I found a issue about RadComboBox control, OnClientSelectedIndexChanged event will be fired first time event there's no index change. 
This is not reasonable and may cause some critical issue.
How can I make it not fired?
Thanks,
Marvin
    
                                This is not reasonable and may cause some critical issue.
How can I make it not fired?
Thanks,
Marvin
| <%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default4.aspx.cs" Inherits="DesktopModules_Test_Default4" %> | 
| <%@ Register Assembly="Telerik.Web.UI" Namespace="Telerik.Web.UI" TagPrefix="telerik" %> | 
| <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> | 
| <html xmlns="http://www.w3.org/1999/xhtml" > | 
| <head runat="server"> | 
| <title>Untitled Page</title> | 
| </head> | 
| <body> | 
| <form id="form1" runat="server"> | 
| <div> | 
| <telerik:radscriptmanager id="RadScriptManager1" runat="server"></telerik:radscriptmanager> | 
| <telerik:radcombobox id="RadComboBox1" runat="server" OnClientSelectedIndexChanged="alert('a')"></telerik:radcombobox> | 
| </div> | 
| </form> | 
| </body> | 
| </html> | 
