title: How to write the radcombobox selectedindexchange event in javascript?
body: <p>I don't know how to write the javascript function in radcombobox selectedIndexchange.</p>
  
  <p>ASP.NET</p>
  
  <pre><code>&lt;tr&gt;
  &lt;td&gt;
  &lt;asp:Label runat="server" ID="label73" CssClass="labels" Text="Call Response"&gt;&lt;/asp:Label&gt;
  &lt;/td&gt;
  &lt;td&gt;
  &lt;telerik:RadComboBox runat="server" Skin="Metro" ID="cbocallresponse" AutoPostBack="true" EmptyMessage="Select Call Response" ZIndex="100001"&gt;
  &lt;Items&gt;
                                                              &lt;telerik:RadComboBoxItem Value="Attended" Text="Attended" /&gt;
                                                              &lt;telerik:RadComboBoxItem Value="NoAnswer" Text="NoAnswer" /&gt;
                                                              &lt;telerik:RadComboBoxItem Value="CallBacklater" Text="CallBacklater" /&gt;
                                                              &lt;telerik:RadComboBoxItem Value="Number does not exists" Text="Number does not exists" /&gt;
                                                              &lt;telerik:RadComboBoxItem Value="Wrong Number" Text="Wrong Number" /&gt;
  &lt;/Items&gt;
  &lt;/telerik:RadComboBox&gt;
   &lt;span class="warning"&gt;*&lt;/span&gt;
                                                      &lt;asp:RequiredFieldValidator ID="RequiredFieldValidator8" runat="server" CssClass="warning" Text="Select call response" ControlToValidate="cbocallresponse" ValidationGroup="CallValidate"&gt;&lt;/asp:RequiredFieldValidator&gt;
  &lt;/td&gt;
  &lt;/tr&gt;
  </code></pre>
  
  <p>Vb.Net</p>
  
  <pre><code>Private Sub cbocallresponse_SelectedIndexChanged(ByVal sender As Object, ByVal e As Telerik.Web.UI.RadComboBoxSelectedIndexChangedEventArgs) Handles cbocallresponse.SelectedIndexChanged
          If cbocallresponse.SelectedValue = "CallBacklater" Then
              pnlSchedule.Visible = True
              popwindow(radcalllog)
          Else
              popwindow(radcalllog)
          End If
      End Sub
  </code></pre>
  
  <p>I want to write down the javascript function this selectedindexchange because i get every selectedindex its get postback. </p>