Asp.Net实现局部刷新，ScriptManager和UpdatePanel控件的使用

<asp:CheckBoxList ID="LimitCollegeNo" runat="server" CellPadding="5" CellSpacing="0" DataTextField="CollegeName" DataValueField="CollegeNo" RepeatColumns="5" Width="90%" AutoPostBack="true" OnSelectedIndexChanged="LimitCollegeNo_SelectedIndexChanged">
</asp:CheckBoxList>
<asp:ScriptManager ID="ScriptManager1" runat="server" EnablePartialRendering="true">
</asp:ScriptManager>

<asp:UpdatePanel ID="UpdatePanel1" runat="server" RenderMode="Inline" UpdateMode="Conditional" ChildAsTriggers="true ">

<ContentTemplate>
    需要被刷新的控件区域等
</ContentTemplate>
<Triggers>
<asp:AsyncPostBackTrigger ControlID="LimitCollegeNo" EventName="SelectedIndexChanged" />
</Triggers>
</asp:UpdatePanel>