有上下级关系的数据导入算法

        public ActionResult ImportData(string filename, string bzid, string lxid)
        {
            System.Data.DataTable dt;
            try
            {
                dt = Excel2003.ToDataTable(filename);
            }
            catch (Exception ex)
            {
                return this.MyJson(false, ex.ToString());
            }

            int maxlevel = 0;
            for (int n = 0; n < dt.Columns.Count; n++)
            {
                string colname = dt.Columns[n].ColumnName;
                if (colname.LastIndexOf("指标", System.StringComparison.Ordinal) == -1)
                {
                    break;
                }
                else
                {
                    maxlevel++;
                }
            }

            var listError = new List<string>();
            var listModel = new List<HL_JCZB>();

            for (int i = 0; i < dt.Rows.Count; i++)
            {
                string errtitle = dt.TableName + " 第 " + (i + 1) + " 行: ";

                var model = new HL_JCZB();
                model.ZFPB = 0;
                model.LXID = lxid;
                model.BZID = bzid;
                model.PXXH = i;

                string strfz = Utils.GetString(dt.Rows[i]["分值"]);
                if (!strfz.IsDecimal())
                    listError.Add(errtitle + "分值格式错误 " + strfz);
                else
                    model.FZ = decimal.Parse(strfz);

                string strqz = Utils.GetString(dt.Rows[i]["权重"]);
                if (!strqz.IsDecimal())
                    listError.Add(errtitle + "权重格式错误 " + strqz);
                else
                    model.QZ = decimal.Parse(strqz);

                string strxszkjz = Utils.GetString(dt.Rows[i]["显示在框架中"]);
                strxszkjz = string.IsNullOrEmpty(strxszkjz) ? "0" : strxszkjz;

                if (!strxszkjz.IsInt())
                    listError.Add(errtitle + "显示在框架中格式错误 " + strxszkjz);
                else
                    model.KJXSPB = int.Parse(strxszkjz);

                string strwtgj = Utils.GetString(dt.Rows[i]["问题归集"]);
                strwtgj = string.IsNullOrEmpty(strwtgj) ? "0" : strwtgj;

                if (!strwtgj.IsInt())
                    listError.Add(errtitle + "问题归集格式错误 " + strwtgj);
                else
                    model.WTGJPB = int.Parse(strwtgj);

                model.JCFF = Utils.GetString(dt.Rows[i]["检查方法"]);
                model.PFFF = Utils.GetString(dt.Rows[i]["评分方法"]);
                model.QTBZ = Utils.GetString(dt.Rows[i]["其他帮助"]);


                // 指标id，名称，级别，上级id

                for (int a = 0; a < maxlevel; a++)
                {
                    string colvalue = Utils.GetString(dt.Rows[i][a]);
                    if (!string.IsNullOrEmpty(colvalue))
                    {
                        if (a == 0)
                        {
                            model.SJID = "ROOT";
                            int xh = listModel.Count(p => p.SJID == model.SJID) + 1;

                            model.ZBMC = colvalue;
                            model.JB = a + 1;


                            model.ZBID = bzid + (xh < 10 ? "0" + xh : xh.ToString());
                            model.ZBDM = model.ZBID;
                            model.MJPB = 1;

                            listModel.Add(model);
                        }
                        else
                        {

                            for (int j = listModel.Count - 1; j >= 0; j--)
                            {
                                if (listModel[j].JB < a + 1)
                                {
                                    model.SJID = listModel[j].ZBID;
                                    listModel[j].MJPB = 0;

                                    int xh = listModel.Count(p => p.SJID == model.SJID) + 1;

                                    model.ZBMC = colvalue;
                                    model.JB = a + 1;

                                    model.ZBID = model.SJID + (xh < 10 ? "0" + xh : xh.ToString());
                                    model.ZBDM = model.ZBID;
                                    model.MJPB = 1;

                                    listModel.Add(model);
                                    break;
                                }
                            }
                            
                        }
                    }
                }
            }

            var states = new List<DBState>();
            for (int i = 0; i < listModel.Count; i++)
            {
                states.Add(new DBState() { Name = listModel[i].MAP_INSERT, Param = listModel[i], Type = ESqlType.INSERT });
            }

            DB.Execute(states);

            return this.MyJson(true, "导入成功");
        }