# GrapeCity.ActiveReports.PageReportModel.ReportParameter

## Content

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



  <h1 id="GrapeCity_ActiveReports_PageReportModel_ReportParameter" data-uid="GrapeCity.ActiveReports.PageReportModel.ReportParameter" class="text-break">ReportParameter Class
</h1>
  <div class="markdown level0 summary"><p>Represents a parameter for the report, containing relevant information and settings.</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">ReportParameter</span></div>
  </div>
  <div class="implements">
    <h5>Implements</h5>
    <div><a class="xref" href="GrapeCity.ActiveReports.PageReportModel.IValidateable.html">IValidateable</a></div>
    <div><a class="xref" href="https://learn.microsoft.com/dotnet/api/system.icloneable">ICloneable</a></div>
  </div>
  <h6><strong>Namespace</strong>: <a class="xref" href="GrapeCity.ActiveReports.PageReportModel.html">GrapeCity.ActiveReports.PageReportModel</a></h6>
  <h6><strong>Assembly</strong>: MESCIUS.ActiveReports.Core.Rdl.dll</h6>
  <h5 id="GrapeCity_ActiveReports_PageReportModel_ReportParameter_syntax">Syntax</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public sealed class ReportParameter : IValidateable, ICloneable</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_PageReportModel_ReportParameter__ctor" data-uid="GrapeCity.ActiveReports.PageReportModel.ReportParameter.#ctor">
          <a class="xref" href="GrapeCity.ActiveReports.PageReportModel.ReportParameter.-ctor.html#GrapeCity_ActiveReports_PageReportModel_ReportParameter__ctor">ReportParameter()</a>
        </td>
        <td class="markdown level1 summary"><p>Initializes a new instance of the <a class="xref" href="GrapeCity.ActiveReports.PageReportModel.ReportParameter.html">ReportParameter</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_PageReportModel_ReportParameter_AllowBlank" data-uid="GrapeCity.ActiveReports.PageReportModel.ReportParameter.AllowBlank">
          <a class="xref" href="GrapeCity.ActiveReports.PageReportModel.ReportParameter.AllowBlank.html#GrapeCity_ActiveReports_PageReportModel_ReportParameter_AllowBlank">AllowBlank</a>
        </td>
        <td class="markdown level1 summary"><p>Gets or sets a value indicating whether the parameter value can be an empty string.</p>
</td>
      </tr>
      <tr>
        <td id="GrapeCity_ActiveReports_PageReportModel_ReportParameter_DataType" data-uid="GrapeCity.ActiveReports.PageReportModel.ReportParameter.DataType">
          <a class="xref" href="GrapeCity.ActiveReports.PageReportModel.ReportParameter.DataType.html#GrapeCity_ActiveReports_PageReportModel_ReportParameter_DataType">DataType</a>
        </td>
        <td class="markdown level1 summary"><p>Gets or sets a data type of the parameter.</p>
</td>
      </tr>
      <tr>
        <td id="GrapeCity_ActiveReports_PageReportModel_ReportParameter_DateOnly" data-uid="GrapeCity.ActiveReports.PageReportModel.ReportParameter.DateOnly">
          <a class="xref" href="GrapeCity.ActiveReports.PageReportModel.ReportParameter.DateOnly.html#GrapeCity_ActiveReports_PageReportModel_ReportParameter_DateOnly">DateOnly</a>
        </td>
        <td class="markdown level1 summary"><p>Gets or sets a value indicating whether the parameter contains only a date without a time component.</p>
</td>
      </tr>
      <tr>
        <td id="GrapeCity_ActiveReports_PageReportModel_ReportParameter_DefaultValue" data-uid="GrapeCity.ActiveReports.PageReportModel.ReportParameter.DefaultValue">
          <a class="xref" href="GrapeCity.ActiveReports.PageReportModel.ReportParameter.DefaultValue.html#GrapeCity_ActiveReports_PageReportModel_ReportParameter_DefaultValue">DefaultValue</a>
        </td>
        <td class="markdown level1 summary"><p>Gets or sets a default value for the parameter, used if none is provided by the user.</p>
</td>
      </tr>
      <tr>
        <td id="GrapeCity_ActiveReports_PageReportModel_ReportParameter_DisplayFormat" data-uid="GrapeCity.ActiveReports.PageReportModel.ReportParameter.DisplayFormat">
          <a class="xref" href="GrapeCity.ActiveReports.PageReportModel.ReportParameter.DisplayFormat.html#GrapeCity_ActiveReports_PageReportModel_ReportParameter_DisplayFormat">DisplayFormat</a>
        </td>
        <td class="markdown level1 summary"><p>Gets or sets a display format for the parameter.</p>
</td>
      </tr>
      <tr>
        <td id="GrapeCity_ActiveReports_PageReportModel_ReportParameter_EnableEmptyArray" data-uid="GrapeCity.ActiveReports.PageReportModel.ReportParameter.EnableEmptyArray">
          <a class="xref" href="GrapeCity.ActiveReports.PageReportModel.ReportParameter.EnableEmptyArray.html#GrapeCity_ActiveReports_PageReportModel_ReportParameter_EnableEmptyArray">EnableEmptyArray</a>
        </td>
        <td class="markdown level1 summary"><p>Gets or sets whether an empty array is a valid parameter value.</p>
</td>
      </tr>
      <tr>
        <td id="GrapeCity_ActiveReports_PageReportModel_ReportParameter_Hidden" data-uid="GrapeCity.ActiveReports.PageReportModel.ReportParameter.Hidden">
          <a class="xref" href="GrapeCity.ActiveReports.PageReportModel.ReportParameter.Hidden.html#GrapeCity_ActiveReports_PageReportModel_ReportParameter_Hidden">Hidden</a>
        </td>
        <td class="markdown level1 summary"><p>Gets or sets a value indicating whether this parameter should be visible to the end user.</p>
</td>
      </tr>
      <tr>
        <td id="GrapeCity_ActiveReports_PageReportModel_ReportParameter_MultiValue" data-uid="GrapeCity.ActiveReports.PageReportModel.ReportParameter.MultiValue">
          <a class="xref" href="GrapeCity.ActiveReports.PageReportModel.ReportParameter.MultiValue.html#GrapeCity_ActiveReports_PageReportModel_ReportParameter_MultiValue">MultiValue</a>
        </td>
        <td class="markdown level1 summary"><p>Gets or sets a value indicating whether multiple values for the parameter are allowed.</p>
</td>
      </tr>
      <tr>
        <td id="GrapeCity_ActiveReports_PageReportModel_ReportParameter_Multiline" data-uid="GrapeCity.ActiveReports.PageReportModel.ReportParameter.Multiline">
          <a class="xref" href="GrapeCity.ActiveReports.PageReportModel.ReportParameter.Multiline.html#GrapeCity_ActiveReports_PageReportModel_ReportParameter_Multiline">Multiline</a>
        </td>
        <td class="markdown level1 summary"><p>Gets or sets a value indicating whether the parameter is intended to accept multiline values.</p>
</td>
      </tr>
      <tr>
        <td id="GrapeCity_ActiveReports_PageReportModel_ReportParameter_Name" data-uid="GrapeCity.ActiveReports.PageReportModel.ReportParameter.Name">
          <a class="xref" href="GrapeCity.ActiveReports.PageReportModel.ReportParameter.Name.html#GrapeCity_ActiveReports_PageReportModel_ReportParameter_Name">Name</a>
        </td>
        <td class="markdown level1 summary"><p>Gets or sets a name of the parameter, which is used when expressions refer to the parameter.</p>
</td>
      </tr>
      <tr>
        <td id="GrapeCity_ActiveReports_PageReportModel_ReportParameter_Nullable" data-uid="GrapeCity.ActiveReports.PageReportModel.ReportParameter.Nullable">
          <a class="xref" href="GrapeCity.ActiveReports.PageReportModel.ReportParameter.Nullable.html#GrapeCity_ActiveReports_PageReportModel_ReportParameter_Nullable">Nullable</a>
        </td>
        <td class="markdown level1 summary"><p>Gets or sets a value indicating whether the parameter value can be null.</p>
</td>
      </tr>
      <tr>
        <td id="GrapeCity_ActiveReports_PageReportModel_ReportParameter_Prompt" data-uid="GrapeCity.ActiveReports.PageReportModel.ReportParameter.Prompt">
          <a class="xref" href="GrapeCity.ActiveReports.PageReportModel.ReportParameter.Prompt.html#GrapeCity_ActiveReports_PageReportModel_ReportParameter_Prompt">Prompt</a>
        </td>
        <td class="markdown level1 summary"><p>Gets or sets a user prompt displayed when asking for parameter values.</p>
</td>
      </tr>
      <tr>
        <td id="GrapeCity_ActiveReports_PageReportModel_ReportParameter_SelectAllValue" data-uid="GrapeCity.ActiveReports.PageReportModel.ReportParameter.SelectAllValue">
          <a class="xref" href="GrapeCity.ActiveReports.PageReportModel.ReportParameter.SelectAllValue.html#GrapeCity_ActiveReports_PageReportModel_ReportParameter_SelectAllValue">SelectAllValue</a>
        </td>
        <td class="markdown level1 summary"><p>Gets or sets the value passed when the &quot;Select All&quot; option is chosen for a multiline parameter.</p>
</td>
      </tr>
      <tr>
        <td id="GrapeCity_ActiveReports_PageReportModel_ReportParameter_UsedInQuery" data-uid="GrapeCity.ActiveReports.PageReportModel.ReportParameter.UsedInQuery">
          <a class="xref" href="GrapeCity.ActiveReports.PageReportModel.ReportParameter.UsedInQuery.html#GrapeCity_ActiveReports_PageReportModel_ReportParameter_UsedInQuery">UsedInQuery</a>
        </td>
        <td class="markdown level1 summary"><p>Gets or sets a value indicating whether the parameter is used in a query within the report.</p>
</td>
      </tr>
      <tr>
        <td id="GrapeCity_ActiveReports_PageReportModel_ReportParameter_ValidValues" data-uid="GrapeCity.ActiveReports.PageReportModel.ReportParameter.ValidValues">
          <a class="xref" href="GrapeCity.ActiveReports.PageReportModel.ReportParameter.ValidValues.html#GrapeCity_ActiveReports_PageReportModel_ReportParameter_ValidValues">ValidValues</a>
        </td>
        <td class="markdown level1 summary"><p>Gets or sets the possible values for the parameter, used in an end-user prompting interface.</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_PageReportModel_ReportParameter_Clone" data-uid="GrapeCity.ActiveReports.PageReportModel.ReportParameter.Clone">
          <a class="xref" href="GrapeCity.ActiveReports.PageReportModel.ReportParameter.Clone.html#GrapeCity_ActiveReports_PageReportModel_ReportParameter_Clone">Clone()</a>
        </td>
        <td class="markdown level1 summary"><p>Creates a new object that is a copy of the current instance.</p>
</td>
      </tr>
      <tr>
        <td id="GrapeCity_ActiveReports_PageReportModel_ReportParameter_Validate_GrapeCity_ActiveReports_PageReportModel_ValidationContext_" data-uid="GrapeCity.ActiveReports.PageReportModel.ReportParameter.Validate(GrapeCity.ActiveReports.PageReportModel.ValidationContext)">
          <a class="xref" href="GrapeCity.ActiveReports.PageReportModel.ReportParameter.Validate.html#GrapeCity_ActiveReports_PageReportModel_ReportParameter_Validate_GrapeCity_ActiveReports_PageReportModel_ValidationContext_">Validate(ValidationContext)</a>
        </td>
        <td class="markdown level1 summary"><p>Validates the information in each property of the <a class="xref" href="GrapeCity.ActiveReports.PageReportModel.ReportParameter.html">ReportParameter</a> object.</p>
</td>
      </tr>
    </tbody>
  </table>
  <h3 id="extensionmethods">Extension Methods</h3>
  <div>
      <a class="xref" href="GrapeCity.ActiveReports.Rdl.Tools.CollectionExtensions.AddRange.html#GrapeCity_ActiveReports_Rdl_Tools_CollectionExtensions_AddRange__2___0_System_Collections_Generic_IEnumerable___1__">CollectionExtensions.AddRange&lt;TCollection, TItem&gt;(TCollection, IEnumerable&lt;TItem&gt;)</a>
  </div>

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