<asp:ScriptManager ID="ScriptManager1" runat="server"></asp:ScriptManager>
        <asp:UpdatePanel ID="UpdatePanel1" runat="server"><ContentTemplate>
            <input id="Text1" type="text"  runat="server"/>
            <asp:Button ID="Button1" runat="server" Text="点击按钮会把TEXT的数字*100" 
                onclick="Button1_Click" />
        </ContentTemplate></asp:UpdatePanel>