# C1.Web.Mvc.MultiSelect-1.ShowSelectAllCheckbox

## Content

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<h1 id="C1_Web_Mvc_MultiSelect_1_ShowSelectAllCheckbox_" data-uid="C1.Web.Mvc.MultiSelect`1.ShowSelectAllCheckbox*">ShowSelectAllCheckbox Property
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<a id="C1_Web_Mvc_MultiSelect_1_ShowSelectAllCheckbox_" data-uid="C1.Web.Mvc.MultiSelect`1.ShowSelectAllCheckbox*"></a>
<h4 id="C1_Web_Mvc_MultiSelect_1_ShowSelectAllCheckbox" data-uid="C1.Web.Mvc.MultiSelect`1.ShowSelectAllCheckbox">ShowSelectAllCheckbox</h4>
<div class="markdown level1 summary"><p>Gets or sets whether the control should display a &quot;Select All&quot; checkbox above the items to select or de-select all items.</p>
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<h5 class="declaration">Declaration</h5>
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  <pre><code class="lang-csharp hljs">public bool ShowSelectAllCheckbox { get; set; }</code></pre>
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  <pre><code class="lang-vbnet hljs">Public Property ShowSelectAllCheckbox As Boolean</code></pre>
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