# C1.Web.Mvc.Fluent.MultiSelectBuilder-1

## Content

<div class="doc-site-dotnet-api-container">



  <h1 id="C1_Web_Mvc_Fluent_MultiSelectBuilder_1" data-uid="C1.Web.Mvc.Fluent.MultiSelectBuilder`1" class="text-break">MultiSelectBuilder&lt;T&gt; Class
</h1>
  <div class="markdown level0 summary"><p>Defines a builder to configurate <a class="xref" href="C1.Web.Mvc.MultiSelect-1.html">MultiSelect&lt;T&gt;</a>.</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">HideObjectMembers</span></div>
    <div class="level2"><a class="xref" href="C1.Web.Mvc.Fluent.BaseBuilder-2.html">BaseBuilder</a>&lt;<a class="xref" href="C1.Web.Mvc.MultiSelect-1.html">MultiSelect</a>&lt;T&gt;, <a class="xref" href="C1.Web.Mvc.Fluent.MultiSelectBuilder-1.html">MultiSelectBuilder</a>&lt;T&gt;&gt;</div>
    <div class="level3"><a class="xref" href="C1.Web.Mvc.Fluent.ComponentBuilder-2.html">ComponentBuilder</a>&lt;<a class="xref" href="C1.Web.Mvc.MultiSelect-1.html">MultiSelect</a>&lt;T&gt;, <a class="xref" href="C1.Web.Mvc.Fluent.MultiSelectBuilder-1.html">MultiSelectBuilder</a>&lt;T&gt;&gt;</div>
    <div class="level4"><a class="xref" href="C1.Web.Mvc.Fluent.ControlBuilder-2.html">ControlBuilder</a>&lt;<a class="xref" href="C1.Web.Mvc.MultiSelect-1.html">MultiSelect</a>&lt;T&gt;, <a class="xref" href="C1.Web.Mvc.Fluent.MultiSelectBuilder-1.html">MultiSelectBuilder</a>&lt;T&gt;&gt;</div>
    <div class="level5"><a class="xref" href="C1.Web.Mvc.Fluent.ItemsBoundControlBuilder-3.html">ItemsBoundControlBuilder</a>&lt;T, <a class="xref" href="C1.Web.Mvc.MultiSelect-1.html">MultiSelect</a>&lt;T&gt;, <a class="xref" href="C1.Web.Mvc.Fluent.MultiSelectBuilder-1.html">MultiSelectBuilder</a>&lt;T&gt;&gt;</div>
    <div class="level6"><a class="xref" href="C1.Web.Mvc.Fluent.DropDownBuilder-3.html">DropDownBuilder</a>&lt;T, <a class="xref" href="C1.Web.Mvc.MultiSelect-1.html">MultiSelect</a>&lt;T&gt;, <a class="xref" href="C1.Web.Mvc.Fluent.MultiSelectBuilder-1.html">MultiSelectBuilder</a>&lt;T&gt;&gt;</div>
    <div class="level7"><a class="xref" href="C1.Web.Mvc.Fluent.ComboBoxBaseBuilder-3.html">ComboBoxBaseBuilder</a>&lt;T, <a class="xref" href="C1.Web.Mvc.MultiSelect-1.html">MultiSelect</a>&lt;T&gt;, <a class="xref" href="C1.Web.Mvc.Fluent.MultiSelectBuilder-1.html">MultiSelectBuilder</a>&lt;T&gt;&gt;</div>
    <div class="level8"><span class="xref">MultiSelectBuilder&lt;T&gt;</span></div>
  </div>
  <div class="implements">
    <h5>Implements</h5>
    <div><a class="xref" href="https://learn.microsoft.com/dotnet/api/microsoft.aspnetcore.html.ihtmlcontent">IHtmlContent</a></div>
  </div>
  <h6><strong>Namespace</strong>: <a class="xref" href="C1.Web.Mvc.Fluent.html">C1.Web.Mvc.Fluent</a></h6>
  <h6><strong>Assembly</strong>: C1.AspNetCore.Mvc.dll</h6>
  <h5 id="C1_Web_Mvc_Fluent_MultiSelectBuilder_1_syntax">Syntax</h5>
  <div class="codewrapper">
    <pre><code class="lang-csharp hljs">public class MultiSelectBuilder&lt;T&gt; : ComboBoxBaseBuilder&lt;T, MultiSelect&lt;T&gt;, MultiSelectBuilder&lt;T&gt;&gt;, IHtmlContent</code></pre>
  </div>
  <div class="codewrapper">
    <pre><code class="lang-vbnet hljs">Public Class MultiSelectBuilder(Of T)
    Inherits ComboBoxBaseBuilder(Of T, MultiSelect(Of T), MultiSelectBuilder(Of T))
    Implements IHtmlContent</code></pre>
  </div>
  <h5 class="typeParameters">Type Parameters</h5>
  <table class="table table-bordered table-condensed">
    <thead>
      <tr>
        <th>Name</th>
        <th>Description</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td><span class="parametername">T</span></td>
        <td></td>
      </tr>
    </tbody>
  </table>
  <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="C1_Web_Mvc_Fluent_MultiSelectBuilder_1__ctor_C1_Web_Mvc_MultiSelect__0__" data-uid="C1.Web.Mvc.Fluent.MultiSelectBuilder`1.#ctor(C1.Web.Mvc.MultiSelect{`0})">
          <a class="xref" href="C1.Web.Mvc.Fluent.MultiSelectBuilder-1.-ctor.html#C1_Web_Mvc_Fluent_MultiSelectBuilder_1__ctor_C1_Web_Mvc_MultiSelect__0__">MultiSelectBuilder(MultiSelect&lt;T&gt;)</a>
        </td>
        <td class="markdown level1 summary"><p>Creates one <a class="xref" href="C1.Web.Mvc.Fluent.MultiSelectBuilder-1.html">MultiSelectBuilder&lt;T&gt;</a> instance to configurate <code class="paramref">component</code>.</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="C1_Web_Mvc_Fluent_MultiSelectBuilder_1_CheckOnFilter_System_Boolean_" data-uid="C1.Web.Mvc.Fluent.MultiSelectBuilder`1.CheckOnFilter(System.Boolean)">
          <a class="xref" href="C1.Web.Mvc.Fluent.MultiSelectBuilder-1.CheckOnFilter.html#C1_Web_Mvc_Fluent_MultiSelectBuilder_1_CheckOnFilter_System_Boolean_">CheckOnFilter(bool)</a>
        </td>
        <td class="markdown level1 summary"><p>Configurates <a class="xref" href="C1.Web.Mvc.MultiSelect-1.CheckOnFilter.html#C1_Web_Mvc_MultiSelect_1_CheckOnFilter">CheckOnFilter</a>.
Sets a value that determines whether the MultiSelectListBox in the drop-down should automatically select all the filtered items when the filter text changes.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Web_Mvc_Fluent_MultiSelectBuilder_1_CheckedIndexes_System_Collections_Generic_IList_System_Int32__" data-uid="C1.Web.Mvc.Fluent.MultiSelectBuilder`1.CheckedIndexes(System.Collections.Generic.IList{System.Int32})">
          <a class="xref" href="C1.Web.Mvc.Fluent.MultiSelectBuilder-1.CheckedIndexes.html#C1_Web_Mvc_Fluent_MultiSelectBuilder_1_CheckedIndexes_System_Collections_Generic_IList_System_Int32__">CheckedIndexes(IList&lt;int&gt;)</a>
        </td>
        <td class="markdown level1 summary"><p>Configurates <a class="xref" href="C1.Web.Mvc.MultiSelect-1.CheckedIndexes.html#C1_Web_Mvc_MultiSelect_1_CheckedIndexes">CheckedIndexes</a>.
Sets a list containing the indexes of checked items.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Web_Mvc_Fluent_MultiSelectBuilder_1_CheckedIndexes_System_Int32___" data-uid="C1.Web.Mvc.Fluent.MultiSelectBuilder`1.CheckedIndexes(System.Int32[])">
          <a class="xref" href="C1.Web.Mvc.Fluent.MultiSelectBuilder-1.CheckedIndexes.html#C1_Web_Mvc_Fluent_MultiSelectBuilder_1_CheckedIndexes_System_Int32___">CheckedIndexes(params int[])</a>
        </td>
        <td class="markdown level1 summary"><p>Sets the CheckedIndexes property.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Web_Mvc_Fluent_MultiSelectBuilder_1_CheckedMemberPath_System_String_" data-uid="C1.Web.Mvc.Fluent.MultiSelectBuilder`1.CheckedMemberPath(System.String)">
          <a class="xref" href="C1.Web.Mvc.Fluent.MultiSelectBuilder-1.CheckedMemberPath.html#C1_Web_Mvc_Fluent_MultiSelectBuilder_1_CheckedMemberPath_System_String_">CheckedMemberPath(string)</a>
        </td>
        <td class="markdown level1 summary"><p>Configurates <a class="xref" href="C1.Web.Mvc.MultiSelect-1.CheckedMemberPath.html#C1_Web_Mvc_MultiSelect_1_CheckedMemberPath">CheckedMemberPath</a>.
Sets the name of the property used to control the checkboxes placed next to each item.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Web_Mvc_Fluent_MultiSelectBuilder_1_CheckedValues_System_Collections_Generic_IEnumerable_System_Object__" data-uid="C1.Web.Mvc.Fluent.MultiSelectBuilder`1.CheckedValues(System.Collections.Generic.IEnumerable{System.Object})">
          <a class="xref" href="C1.Web.Mvc.Fluent.MultiSelectBuilder-1.CheckedValues.html#C1_Web_Mvc_Fluent_MultiSelectBuilder_1_CheckedValues_System_Collections_Generic_IEnumerable_System_Object__">CheckedValues(IEnumerable&lt;object&gt;)</a>
        </td>
        <td class="markdown level1 summary"><p>Configurates <a class="xref" href="C1.Web.Mvc.MultiSelect-1.CheckedValues.html#C1_Web_Mvc_MultiSelect_1_CheckedValues">CheckedValues</a>.
Sets a list containing the item-values that are currently checked.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Web_Mvc_Fluent_MultiSelectBuilder_1_CheckedValues_System_Object___" data-uid="C1.Web.Mvc.Fluent.MultiSelectBuilder`1.CheckedValues(System.Object[])">
          <a class="xref" href="C1.Web.Mvc.Fluent.MultiSelectBuilder-1.CheckedValues.html#C1_Web_Mvc_Fluent_MultiSelectBuilder_1_CheckedValues_System_Object___">CheckedValues(params object[])</a>
        </td>
        <td class="markdown level1 summary"><p>Sets the CheckedValues property.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Web_Mvc_Fluent_MultiSelectBuilder_1_Delay_System_Int32_" data-uid="C1.Web.Mvc.Fluent.MultiSelectBuilder`1.Delay(System.Int32)">
          <a class="xref" href="C1.Web.Mvc.Fluent.MultiSelectBuilder-1.Delay.html#C1_Web_Mvc_Fluent_MultiSelectBuilder_1_Delay_System_Int32_">Delay(int)</a>
        </td>
        <td class="markdown level1 summary"><p>Configurates <a class="xref" href="C1.Web.Mvc.MultiSelect-1.Delay.html#C1_Web_Mvc_MultiSelect_1_Delay">Delay</a>.
Sets the delay, in milliseconds, between when a keystroke occurs and when the search is performed to update the filter. This property is relevant only when the ShowFilterInput property is set to true.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Web_Mvc_Fluent_MultiSelectBuilder_1_FilterInputPlaceholder_System_String_" data-uid="C1.Web.Mvc.Fluent.MultiSelectBuilder`1.FilterInputPlaceholder(System.String)">
          <a class="xref" href="C1.Web.Mvc.Fluent.MultiSelectBuilder-1.FilterInputPlaceholder.html#C1_Web_Mvc_Fluent_MultiSelectBuilder_1_FilterInputPlaceholder_System_String_">FilterInputPlaceholder(string)</a>
        </td>
        <td class="markdown level1 summary"><p>Configurates <a class="xref" href="C1.Web.Mvc.MultiSelect-1.FilterInputPlaceholder.html#C1_Web_Mvc_MultiSelect_1_FilterInputPlaceholder">FilterInputPlaceholder</a>.
Sets the string used as a placeholder for the filter input element on the drop-down.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Web_Mvc_Fluent_MultiSelectBuilder_1_HeaderFormat_System_String_" data-uid="C1.Web.Mvc.Fluent.MultiSelectBuilder`1.HeaderFormat(System.String)">
          <a class="xref" href="C1.Web.Mvc.Fluent.MultiSelectBuilder-1.HeaderFormat.html#C1_Web_Mvc_Fluent_MultiSelectBuilder_1_HeaderFormat_System_String_">HeaderFormat(string)</a>
        </td>
        <td class="markdown level1 summary"><p>Configurates <a class="xref" href="C1.Web.Mvc.MultiSelect-1.HeaderFormat.html#C1_Web_Mvc_MultiSelect_1_HeaderFormat">HeaderFormat</a>.
Sets the format string used to create the header content when the control has more than MaxHeaderItems items checked.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Web_Mvc_Fluent_MultiSelectBuilder_1_HeaderFormatter_System_String_" data-uid="C1.Web.Mvc.Fluent.MultiSelectBuilder`1.HeaderFormatter(System.String)">
          <a class="xref" href="C1.Web.Mvc.Fluent.MultiSelectBuilder-1.HeaderFormatter.html#C1_Web_Mvc_Fluent_MultiSelectBuilder_1_HeaderFormatter_System_String_">HeaderFormatter(string)</a>
        </td>
        <td class="markdown level1 summary"><p>Configurates <a class="xref" href="C1.Web.Mvc.MultiSelect-1.HeaderFormatter.html#C1_Web_Mvc_MultiSelect_1_HeaderFormatter">HeaderFormatter</a>.
Sets a function that gets the HTML in the control header.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Web_Mvc_Fluent_MultiSelectBuilder_1_MaxHeaderItems_System_Int32_" data-uid="C1.Web.Mvc.Fluent.MultiSelectBuilder`1.MaxHeaderItems(System.Int32)">
          <a class="xref" href="C1.Web.Mvc.Fluent.MultiSelectBuilder-1.MaxHeaderItems.html#C1_Web_Mvc_Fluent_MultiSelectBuilder_1_MaxHeaderItems_System_Int32_">MaxHeaderItems(int)</a>
        </td>
        <td class="markdown level1 summary"><p>Configurates <a class="xref" href="C1.Web.Mvc.MultiSelect-1.MaxHeaderItems.html#C1_Web_Mvc_MultiSelect_1_MaxHeaderItems">MaxHeaderItems</a>.
Sets the maximum number of items to display on the control header.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Web_Mvc_Fluent_MultiSelectBuilder_1_Name_System_String_" data-uid="C1.Web.Mvc.Fluent.MultiSelectBuilder`1.Name(System.String)">
          <a class="xref" href="C1.Web.Mvc.Fluent.MultiSelectBuilder-1.Name.html#C1_Web_Mvc_Fluent_MultiSelectBuilder_1_Name_System_String_">Name(string)</a>
        </td>
        <td class="markdown level1 summary"><p>Sets the Name property.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Web_Mvc_Fluent_MultiSelectBuilder_1_OnClientCheckedItemsChanged_System_String_" data-uid="C1.Web.Mvc.Fluent.MultiSelectBuilder`1.OnClientCheckedItemsChanged(System.String)">
          <a class="xref" href="C1.Web.Mvc.Fluent.MultiSelectBuilder-1.OnClientCheckedItemsChanged.html#C1_Web_Mvc_Fluent_MultiSelectBuilder_1_OnClientCheckedItemsChanged_System_String_">OnClientCheckedItemsChanged(string)</a>
        </td>
        <td class="markdown level1 summary"><p>Configurates the <a class="xref" href="C1.Web.Mvc.MultiSelect-1.OnClientCheckedItemsChanged.html#C1_Web_Mvc_MultiSelect_1_OnClientCheckedItemsChanged">OnClientCheckedItemsChanged</a> client event.
Occurs when the value of the checked items changes.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Web_Mvc_Fluent_MultiSelectBuilder_1_SelectAllLabel_System_String_" data-uid="C1.Web.Mvc.Fluent.MultiSelectBuilder`1.SelectAllLabel(System.String)">
          <a class="xref" href="C1.Web.Mvc.Fluent.MultiSelectBuilder-1.SelectAllLabel.html#C1_Web_Mvc_Fluent_MultiSelectBuilder_1_SelectAllLabel_System_String_">SelectAllLabel(string)</a>
        </td>
        <td class="markdown level1 summary"><p>Configurates <a class="xref" href="C1.Web.Mvc.MultiSelect-1.SelectAllLabel.html#C1_Web_Mvc_MultiSelect_1_SelectAllLabel">SelectAllLabel</a>.
Sets the string to be used as a label for the &quot;Select All&quot; checkbox that is displayed when the ShowSelectAllCheckbox property is set to true.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Web_Mvc_Fluent_MultiSelectBuilder_1_ShowFilterInput_System_Boolean_" data-uid="C1.Web.Mvc.Fluent.MultiSelectBuilder`1.ShowFilterInput(System.Boolean)">
          <a class="xref" href="C1.Web.Mvc.Fluent.MultiSelectBuilder-1.ShowFilterInput.html#C1_Web_Mvc_Fluent_MultiSelectBuilder_1_ShowFilterInput_System_Boolean_">ShowFilterInput(bool)</a>
        </td>
        <td class="markdown level1 summary"><p>Configurates <a class="xref" href="C1.Web.Mvc.MultiSelect-1.ShowFilterInput.html#C1_Web_Mvc_MultiSelect_1_ShowFilterInput">ShowFilterInput</a>.
Sets whether the control should display a &quot;filter&quot; input above the items to filter the items displayed.</p>
</td>
      </tr>
      <tr>
        <td id="C1_Web_Mvc_Fluent_MultiSelectBuilder_1_ShowSelectAllCheckbox_System_Boolean_" data-uid="C1.Web.Mvc.Fluent.MultiSelectBuilder`1.ShowSelectAllCheckbox(System.Boolean)">
          <a class="xref" href="C1.Web.Mvc.Fluent.MultiSelectBuilder-1.ShowSelectAllCheckbox.html#C1_Web_Mvc_Fluent_MultiSelectBuilder_1_ShowSelectAllCheckbox_System_Boolean_">ShowSelectAllCheckbox(bool)</a>
        </td>
        <td class="markdown level1 summary"><p>Configurates <a class="xref" href="C1.Web.Mvc.MultiSelect-1.ShowSelectAllCheckbox.html#C1_Web_Mvc_MultiSelect_1_ShowSelectAllCheckbox">ShowSelectAllCheckbox</a>.
Sets whether the control should display a &quot;Select All&quot; checkbox above the items to select or de-select all items.</p>
</td>
      </tr>
    </tbody>
  </table>

</div>
