# C1.DataConnector.C1DbParameterCollection.Contains

## Content

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



<h1 id="C1_DataConnector_C1DbParameterCollection_Contains_" data-uid="C1.DataConnector.C1DbParameterCollection.Contains*">Contains Method
</h1>
<div class="markdown level0 summary"></div>
<div class="markdown level0 conceptual"></div>



<a id="C1_DataConnector_C1DbParameterCollection_Contains_" data-uid="C1.DataConnector.C1DbParameterCollection.Contains*"></a>
<h4 id="C1_DataConnector_C1DbParameterCollection_Contains_System_String_" data-uid="C1.DataConnector.C1DbParameterCollection.Contains(System.String)">Contains(string)</h4>
<div class="markdown level1 summary"><p>Indicates whether a DbParameter with the specified name exists in the collection.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="declaration">Declaration</h5>
<div class="codewrapper">
  <pre><code class="lang-csharp hljs">public override bool Contains(string paramName)</code></pre>
</div>
<div class="codewrapper">
  <pre><code class="lang-vbnet hljs">Public Overrides Function Contains(paramName As String) As Boolean</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">paramName</span></td>
      <td><p>The name of the DbParameter to look for in the collection.</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>True if the DbParameter is in the collection; otherwise false.</p>
</td>
    </tr>
  </tbody>
</table>
<h5 class="overrides">Overrides</h5>
<div><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.data.common.dbparametercollection.contains#system-data-common-dbparametercollection-contains(system-string)">DbParameterCollection.Contains(string)</a></div>


<a id="C1_DataConnector_C1DbParameterCollection_Contains_" data-uid="C1.DataConnector.C1DbParameterCollection.Contains*"></a>
<h4 id="C1_DataConnector_C1DbParameterCollection_Contains_System_Object_" data-uid="C1.DataConnector.C1DbParameterCollection.Contains(System.Object)">Contains(object)</h4>
<div class="markdown level1 summary"><p>Indicates whether a DbParameter with the specified Value is contained in the collection.</p>
</div>
<div class="markdown level1 conceptual"></div>
<h5 class="declaration">Declaration</h5>
<div class="codewrapper">
  <pre><code class="lang-csharp hljs">public override bool Contains(object value)</code></pre>
</div>
<div class="codewrapper">
  <pre><code class="lang-vbnet hljs">Public Overrides Function Contains(value As Object) As Boolean</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.object">object</a></td>
      <td><span class="parametername">value</span></td>
      <td><p>The Value of the DbParameter to look for in the collection.</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>True if the DbParameter is in the collection; otherwise false.</p>
</td>
    </tr>
  </tbody>
</table>
<h5 class="overrides">Overrides</h5>
<div><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.data.common.dbparametercollection.contains#system-data-common-dbparametercollection-contains(system-object)">DbParameterCollection.Contains(object)</a></div>
</div>