# GrapeCity.Enterprise.Data.Expressions.Evaluation.InvalidVariantOperationException

## Content

<div class="doc-site-dotnet-api-container">



  <h1 id="GrapeCity_Enterprise_Data_Expressions_Evaluation_InvalidVariantOperationException" data-uid="GrapeCity.Enterprise.Data.Expressions.Evaluation.InvalidVariantOperationException" class="text-break">InvalidVariantOperationException Class
</h1>
  <div class="markdown level0 summary"><p>Raised when an evaluation operation is not applicable to the given arguments.</p>
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  <div class="markdown level0 conceptual"></div>
  <div class="inheritance">
    <h5>Inheritance</h5>
    <div class="level0"><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.object">object</a></div>
    <div class="level1"><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.exception">Exception</a></div>
    <div class="level2"><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.systemexception">SystemException</a></div>
    <div class="level3"><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.invalidoperationexception">InvalidOperationException</a></div>
    <div class="level4"><span class="xref">InvalidVariantOperationException</span></div>
  </div>
  <div class="implements">
    <h5>Implements</h5>
    <div><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.runtime.serialization.iserializable">ISerializable</a></div>
  </div>
  <h6><strong>Namespace</strong>: <a class="xref" href="GrapeCity.Enterprise.Data.Expressions.Evaluation.html">GrapeCity.Enterprise.Data.Expressions.Evaluation</a></h6>
  <h6><strong>Assembly</strong>: MESCIUS.ActiveReports.Core.Data.ExpressionInfo.dll</h6>
  <h5 id="GrapeCity_Enterprise_Data_Expressions_Evaluation_InvalidVariantOperationException_syntax">Syntax</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public sealed class InvalidVariantOperationException : InvalidOperationException, ISerializable</code></pre>
  </div>
  <h3 id="properties">Properties
</h3>
  <table class="table table-bordered table-condensed">
    <thead>
      <tr>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td id="GrapeCity_Enterprise_Data_Expressions_Evaluation_InvalidVariantOperationException_Operands" data-uid="GrapeCity.Enterprise.Data.Expressions.Evaluation.InvalidVariantOperationException.Operands">
          <a class="xref" href="GrapeCity.Enterprise.Data.Expressions.Evaluation.InvalidVariantOperationException.Operands.html#GrapeCity_Enterprise_Data_Expressions_Evaluation_InvalidVariantOperationException_Operands">Operands</a>
        </td>
        <td class="markdown level1 summary"><p>Parameter(s) of the failed operation.</p>
</td>
      </tr>
      <tr>
        <td id="GrapeCity_Enterprise_Data_Expressions_Evaluation_InvalidVariantOperationException_OperationName" data-uid="GrapeCity.Enterprise.Data.Expressions.Evaluation.InvalidVariantOperationException.OperationName">
          <a class="xref" href="GrapeCity.Enterprise.Data.Expressions.Evaluation.InvalidVariantOperationException.OperationName.html#GrapeCity_Enterprise_Data_Expressions_Evaluation_InvalidVariantOperationException_OperationName">OperationName</a>
        </td>
        <td class="markdown level1 summary"><p>Name of the failed operation.</p>
</td>
      </tr>
    </tbody>
  </table>
  <h3 id="extensionmethods">Extension Methods</h3>
  <div>
      <a class="xref" href="GrapeCity.Enterprise.Data.Expressions.Tools.EnumerableExtensions.Flatten.html#GrapeCity_Enterprise_Data_Expressions_Tools_EnumerableExtensions_Flatten__1___0_System_Func___0___0__">EnumerableExtensions.Flatten&lt;T&gt;(T, Func&lt;T, T&gt;)</a>
  </div>
  <div>
      <a class="xref" href="GrapeCity.Enterprise.Data.Expressions.Tools.EnumerableExtensions.Flatten.html#GrapeCity_Enterprise_Data_Expressions_Tools_EnumerableExtensions_Flatten__1___0_System_Func___0_System_Collections_Generic_IEnumerable___0___">EnumerableExtensions.Flatten&lt;T&gt;(T, Func&lt;T, IEnumerable&lt;T&gt;&gt;)</a>
  </div>
  <div>
      <a class="xref" href="GrapeCity.Enterprise.Data.Expressions.Tools.EnumerableExtensions.Repeat.html#GrapeCity_Enterprise_Data_Expressions_Tools_EnumerableExtensions_Repeat__1___0_System_Int32_">EnumerableExtensions.Repeat&lt;T&gt;(T, int)</a>
  </div>
  <div>
      <a class="xref" href="GrapeCity.Enterprise.Data.Expressions.Tools.EnumerableExtensions.WithIndex.html#GrapeCity_Enterprise_Data_Expressions_Tools_EnumerableExtensions_WithIndex__1___0_System_Int32_">EnumerableExtensions.WithIndex&lt;T&gt;(T, int)</a>
  </div>

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