1.禁用checkboxlist每个选项,

$("#<%= this.cblStudentName.ClientID%> :checkbox").each(function(){

$(this).attr("disabled","disabled");

});

2.取消禁用checkboxlist每个选项,

$("#<%= this.cblStudentName.ClientID%> :checkbox").each(function(){

$(this).removeAttr("disabled");

});