/// <summary>

        /// 根据数据类型  返回加载后的ComboBox

        /// </summary>

        /// <param name="type">分为字符型T 数字型N 时间型D 是否型B</param>

        /// <returns></returns>

        private ComboBox GetOperateCombox(string type)

        {

            try

            {

                if (dtOperate == null)

                {

                    dtOperate = Qport.Framework.DBAccess.DataAccess.Instance(QportGlobalParam.strStatDB).SelectDataTable("select * from stat_operate_define");

                }

                ComboBox cb = new ComboBox();

                cb.DropDownStyle = ComboBoxStyle.DropDownList;

                cb.DisplayMember = "operate_disp_name";

                cb.ValueMember = "operate_start_code";

                string strType;

                if (type == "N")

                {

                    strType = "num";

                }

                else if (type == "D")

                {

                    strType = "datetime";

                }

                else if (type == "B")

                {

                    strType = "bool";

                }

                else

                {

          &nb