# C1.Web.Mvc.SelectorBase-1.OnClientColumnChanging

## Content

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<h1 id="C1_Web_Mvc_SelectorBase_1_OnClientColumnChanging_" data-uid="C1.Web.Mvc.SelectorBase`1.OnClientColumnChanging*">OnClientColumnChanging Property
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<a id="C1_Web_Mvc_SelectorBase_1_OnClientColumnChanging_" data-uid="C1.Web.Mvc.SelectorBase`1.OnClientColumnChanging*"></a>
<h4 id="C1_Web_Mvc_SelectorBase_1_OnClientColumnChanging" data-uid="C1.Web.Mvc.SelectorBase`1.OnClientColumnChanging">OnClientColumnChanging</h4>
<div class="markdown level1 summary"><p>Occurs before the value of the column property changes.</p>
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<h5 class="declaration">Declaration</h5>
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  <pre><code class="lang-csharp hljs">public virtual string OnClientColumnChanging { get; set; }</code></pre>
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  <pre><code class="lang-vbnet hljs">Public Overridable Property OnClientColumnChanging As String</code></pre>
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