# C1.DataConnector.AdoNet.C1ConnectionBase.GetSchema

## Content

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



<h1 id="C1_DataConnector_AdoNet_C1ConnectionBase_GetSchema_" data-uid="C1.DataConnector.AdoNet.C1ConnectionBase.GetSchema*">GetSchema Method
</h1>
<div class="markdown level0 summary"></div>
<div class="markdown level0 conceptual"></div>



<a id="C1_DataConnector_AdoNet_C1ConnectionBase_GetSchema_" data-uid="C1.DataConnector.AdoNet.C1ConnectionBase.GetSchema*"></a>
<h4 id="C1_DataConnector_AdoNet_C1ConnectionBase_GetSchema" data-uid="C1.DataConnector.AdoNet.C1ConnectionBase.GetSchema">GetSchema()</h4>
<div class="markdown level1 summary"><p>Returns schema information for the data source of this <a class="xref" href="../C1.AdoNet.CSV/C1.DataConnector.AdoNet.C1ConnectionBase.html">C1ConnectionBase</a>.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="declaration">Declaration</h5>
<div class="codewrapper">
  <pre><code class="lang-csharp hljs">public override DataTable GetSchema()</code></pre>
</div>
<div class="codewrapper">
  <pre><code class="lang-vbnet hljs">Public Overrides Function GetSchema() As DataTable</code></pre>
</div>
<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.data.datatable">DataTable</a></td>
      <td><p>A <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.data.datatable">DataTable</a> that contains schema information.</p>
</td>
    </tr>
  </tbody>
</table>
<h5 class="overrides">Overrides</h5>
<div><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.data.common.dbconnection.getschema#system-data-common-dbconnection-getschema">DbConnection.GetSchema()</a></div>


<a id="C1_DataConnector_AdoNet_C1ConnectionBase_GetSchema_" data-uid="C1.DataConnector.AdoNet.C1ConnectionBase.GetSchema*"></a>
<h4 id="C1_DataConnector_AdoNet_C1ConnectionBase_GetSchema_System_String_" data-uid="C1.DataConnector.AdoNet.C1ConnectionBase.GetSchema(System.String)">GetSchema(string)</h4>
<div class="markdown level1 summary"><p>Returns schema information for the data source of this <a class="xref" href="../C1.AdoNet.CSV/C1.DataConnector.AdoNet.C1ConnectionBase.html">C1ConnectionBase</a> using the specified string for the schema name.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="declaration">Declaration</h5>
<div class="codewrapper">
  <pre><code class="lang-csharp hljs">public override DataTable GetSchema(string collectionName)</code></pre>
</div>
<div class="codewrapper">
  <pre><code class="lang-vbnet hljs">Public Overrides Function GetSchema(collectionName As String) As DataTable</code></pre>
</div>
<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-condensed">
  <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">collectionName</span></td>
      <td><p>Specifies the name of the schema to return.</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.data.datatable">DataTable</a></td>
      <td><p>A <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.data.datatable">DataTable</a> that contains schema information.</p>
</td>
    </tr>
  </tbody>
</table>
<h5 class="overrides">Overrides</h5>
<div><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.data.common.dbconnection.getschema#system-data-common-dbconnection-getschema(system-string)">DbConnection.GetSchema(string)</a></div>


<a id="C1_DataConnector_AdoNet_C1ConnectionBase_GetSchema_" data-uid="C1.DataConnector.AdoNet.C1ConnectionBase.GetSchema*"></a>
<h4 id="C1_DataConnector_AdoNet_C1ConnectionBase_GetSchema_System_String_System_String___" data-uid="C1.DataConnector.AdoNet.C1ConnectionBase.GetSchema(System.String,System.String[])">GetSchema(string, string[])</h4>
<div class="markdown level1 summary"><p>Returns schema information for the data source of this <a class="xref" href="../C1.AdoNet.CSV/C1.DataConnector.AdoNet.C1ConnectionBase.html">C1ConnectionBase</a> using the specified string
for the schema name and the specified string array for the restriction values.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="declaration">Declaration</h5>
<div class="codewrapper">
  <pre><code class="lang-csharp hljs">public override DataTable GetSchema(string collectionName, string[] restrictionValues)</code></pre>
</div>
<div class="codewrapper">
  <pre><code class="lang-vbnet hljs">Public Overrides Function GetSchema(collectionName As String, restrictionValues As String()) As DataTable</code></pre>
</div>
<h5 class="parameters">Parameters</h5>
<table class="table table-bordered table-condensed">
  <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">collectionName</span></td>
      <td><p>Specifies the name of the schema to return.</p>
</td>
    </tr>
    <tr>
      <td><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.string">string</a>[]</td>
      <td><span class="parametername">restrictionValues</span></td>
      <td><p>Specifies a set of restriction values for the requested schema.</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.data.datatable">DataTable</a></td>
      <td><p>A <a class="xref" href="https://learn.microsoft.com/dotnet/api/system.data.datatable">DataTable</a> that contains schema information.</p>
</td>
    </tr>
  </tbody>
</table>
<h5 class="overrides">Overrides</h5>
<div><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.data.common.dbconnection.getschema#system-data-common-dbconnection-getschema(system-string-system-string())">DbConnection.GetSchema(string, string[])</a></div>
</div>