# GrapeCity.ActiveReports.Blazor.Viewer.ParameterDescriptor

## Content

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



  <h1 id="GrapeCity_ActiveReports_Blazor_Viewer_ParameterDescriptor" data-uid="GrapeCity.ActiveReports.Blazor.Viewer.ParameterDescriptor" class="text-break">ParameterDescriptor Class
</h1>
  <div class="markdown level0 summary"><p>Represents the descriptor of a report parameter.</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">ParameterDescriptor</span></div>
  </div>
  <h6><strong>Namespace</strong>: <a class="xref" href="GrapeCity.ActiveReports.Blazor.Viewer.html">GrapeCity.ActiveReports.Blazor.Viewer</a></h6>
  <h6><strong>Assembly</strong>: MESCIUS.ActiveReports.Blazor.Viewer.dll</h6>
  <h5 id="GrapeCity_ActiveReports_Blazor_Viewer_ParameterDescriptor_syntax">Syntax</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public class ParameterDescriptor</code></pre>
  </div>
  <h5 id="GrapeCity_ActiveReports_Blazor_Viewer_ParameterDescriptor_remarks"><strong>Remarks</strong></h5>
  <div class="markdown level0 remarks"><p>The <code>ParameterDescriptor</code> class provides detailed information about a report parameter, including its name, prompt, data type, and various settings related to its behavior and usage.</p>
</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_Blazor_Viewer_ParameterDescriptor__ctor" data-uid="GrapeCity.ActiveReports.Blazor.Viewer.ParameterDescriptor.#ctor">
          <a class="xref" href="GrapeCity.ActiveReports.Blazor.Viewer.ParameterDescriptor.-ctor.html#GrapeCity_ActiveReports_Blazor_Viewer_ParameterDescriptor__ctor">ParameterDescriptor()</a>
        </td>
        <td class="markdown level1 summary"></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_Blazor_Viewer_ParameterDescriptor_AllowBlank" data-uid="GrapeCity.ActiveReports.Blazor.Viewer.ParameterDescriptor.AllowBlank">
          <a class="xref" href="GrapeCity.ActiveReports.Blazor.Viewer.ParameterDescriptor.AllowBlank.html#GrapeCity_ActiveReports_Blazor_Viewer_ParameterDescriptor_AllowBlank">AllowBlank</a>
        </td>
        <td class="markdown level1 summary"><p>Gets or sets a value indicating whether the parameter allows blank values.</p>
</td>
      </tr>
      <tr>
        <td id="GrapeCity_ActiveReports_Blazor_Viewer_ParameterDescriptor_DataType" data-uid="GrapeCity.ActiveReports.Blazor.Viewer.ParameterDescriptor.DataType">
          <a class="xref" href="GrapeCity.ActiveReports.Blazor.Viewer.ParameterDescriptor.DataType.html#GrapeCity_ActiveReports_Blazor_Viewer_ParameterDescriptor_DataType">DataType</a>
        </td>
        <td class="markdown level1 summary"><p>Gets or sets the data type of the parameter.</p>
</td>
      </tr>
      <tr>
        <td id="GrapeCity_ActiveReports_Blazor_Viewer_ParameterDescriptor_DateOnly" data-uid="GrapeCity.ActiveReports.Blazor.Viewer.ParameterDescriptor.DateOnly">
          <a class="xref" href="GrapeCity.ActiveReports.Blazor.Viewer.ParameterDescriptor.DateOnly.html#GrapeCity_ActiveReports_Blazor_Viewer_ParameterDescriptor_DateOnly">DateOnly</a>
        </td>
        <td class="markdown level1 summary"><p>Gets or sets a value indicating whether the parameter should only accept date values.</p>
</td>
      </tr>
      <tr>
        <td id="GrapeCity_ActiveReports_Blazor_Viewer_ParameterDescriptor_DefaultValue" data-uid="GrapeCity.ActiveReports.Blazor.Viewer.ParameterDescriptor.DefaultValue">
          <a class="xref" href="GrapeCity.ActiveReports.Blazor.Viewer.ParameterDescriptor.DefaultValue.html#GrapeCity_ActiveReports_Blazor_Viewer_ParameterDescriptor_DefaultValue">DefaultValue</a>
        </td>
        <td class="markdown level1 summary"><p>Gets or sets the default value for the parameter.</p>
</td>
      </tr>
      <tr>
        <td id="GrapeCity_ActiveReports_Blazor_Viewer_ParameterDescriptor_DependsOn" data-uid="GrapeCity.ActiveReports.Blazor.Viewer.ParameterDescriptor.DependsOn">
          <a class="xref" href="GrapeCity.ActiveReports.Blazor.Viewer.ParameterDescriptor.DependsOn.html#GrapeCity_ActiveReports_Blazor_Viewer_ParameterDescriptor_DependsOn">DependsOn</a>
        </td>
        <td class="markdown level1 summary"><p>Gets or sets the parameters this parameter depends on.</p>
</td>
      </tr>
      <tr>
        <td id="GrapeCity_ActiveReports_Blazor_Viewer_ParameterDescriptor_Hidden" data-uid="GrapeCity.ActiveReports.Blazor.Viewer.ParameterDescriptor.Hidden">
          <a class="xref" href="GrapeCity.ActiveReports.Blazor.Viewer.ParameterDescriptor.Hidden.html#GrapeCity_ActiveReports_Blazor_Viewer_ParameterDescriptor_Hidden">Hidden</a>
        </td>
        <td class="markdown level1 summary"><p>Gets or sets a value indicating whether the parameter is hidden.</p>
</td>
      </tr>
      <tr>
        <td id="GrapeCity_ActiveReports_Blazor_Viewer_ParameterDescriptor_MultiValue" data-uid="GrapeCity.ActiveReports.Blazor.Viewer.ParameterDescriptor.MultiValue">
          <a class="xref" href="GrapeCity.ActiveReports.Blazor.Viewer.ParameterDescriptor.MultiValue.html#GrapeCity_ActiveReports_Blazor_Viewer_ParameterDescriptor_MultiValue">MultiValue</a>
        </td>
        <td class="markdown level1 summary"><p>Gets or sets a value indicating whether the parameter supports multiple values.</p>
</td>
      </tr>
      <tr>
        <td id="GrapeCity_ActiveReports_Blazor_Viewer_ParameterDescriptor_Multiline" data-uid="GrapeCity.ActiveReports.Blazor.Viewer.ParameterDescriptor.Multiline">
          <a class="xref" href="GrapeCity.ActiveReports.Blazor.Viewer.ParameterDescriptor.Multiline.html#GrapeCity_ActiveReports_Blazor_Viewer_ParameterDescriptor_Multiline">Multiline</a>
        </td>
        <td class="markdown level1 summary"><p>Gets or sets a value indicating whether the parameter supports multiline input.</p>
</td>
      </tr>
      <tr>
        <td id="GrapeCity_ActiveReports_Blazor_Viewer_ParameterDescriptor_Name" data-uid="GrapeCity.ActiveReports.Blazor.Viewer.ParameterDescriptor.Name">
          <a class="xref" href="GrapeCity.ActiveReports.Blazor.Viewer.ParameterDescriptor.Name.html#GrapeCity_ActiveReports_Blazor_Viewer_ParameterDescriptor_Name">Name</a>
        </td>
        <td class="markdown level1 summary"><p>Gets or sets the name of the parameter.</p>
</td>
      </tr>
      <tr>
        <td id="GrapeCity_ActiveReports_Blazor_Viewer_ParameterDescriptor_Nullable" data-uid="GrapeCity.ActiveReports.Blazor.Viewer.ParameterDescriptor.Nullable">
          <a class="xref" href="GrapeCity.ActiveReports.Blazor.Viewer.ParameterDescriptor.Nullable.html#GrapeCity_ActiveReports_Blazor_Viewer_ParameterDescriptor_Nullable">Nullable</a>
        </td>
        <td class="markdown level1 summary"><p>Gets or sets a value indicating whether the parameter can accept null values.</p>
</td>
      </tr>
      <tr>
        <td id="GrapeCity_ActiveReports_Blazor_Viewer_ParameterDescriptor_Prompt" data-uid="GrapeCity.ActiveReports.Blazor.Viewer.ParameterDescriptor.Prompt">
          <a class="xref" href="GrapeCity.ActiveReports.Blazor.Viewer.ParameterDescriptor.Prompt.html#GrapeCity_ActiveReports_Blazor_Viewer_ParameterDescriptor_Prompt">Prompt</a>
        </td>
        <td class="markdown level1 summary"><p>Gets or sets the prompt message that appears for the parameter.</p>
</td>
      </tr>
      <tr>
        <td id="GrapeCity_ActiveReports_Blazor_Viewer_ParameterDescriptor_SelectAllValue" data-uid="GrapeCity.ActiveReports.Blazor.Viewer.ParameterDescriptor.SelectAllValue">
          <a class="xref" href="GrapeCity.ActiveReports.Blazor.Viewer.ParameterDescriptor.SelectAllValue.html#GrapeCity_ActiveReports_Blazor_Viewer_ParameterDescriptor_SelectAllValue">SelectAllValue</a>
        </td>
        <td class="markdown level1 summary"><p>Gets or sets the value used to represent the selection of all possible items in a multi-value parameter.</p>
</td>
      </tr>
      <tr>
        <td id="GrapeCity_ActiveReports_Blazor_Viewer_ParameterDescriptor_UsedInQuery" data-uid="GrapeCity.ActiveReports.Blazor.Viewer.ParameterDescriptor.UsedInQuery">
          <a class="xref" href="GrapeCity.ActiveReports.Blazor.Viewer.ParameterDescriptor.UsedInQuery.html#GrapeCity_ActiveReports_Blazor_Viewer_ParameterDescriptor_UsedInQuery">UsedInQuery</a>
        </td>
        <td class="markdown level1 summary"><p>Gets or sets a value that indicates whether the parameter is used directly in a query.</p>
</td>
      </tr>
      <tr>
        <td id="GrapeCity_ActiveReports_Blazor_Viewer_ParameterDescriptor_ValidValues" data-uid="GrapeCity.ActiveReports.Blazor.Viewer.ParameterDescriptor.ValidValues">
          <a class="xref" href="GrapeCity.ActiveReports.Blazor.Viewer.ParameterDescriptor.ValidValues.html#GrapeCity_ActiveReports_Blazor_Viewer_ParameterDescriptor_ValidValues">ValidValues</a>
        </td>
        <td class="markdown level1 summary"><p>Gets or sets the valid values for the parameter.</p>
</td>
      </tr>
    </tbody>
  </table>

</div>