MutuallyExclusiveCheckBox控件实现复选框互斥功能

属性列表：
TargetControlID:被控制控件的ID
Key: 区分互斥复选框的键值（两个互斥复选框的要一样）

实例解析一、简单实现
   

 1<form id="form1" runat="server">
 2    <div>
 3        <asp:ScriptManager ID="ScriptManager1" runat="server">
 4        </asp:ScriptManager>
 5    
 6    </div>
 7        <asp:CheckBox ID="net" runat="server" Text="net" />
 8        <asp:CheckBox ID="jsp" runat="server" Text="jsp" /><br />
 9        <asp:CheckBox ID="aspnet" runat="server" Text="aspnet"/>
10        <asp:CheckBox ID="java" runat="server" Text="java" />
11        <cc1:MutuallyExclusiveCheckBoxExtender ID="MutuallyExclusiveCheckBoxExtender1" runat="server"
12            Key="one" TargetControlID="net">
13        </cc1:MutuallyExclusiveCheckBoxExtender>
14        <cc1:MutuallyExclusiveCheckBoxExtender ID="MutuallyExclusiveCheckBoxExtender2" runat="server"
15            Key="two" TargetControlID="jsp">
16        </cc1:MutuallyExclusiveCheckBoxExtender>
17        <cc1:MutuallyExclusiveCheckBoxExtender ID="MutuallyExclusiveCheckBoxExtender3" runat="server"
18            TargetControlID="aspnet" Key="two">
19        </cc1:MutuallyExclusiveCheckBoxExtender>
20        <cc1:MutuallyExclusiveCheckBoxExtender ID="MutuallyExclusiveCheckBoxExtender4" runat="server" TargetControlID="java" Key="one">
21        </cc1:MutuallyExclusiveCheckBoxExtender>
22    </form>