Ajax Control Toolkit MutuallyExclusiveCheckBox 服务器端控件

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 >