# C1.DataEngine.RuntimeColumn

## Content

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



  <h1 id="C1_DataEngine_RuntimeColumn" data-uid="C1.DataEngine.RuntimeColumn" class="text-break">RuntimeColumn Class
</h1>
  <div class="markdown level0 summary"><p>Represents a column in a C1DataEngine query.</p>
</div>
  <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"><span class="xref">RuntimeColumn</span></div>
  </div>
  <h6><strong>Namespace</strong>: <a class="xref" href="C1.DataEngine.html">C1.DataEngine</a></h6>
  <h6><strong>Assembly</strong>: C1.DataEngine.Api.dll</h6>
  <h5 id="C1_DataEngine_RuntimeColumn_syntax">Syntax</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">[DataContract]
public class RuntimeColumn</code></pre>
  </div>
  <div class="codewrapper">
    <pre><code class="lang-vbnet hljs">&lt;DataContract&gt;
Public Class RuntimeColumn</code></pre>
  </div>
  <h3 id="constructors">Constructors
</h3>
  <table class="table table-bordered table-condensed">
    <thead>
      <tr>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td id="C1_DataEngine_RuntimeColumn__ctor" data-uid="C1.DataEngine.RuntimeColumn.#ctor">
          <a class="xref" href="C1.DataEngine.RuntimeColumn.-ctor.html#C1_DataEngine_RuntimeColumn__ctor">RuntimeColumn()</a>
        </td>
        <td class="markdown level1 summary"><p>Initializes a new instance of the <a class="xref" href="C1.DataEngine.RuntimeColumn.html">RuntimeColumn</a> class.</p>
</td>
      </tr>
      <tr>
        <td id="C1_DataEngine_RuntimeColumn__ctor_System_String_System_String_System_String_" data-uid="C1.DataEngine.RuntimeColumn.#ctor(System.String,System.String,System.String)">
          <a class="xref" href="C1.DataEngine.RuntimeColumn.-ctor.html#C1_DataEngine_RuntimeColumn__ctor_System_String_System_String_System_String_">RuntimeColumn(string, string, string)</a>
        </td>
        <td class="markdown level1 summary"><p>Initializes a new instance of the <a class="xref" href="C1.DataEngine.RuntimeColumn.html">RuntimeColumn</a> class.</p>
</td>
      </tr>
      <tr>
        <td id="C1_DataEngine_RuntimeColumn__ctor_System_String___System_String_System_String_" data-uid="C1.DataEngine.RuntimeColumn.#ctor(System.String[],System.String,System.String)">
          <a class="xref" href="C1.DataEngine.RuntimeColumn.-ctor.html#C1_DataEngine_RuntimeColumn__ctor_System_String___System_String_System_String_">RuntimeColumn(string[], string, string)</a>
        </td>
        <td class="markdown level1 summary"><p>Initializes a new instance of the <a class="xref" href="C1.DataEngine.RuntimeColumn.html">RuntimeColumn</a> class.</p>
</td>
      </tr>
    </tbody>
  </table>
  <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="C1_DataEngine_RuntimeColumn_alias" data-uid="C1.DataEngine.RuntimeColumn.alias">
          <a class="xref" href="C1.DataEngine.RuntimeColumn.alias.html#C1_DataEngine_RuntimeColumn_alias">alias</a>
        </td>
        <td class="markdown level1 summary"><p>Optional alias to use for the column name.</p>
</td>
      </tr>
      <tr>
        <td id="C1_DataEngine_RuntimeColumn_names" data-uid="C1.DataEngine.RuntimeColumn.names">
          <a class="xref" href="C1.DataEngine.RuntimeColumn.names.html#C1_DataEngine_RuntimeColumn_names">names</a>
        </td>
        <td class="markdown level1 summary"><p>An array of column names (one name for unary operations, two names for binary operations).</p>
</td>
      </tr>
      <tr>
        <td id="C1_DataEngine_RuntimeColumn_op" data-uid="C1.DataEngine.RuntimeColumn.op">
          <a class="xref" href="C1.DataEngine.RuntimeColumn.op.html#C1_DataEngine_RuntimeColumn_op">op</a>
        </td>
        <td class="markdown level1 summary"><p>Case-sensitive string that denotes a column operation.</p>
</td>
      </tr>
    </tbody>
  </table>
  <h3 id="methods">Methods
</h3>
  <table class="table table-bordered table-condensed">
    <thead>
      <tr>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td id="C1_DataEngine_RuntimeColumn_requiresParent" data-uid="C1.DataEngine.RuntimeColumn.requiresParent">
          <a class="xref" href="C1.DataEngine.RuntimeColumn.requiresParent.html#C1_DataEngine_RuntimeColumn_requiresParent">requiresParent()</a>
        </td>
        <td class="markdown level1 summary"><p>Returns a value that indicates whether the column uses a DateTime operator or other construct that requires derivation from a parent query.</p>
</td>
      </tr>
    </tbody>
  </table>

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