页面可以有多个ScriptManagers吗？如果是,则需要在什么条件下？ MSDN说不,你不能超过一个(强调我的)： A page can contain only one ScriptManager control in its hierarchy. To register services and scripts for nes
A page can contain only one ScriptManager control in its hierarchy. To register services and scripts for nested pages, user controls, or components when the parent page already has a ScriptManager control, use the ScriptManagerProxy control. For more information, see Using the ASP.NET UpdatePanel Control with Master Pages