# GrapeCity.ActiveReports.Core.Rendering.ReportParameters.ParameterCollection

## Content

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



  <h1 id="GrapeCity_ActiveReports_Core_Rendering_ReportParameters_ParameterCollection" data-uid="GrapeCity.ActiveReports.Core.Rendering.ReportParameters.ParameterCollection" class="text-break">ParameterCollection Class
</h1>
  <div class="markdown level0 summary"><p>A Collection of Parameter objects.</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"><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.collections.objectmodel.collection-1">Collection</a>&lt;<a class="xref" href="GrapeCity.ActiveReports.Core.Rendering.ReportParameters.Parameter.html">Parameter</a>&gt;</div>
    <div class="level2"><span class="xref">ParameterCollection</span></div>
  </div>
  <div class="implements">
    <h5>Implements</h5>
    <div><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.collections.generic.ilist-1">IList</a>&lt;<a class="xref" href="GrapeCity.ActiveReports.Core.Rendering.ReportParameters.Parameter.html">Parameter</a>&gt;</div>
    <div><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.collections.generic.icollection-1">ICollection</a>&lt;<a class="xref" href="GrapeCity.ActiveReports.Core.Rendering.ReportParameters.Parameter.html">Parameter</a>&gt;</div>
    <div><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.collections.ilist">IList</a></div>
    <div><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.collections.icollection">ICollection</a></div>
    <div><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.collections.generic.ireadonlylist-1">IReadOnlyList</a>&lt;<a class="xref" href="GrapeCity.ActiveReports.Core.Rendering.ReportParameters.Parameter.html">Parameter</a>&gt;</div>
    <div><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.collections.generic.ireadonlycollection-1">IReadOnlyCollection</a>&lt;<a class="xref" href="GrapeCity.ActiveReports.Core.Rendering.ReportParameters.Parameter.html">Parameter</a>&gt;</div>
    <div><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.collections.generic.ienumerable-1">IEnumerable</a>&lt;<a class="xref" href="GrapeCity.ActiveReports.Core.Rendering.ReportParameters.Parameter.html">Parameter</a>&gt;</div>
    <div><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.collections.ienumerable">IEnumerable</a></div>
  </div>
  <h6><strong>Namespace</strong>: <a class="xref" href="GrapeCity.ActiveReports.Core.Rendering.ReportParameters.html">GrapeCity.ActiveReports.Core.Rendering.ReportParameters</a></h6>
  <h6><strong>Assembly</strong>: MESCIUS.ActiveReports.Core.Rendering.dll</h6>
  <h5 id="GrapeCity_ActiveReports_Core_Rendering_ReportParameters_ParameterCollection_syntax">Syntax</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public sealed class ParameterCollection : Collection&lt;Parameter&gt;, IList&lt;Parameter&gt;, ICollection&lt;Parameter&gt;, IList, ICollection, IReadOnlyList&lt;Parameter&gt;, IReadOnlyCollection&lt;Parameter&gt;, IEnumerable&lt;Parameter&gt;, IEnumerable</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="GrapeCity_ActiveReports_Core_Rendering_ReportParameters_ParameterCollection__ctor" data-uid="GrapeCity.ActiveReports.Core.Rendering.ReportParameters.ParameterCollection.#ctor">
          <a class="xref" href="GrapeCity.ActiveReports.Core.Rendering.ReportParameters.ParameterCollection.-ctor.html#GrapeCity_ActiveReports_Core_Rendering_ReportParameters_ParameterCollection__ctor">ParameterCollection()</a>
        </td>
        <td class="markdown level1 summary"><p>Initializes a new instance of the <a class="xref" href="GrapeCity.ActiveReports.Core.Rendering.ReportParameters.ParameterCollection.html">ParameterCollection</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="GrapeCity_ActiveReports_Core_Rendering_ReportParameters_ParameterCollection_IsReadOnly" data-uid="GrapeCity.ActiveReports.Core.Rendering.ReportParameters.ParameterCollection.IsReadOnly">
          <a class="xref" href="GrapeCity.ActiveReports.Core.Rendering.ReportParameters.ParameterCollection.IsReadOnly.html#GrapeCity_ActiveReports_Core_Rendering_ReportParameters_ParameterCollection_IsReadOnly">IsReadOnly</a>
        </td>
        <td class="markdown level1 summary"><p>Gets if the collection is readonly.</p>
</td>
      </tr>
      <tr>
        <td id="GrapeCity_ActiveReports_Core_Rendering_ReportParameters_ParameterCollection_Item_System_String_" data-uid="GrapeCity.ActiveReports.Core.Rendering.ReportParameters.ParameterCollection.Item(System.String)">
          <a class="xref" href="GrapeCity.ActiveReports.Core.Rendering.ReportParameters.ParameterCollection.Item.html#GrapeCity_ActiveReports_Core_Rendering_ReportParameters_ParameterCollection_Item_System_String_">this[string]</a>
        </td>
        <td class="markdown level1 summary"><p>Gets the Parameter with the given name.</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="GrapeCity_ActiveReports_Core_Rendering_ReportParameters_ParameterCollection_ClearItems" data-uid="GrapeCity.ActiveReports.Core.Rendering.ReportParameters.ParameterCollection.ClearItems">
          <a class="xref" href="GrapeCity.ActiveReports.Core.Rendering.ReportParameters.ParameterCollection.ClearItems.html#GrapeCity_ActiveReports_Core_Rendering_ReportParameters_ParameterCollection_ClearItems">ClearItems()</a>
        </td>
        <td class="markdown level1 summary"></td>
      </tr>
      <tr>
        <td id="GrapeCity_ActiveReports_Core_Rendering_ReportParameters_ParameterCollection_Contains_System_String_" data-uid="GrapeCity.ActiveReports.Core.Rendering.ReportParameters.ParameterCollection.Contains(System.String)">
          <a class="xref" href="GrapeCity.ActiveReports.Core.Rendering.ReportParameters.ParameterCollection.Contains.html#GrapeCity_ActiveReports_Core_Rendering_ReportParameters_ParameterCollection_Contains_System_String_">Contains(string)</a>
        </td>
        <td class="markdown level1 summary"><p>Returns true if a parameter is in the collection with the specified name.</p>
</td>
      </tr>
      <tr>
        <td id="GrapeCity_ActiveReports_Core_Rendering_ReportParameters_ParameterCollection_InsertItem_System_Int32_GrapeCity_ActiveReports_Core_Rendering_ReportParameters_Parameter_" data-uid="GrapeCity.ActiveReports.Core.Rendering.ReportParameters.ParameterCollection.InsertItem(System.Int32,GrapeCity.ActiveReports.Core.Rendering.ReportParameters.Parameter)">
          <a class="xref" href="GrapeCity.ActiveReports.Core.Rendering.ReportParameters.ParameterCollection.InsertItem.html#GrapeCity_ActiveReports_Core_Rendering_ReportParameters_ParameterCollection_InsertItem_System_Int32_GrapeCity_ActiveReports_Core_Rendering_ReportParameters_Parameter_">InsertItem(int, Parameter)</a>
        </td>
        <td class="markdown level1 summary"></td>
      </tr>
      <tr>
        <td id="GrapeCity_ActiveReports_Core_Rendering_ReportParameters_ParameterCollection_RemoveItem_System_Int32_" data-uid="GrapeCity.ActiveReports.Core.Rendering.ReportParameters.ParameterCollection.RemoveItem(System.Int32)">
          <a class="xref" href="GrapeCity.ActiveReports.Core.Rendering.ReportParameters.ParameterCollection.RemoveItem.html#GrapeCity_ActiveReports_Core_Rendering_ReportParameters_ParameterCollection_RemoveItem_System_Int32_">RemoveItem(int)</a>
        </td>
        <td class="markdown level1 summary"></td>
      </tr>
      <tr>
        <td id="GrapeCity_ActiveReports_Core_Rendering_ReportParameters_ParameterCollection_SetItem_System_Int32_GrapeCity_ActiveReports_Core_Rendering_ReportParameters_Parameter_" data-uid="GrapeCity.ActiveReports.Core.Rendering.ReportParameters.ParameterCollection.SetItem(System.Int32,GrapeCity.ActiveReports.Core.Rendering.ReportParameters.Parameter)">
          <a class="xref" href="GrapeCity.ActiveReports.Core.Rendering.ReportParameters.ParameterCollection.SetItem.html#GrapeCity_ActiveReports_Core_Rendering_ReportParameters_ParameterCollection_SetItem_System_Int32_GrapeCity_ActiveReports_Core_Rendering_ReportParameters_Parameter_">SetItem(int, Parameter)</a>
        </td>
        <td class="markdown level1 summary"></td>
      </tr>
    </tbody>
  </table>
  <h3 id="extensionmethods">Extension Methods</h3>
  <div>
      <a class="xref" href="GrapeCity.ActiveReports.Extensibility.Rendering.Components.ItemCollectionExtensions.ToItemCollection.html#GrapeCity_ActiveReports_Extensibility_Rendering_Components_ItemCollectionExtensions_ToItemCollection__1_System_Collections_Generic_IEnumerable___0__">ItemCollectionExtensions.ToItemCollection&lt;T&gt;(IEnumerable&lt;T&gt;)</a>
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  <div>
      <a class="xref" href="GrapeCity.ActiveReports.Extensibility.Rendering.Components.ItemCollectionExtensions.ToLazyItemCollection.html#GrapeCity_ActiveReports_Extensibility_Rendering_Components_ItemCollectionExtensions_ToLazyItemCollection__1_System_Collections_Generic_IEnumerable___0__">ItemCollectionExtensions.ToLazyItemCollection&lt;T&gt;(IEnumerable&lt;T&gt;)</a>
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  <div>
      <a class="xref" href="GrapeCity.ActiveReports.Rendering.Tools.EnumerableExtension.ForceInBackground.html#GrapeCity_ActiveReports_Rendering_Tools_EnumerableExtension_ForceInBackground__1_System_Collections_Generic_IEnumerable___0__System_Threading_CancellationToken_">EnumerableExtension.ForceInBackground&lt;T&gt;(IEnumerable&lt;T&gt;, CancellationToken)</a>
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  <div>
      <a class="xref" href="GrapeCity.ActiveReports.Rendering.Tools.EnumerableExtension.ForceInBackground.html#GrapeCity_ActiveReports_Rendering_Tools_EnumerableExtension_ForceInBackground__1_System_Collections_Generic_IEnumerable___0__System_Threading_CancellationToken_System_Int32_">EnumerableExtension.ForceInBackground&lt;T&gt;(IEnumerable&lt;T&gt;, CancellationToken, int)</a>
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  <div>
      <a class="xref" href="GrapeCity.ActiveReports.Rendering.Tools.EnumerableExtension.SelectManyWithPrev.html#GrapeCity_ActiveReports_Rendering_Tools_EnumerableExtension_SelectManyWithPrev__2_System_Collections_Generic_IEnumerable___0__System_Func___1___0_System_Collections_Generic_IEnumerable___1___">EnumerableExtension.SelectManyWithPrev&lt;TSource, TResult&gt;(IEnumerable&lt;TSource&gt;, Func&lt;TResult, TSource, IEnumerable&lt;TResult&gt;&gt;)</a>
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  <div>
      <a class="xref" href="GrapeCity.ActiveReports.Rendering.Tools.EnumerableExtension.SelectWithPrevNext.html#GrapeCity_ActiveReports_Rendering_Tools_EnumerableExtension_SelectWithPrevNext__2_System_Collections_Generic_IEnumerable___0__System_Func___0___0___0___1__">EnumerableExtension.SelectWithPrevNext&lt;T, TResult&gt;(IEnumerable&lt;T&gt;, Func&lt;T, T, T, TResult&gt;)</a>
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  <div>
      <a class="xref" href="GrapeCity.ActiveReports.Rendering.Tools.EnumerableExtension.ThrowIfCancelled.html#GrapeCity_ActiveReports_Rendering_Tools_EnumerableExtension_ThrowIfCancelled__1_System_Collections_Generic_IEnumerable___0__System_Threading_CancellationToken_">EnumerableExtension.ThrowIfCancelled&lt;T&gt;(IEnumerable&lt;T&gt;, CancellationToken)</a>
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  <div>
      <a class="xref" href="GrapeCity.ActiveReports.Rendering.Tools.EnumerableExtension.WithCancellation.html#GrapeCity_ActiveReports_Rendering_Tools_EnumerableExtension_WithCancellation__1_System_Collections_Generic_IEnumerable___0__System_Threading_CancellationToken_">EnumerableExtension.WithCancellation&lt;T&gt;(IEnumerable&lt;T&gt;, CancellationToken)</a>
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  <div>
      <a class="xref" href="GrapeCity.ActiveReports.Rendering.Tools.EnumerableExtension.WithProgress.html#GrapeCity_ActiveReports_Rendering_Tools_EnumerableExtension_WithProgress__2_System_Collections_Generic_IEnumerable___0__System_IProgress___1__System_Func___0___1__">EnumerableExtension.WithProgress&lt;T, T2&gt;(IEnumerable&lt;T&gt;, IProgress&lt;T2&gt;, Func&lt;T, T2&gt;)</a>
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  <div>
      <a class="xref" href="GrapeCity.ActiveReports.Extensibility.Rendering.Components.ItemCollectionExtensions.ToItemCollection.html#GrapeCity_ActiveReports_Extensibility_Rendering_Components_ItemCollectionExtensions_ToItemCollection__1_System_Collections_Generic_IList___0__">ItemCollectionExtensions.ToItemCollection&lt;T&gt;(IList&lt;T&gt;)</a>
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  <div>
      <a class="xref" href="GrapeCity.ActiveReports.Rendering.Tools.EnumerableExtension.Range.html#GrapeCity_ActiveReports_Rendering_Tools_EnumerableExtension_Range__1_System_Collections_Generic_IList___0__System_Int32_System_Int32_">EnumerableExtension.Range&lt;T&gt;(IList&lt;T&gt;, int, int)</a>
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  <div>
      <a class="xref" href="GrapeCity.ActiveReports.Core.Rendering.Tools.ObjectExtensions.IsNumber.html#GrapeCity_ActiveReports_Core_Rendering_Tools_ObjectExtensions_IsNumber_System_Object_">ObjectExtensions.IsNumber(object)</a>
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