# GrapeCity.Documents.Excel.DeserializationOptions.InvalidFormulaHandling

## Content

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<h1 id="GrapeCity_Documents_Excel_DeserializationOptions_InvalidFormulaHandling_" data-uid="GrapeCity.Documents.Excel.DeserializationOptions.InvalidFormulaHandling*">InvalidFormulaHandling Property
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<h4 id="GrapeCity_Documents_Excel_DeserializationOptions_InvalidFormulaHandling" data-uid="GrapeCity.Documents.Excel.DeserializationOptions.InvalidFormulaHandling">InvalidFormulaHandling</h4>
<div class="markdown level1 summary"><p>Gets or sets how invalid formulas are handled when deserializing JSON data.
The default value is <code><a href="https://learn.microsoft.com/dotnet/csharp/language-reference/keywords/null">null</a></code>.</p>
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<h5 class="declaration">Declaration</h5>
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  <pre><code class="lang-csharp hljs">public InvalidFormulaHandling? InvalidFormulaHandling { get; set; }</code></pre>
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  <pre><code class="lang-vbnet hljs">Public Property InvalidFormulaHandling As InvalidFormulaHandling?</code></pre>
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<h5 id="GrapeCity_Documents_Excel_DeserializationOptions_InvalidFormulaHandling_examples">Examples</h5>
<pre><code class="lang-csharp">DeserializationOptions options = new DeserializationOptions();
options.InvalidFormulaHandling = InvalidFormulaHandling.Preserve;
InvalidFormulaHandling? invalidFormulaHandling = options.InvalidFormulaHandling;</code></pre>

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