# C1.DataEngine.Query

## Content

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  <h1 id="C1_DataEngine_Query" data-uid="C1.DataEngine.Query" class="text-break">Query Class
</h1>
  <div class="markdown level0 summary"><p>Represents a DataEngine query, that is, a table filled with rows computed by DataEngine from one or more base tables by applying query operations.</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="C1.DataEngine.Table.html">Table</a></div>
    <div class="level2"><span class="xref">Query</span></div>
      <div class="level3"><a class="xref" href="C1.DataEngine.JoinQuery.html">JoinQuery</a></div>
  </div>
  <h6><strong>Namespace</strong>: <a class="xref" href="C1.DataEngine.html">C1.DataEngine</a></h6>
  <h6><strong>Assembly</strong>: C1.DataEngine.dll</h6>
  <h5 id="C1_DataEngine_Query_syntax">Syntax</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">[DataContract]
[KnownType(typeof(ColumnCopy))]
[KnownType(typeof(ColumnOp))]
public class Query : Table</code></pre>
  </div>
  <div class="codewrapper">
    <pre><code class="lang-vbnet hljs">&lt;DataContract&gt;
&lt;KnownType(GetType(ColumnCopy))&gt;
&lt;KnownType(GetType(ColumnOp))&gt;
Public Class Query
    Inherits Table</code></pre>
  </div>
  <h3 id="fields">Fields
</h3>
  <table class="table table-bordered table-condensed">
    <thead>
      <tr>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td id="C1_DataEngine_Query__base" data-uid="C1.DataEngine.Query._base">
          <a class="xref" href="C1.DataEngine.Query._base.html">_base</a>
        </td>
        <td class="markdown level1 summary"></td>
      </tr>
      <tr>
        <td id="C1_DataEngine_Query__baseIndex" data-uid="C1.DataEngine.Query._baseIndex">
          <a class="xref" href="C1.DataEngine.Query._baseIndex.html">_baseIndex</a>
        </td>
        <td class="markdown level1 summary"></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_Query_Execute" data-uid="C1.DataEngine.Query.Execute">
          <a class="xref" href="C1.DataEngine.Query.Execute.html#C1_DataEngine_Query_Execute">Execute()</a>
        </td>
        <td class="markdown level1 summary"><p>Executes the query.</p>
</td>
      </tr>
      <tr>
        <td id="C1_DataEngine_Query_FillExpando" data-uid="C1.DataEngine.Query.FillExpando">
          <a class="xref" href="C1.DataEngine.Query.FillExpando.html#C1_DataEngine_Query_FillExpando">FillExpando()</a>
        </td>
        <td class="markdown level1 summary"></td>
      </tr>
      <tr>
        <td id="C1_DataEngine_Query_ParseProperty_System_String_System_Object_" data-uid="C1.DataEngine.Query.ParseProperty(System.String,System.Object)">
          <a class="xref" href="C1.DataEngine.Query.ParseProperty.html#C1_DataEngine_Query_ParseProperty_System_String_System_Object_">ParseProperty(string, object)</a>
        </td>
        <td class="markdown level1 summary"></td>
      </tr>
      <tr>
        <td id="C1_DataEngine_Query_ParseSettings_System_Object_" data-uid="C1.DataEngine.Query.ParseSettings(System.Object)">
          <a class="xref" href="C1.DataEngine.Query.ParseSettings.html#C1_DataEngine_Query_ParseSettings_System_Object_">ParseSettings(object)</a>
        </td>
        <td class="markdown level1 summary"></td>
      </tr>
    </tbody>
  </table>

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