# C1.CalcEngine.ExpressionEngine.ExpressionEngine.TryAddAlias

## Content

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<h1 id="C1_CalcEngine_ExpressionEngine_ExpressionEngine_TryAddAlias_" data-uid="C1.CalcEngine.ExpressionEngine.ExpressionEngine.TryAddAlias*">TryAddAlias Method
</h1>
<div class="markdown level0 summary"></div>
<div class="markdown level0 conceptual"></div>



<a id="C1_CalcEngine_ExpressionEngine_ExpressionEngine_TryAddAlias_" data-uid="C1.CalcEngine.ExpressionEngine.ExpressionEngine.TryAddAlias*"></a>
<h4 id="C1_CalcEngine_ExpressionEngine_ExpressionEngine_TryAddAlias_System_String_System_String_" data-uid="C1.CalcEngine.ExpressionEngine.ExpressionEngine.TryAddAlias(System.String,System.String)">TryAddAlias(string, string)</h4>
<div class="markdown level1 summary"><p>Tries to add an alias for a field from DataSource.</p>
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<div class="markdown level1 conceptual"></div>
<h5 class="declaration">Declaration</h5>
<div class="codewrapper">
  <pre><code class="lang-csharp hljs">public bool TryAddAlias(string field, string alias)</code></pre>
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<div class="codewrapper">
  <pre><code class="lang-vbnet hljs">Public Function TryAddAlias(field As String, [alias] As String) As Boolean</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>
    </tr>
  </thead>
  <tbody>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.string">string</a></td>
      <td><span class="parametername">field</span></td>
      <td><p>The field name from DataSource.</p>
</td>
    </tr>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.string">string</a></td>
      <td><span class="parametername">alias</span></td>
      <td><p>The alias of field.</p>
</td>
    </tr>
  </tbody>
</table>
<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>A return value indicates whether the operation succeeded.</p>
</td>
    </tr>
  </tbody>
</table>
<h5 class="implements">Implements</h5>
    <div><a class="xref" href="C1.CalcEngine.ISupportAliases.TryAddAlias.html#C1_CalcEngine_ISupportAliases_TryAddAlias_System_String_System_String_">ISupportAliases.TryAddAlias(string, string)</a></div>
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