# C1.Web.Mvc.ComboBoxBase-1.OnClientSelectedIndexChanged

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<h1 id="C1_Web_Mvc_ComboBoxBase_1_OnClientSelectedIndexChanged_" data-uid="C1.Web.Mvc.ComboBoxBase`1.OnClientSelectedIndexChanged*">OnClientSelectedIndexChanged Property
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<a id="C1_Web_Mvc_ComboBoxBase_1_OnClientSelectedIndexChanged_" data-uid="C1.Web.Mvc.ComboBoxBase`1.OnClientSelectedIndexChanged*"></a>
<h4 id="C1_Web_Mvc_ComboBoxBase_1_OnClientSelectedIndexChanged" data-uid="C1.Web.Mvc.ComboBoxBase`1.OnClientSelectedIndexChanged">OnClientSelectedIndexChanged</h4>
<div class="markdown level1 summary"><p>Occurs when the value of the SelectedIndex property changes.</p>
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<h5 class="declaration">Declaration</h5>
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  <pre><code class="lang-csharp hljs">[Json(true, 1, &quot;selectedIndexChanged&quot;)]
public virtual string OnClientSelectedIndexChanged { get; set; }</code></pre>
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  <pre><code class="lang-vbnet hljs">&lt;Json(True, 1, &quot;selectedIndexChanged&quot;)&gt;
Public Overridable Property OnClientSelectedIndexChanged As String</code></pre>
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