpressionInfo</a> object to evaluate.</p>
</td>
    </tr>
  </tbody>
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<h5 class="returns">Returns</h5>
<table class="table table-bordered table-condensed">
  <thead>
    <tr>
      <th>Type</th>
      <th>Description</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.boolean">bool</a></td>
      <td><p>True if the syntax is valid, otherwise False.</p>
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    </tr>
  </tbody>
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<h5 class="implements">Implements</h5>
    <div><a class="xref" href="GrapeCity.ActiveReports.Core.Rendering.IExpressionEvaluatorService.IsValid.html#GrapeCity_ActiveReports_Core_Rendering_IExpressionEvaluatorService_IsValid_GrapeCity_Enterprise_Data_Expressions_ExpressionInfo_">IExpressionEvaluatorService.IsValid(ExpressionInfo)</a></div>
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