ASPForums.Net RSS Feedhttp://www.aspforums.net/Handlers/RSS.ashxLatest additions to the content that appears on ASPForums.Net(c) 2019 www.aspforums.com. All rights reserved.Enable Disable Bootstrap SelectPicker DropDownList using jQuery in ASP.NetHi @jmontano,<br />Please try the following<br /><br /><a href = 'link(Threads/133993/Enable-Disable-Bootstrap-SelectPicker-DropDownList-using-jQuery-in-ASPNet/)'>Enable Disable Bootstrap SelectPicker DropDownList using jQuery in ASP.Net</a><br /><br />It might help you.<br /><br />Cheers Andrea.https://www.aspforums.net:443/Threads/125820/Enable-Disable-Bootstrap-SelectPicker-DropDownList-using-jQuery-in-ASPNet/https://www.aspforums.net:443/Threads/125820/Enable-Disable-Bootstrap-SelectPicker-DropDownList-using-jQuery-in-ASPNet/Tue, 13 Aug 2019 00:50:03 GMTEnable Disable Bootstrap SelectPicker DropDownList using jQuery in ASP.Net<p>Hi <a class="username" rel="jmontano"> jmontano</a>,</p> <p>I checked it's working refer below sample code.</p> <p>When i remove class then message is now showing.</p> <p><span style="text-decoration: underline;"><strong>HTML</strong></span></p> <pre class="brush: html">&lt;html xmlns=&#34;http://www.w3.org/1999/xhtml&#34;&gt; &lt;head runat=&#34;server&#34;&gt; &lt;title&gt;&lt;/title&gt; &lt;/head&gt; &lt;body&gt; &lt;form id=&#34;form1&#34; runat=&#34;server&#34;&gt; &lt;table border=&#34;0&#34; cellpadding=&#34;0&#34; cellspacing=&#34;0&#34;&gt; &lt;tr&gt; &lt;td&gt; &lt;/td&gt; &lt;td&gt; Please fill the following Form &lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td&gt; &amp;nbsp; &lt;/td&gt; &lt;td&gt; &amp;nbsp; &lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td&gt; City: &lt;/td&gt; &lt;td&gt; &lt;asp:DropDownList ID=&#34;ddlCities&#34; runat=&#34;server&#34; CssClass=&#34;form-control selectpicker validate[required]&#34;&gt; &lt;asp:ListItem Text=&#34;Please Select&#34; Value=&#34;&#34; /&gt; &lt;asp:ListItem Text=&#34;Mumbai&#34; Value=&#34;1&#34; /&gt; &lt;asp:ListItem Text=&#34;Delhi&#34; Value=&#34;2&#34; /&gt; &lt;asp:ListItem Text=&#34;Kolkatta&#34; Value=&#34;3&#34; /&gt; &lt;asp:ListItem Text=&#34;Chennai&#34; Value=&#34;4&#34; /&gt; &lt;/asp:DropDownList&gt; &lt;/td&gt; &lt;/tr&gt; &lt;tr&gt; &lt;td&gt; &lt;/td&gt; &lt;td&gt; &lt;asp:Button Text=&#34;Submit&#34; runat=&#34;server&#34; /&gt; &lt;/td&gt; &lt;/tr&gt; &lt;/table&gt; &lt;/form&gt; &lt;link href=&#34;ValidationEngine.css&#34; rel=&#34;stylesheet&#34; type=&#34;text/css&#34; /&gt; &lt;link rel=&#34;stylesheet&#34; href=&#34;https://maxcdn.bootstrapcdn.com/bootstrap/3.3.2/css/bootstrap.min.css&#34; /&gt; &lt;script type=&#34;text/javascript&#34; src=&#34;http://ajax.googleapis.com/ajax/libs/jquery/1.8.3/jquery.min.js&#34;&gt;&lt;/script&gt; &lt;script type=&#34;text/javascript&#34; src=&#34;http://cdn.ucb.org.br/Scripts/formValidator/js/languages/jquery.validationEngine-en.js&#34; charset=&#34;utf-8&#34;&gt;&lt;/script&gt; &lt;script type=&#34;text/javascript&#34; src=&#34;http://cdn.ucb.org.br/Scripts/formValidator/js/jquery.validationEngine.js&#34; charset=&#34;utf-8&#34;&gt;&lt;/script&gt; &lt;script type=&#34;text/javascript&#34;&gt; $(function () { $(&#39;#&lt;%=ddlCities.ClientID %&gt;&#39;).removeClass(&#34;validate[required]&#34;); $(&#34;#form1&#34;).validationEngine(&#39;attach&#39;, { promptPosition: &#34;topRight&#34; }); }); &lt;/script&gt; &lt;/body&gt; &lt;/html&gt;</pre> <p><span style="text-decoration: underline;"><strong>Screenshot</strong></span></p> <p><img src="https://i.imgur.com/cBcnOwy.gif" alt="" width="246" height="234" /></p>https://www.aspforums.net:443/Threads/125820/Enable-Disable-Bootstrap-SelectPicker-DropDownList-using-jQuery-in-ASPNet/https://www.aspforums.net:443/Threads/125820/Enable-Disable-Bootstrap-SelectPicker-DropDownList-using-jQuery-in-ASPNet/Tue, 13 Aug 2019 07:59:37 GMT