javascript复选框选择

         string cbSelectOnClickJS = @"
            if(this.checked)
            {
                document.getElementById('" + hidSelected.ClientID + @"').value += ',' + this.value;
            }
            else
            {
                document.getElementById('" + hidSelected.ClientID + @"').value
                = document.getElementById('" + hidSelected.ClientID + @"').value
                .replace(',' + this.value,'');
            }";//else表示去掉最后一个逗号
        checkBox.Attributes.Add("onclick", cbSelectOnClickJS);
异常的使用方法
  string strIsSpecial = "";  //判断是否特殊的选人
                try
                {
                    strIsSpecial = dic["IsSpecial"];
                }
                catch (Exception e) { }