CheckBOx实现全选

    <script type="text/javascript">        function SelectCheckBox(sender, id)         {            for (var i = 0; i < document.form1.elements.length; i++)             {                var e = document.form1.elements[i];                if ((e.type == 'checkbox'))                 {                    var o = e.name.lastIndexOf(id);

                    if (o != -1)                     {                        e.checked = sender.checked ? true : false;                    }                }            }        }

    </script>

<asp:CheckBox runat="server" ID="cbSelectAll"  Text="全 选" οnclick="SelectCheckBox(this,'cbJob')" />

 

<asp:CheckBox runat="server" ID="cbJob" />