辛苦的劳动，被遗弃的代码

public static DataTable GetDataTable(string TableName, IDbConnection dbConnection, List<District> pDistrictList)
        {
            if (string.IsNullOrEmpty(TableName))
            {
                return null;
            }

            if(!GtMap.GxDBHelper.Database.IsExistsTable(dbConnection,DefinitionClass.STR_TABLE_NAME_DWXX))
            {
                GxDlgHelper.DevMessageBox.ShowInformation("当前连接的数据库中不存在" + DefinitionClass.STR_TABLE_NAME_DWXX+ "表！");
            }

            int iDilit = int.Parse(GtMap.GxLandHelper.RunParameter.GetAreaDeciHektare(dbConnection));
            DataRow dr;
            DataTable pTBDLMJTable = new DataTable();
            DataTable pKZMJTable=new DataTable();
            DataTable pResultTable=new DataTable();


            pResultTable.Columns.Add("Image", System.Type.GetType("System.Int32"));
            pResultTable.Columns.Add("Name", Type.GetType("System.String"));
            pResultTable.Columns.Add("TotalArea", Type.GetType("System.Double"));
            pResultTable.Columns.Add("LayerOut", Type.GetType("System.Double"));
            pResultTable.Columns.Add("Result", Type.GetType("System.Double"));
            foreach (District pDistrict in pDistrictList)
            {
                if (pDistrict.Level == 1)
                {
                    string sDLTBMJSelSQL = string.Empty;
                    string sKZMJSelSQL = string.Empty;
                    dr = pResultTable.NewRow();

                    sDLTBMJSelSQL = "SELECT SUM(TBDLMJ) AS TBDL FROM " + TableName + " WHERE ZLCDM LIKE '" + pDistrict.Code + "%'";
                    sKZMJSelSQL = "SELECT SUM(KZMJ) AS KZ FROM " + DefinitionClass.STR_TABLE_NAME_DWXX + " WHERE DWDM LIKE '" + pDistrict.Code + "%'";
                    pTBDLMJTable = GtMap.GxDBHelper.SQL.ExecuteQuery(dbConnection, sDLTBMJSelSQL);
                    pKZMJTable = GtMap.GxDBHelper.SQL.ExecuteQuery(dbConnection, sKZMJSelSQL);

                    string sTBDLArea = pTBDLMJTable.Rows[0]["TBDL"] != null ? pTBDLMJTable.Rows[0]["TBDL"].ToString() : string.Empty;
                    string sKZMJArea = pKZMJTable.Rows[0]["KZ"] != null ? pKZMJTable.Rows[0]["KZ"].ToString() : string.Empty;

                    if (sTBDLArea != "" && sKZMJArea != "")
                    {
                        dr = pResultTable.NewRow();
                        dr["TotalArea"] = GtMap.GxComHelper.Math.Rounding(Convert.ToDouble(sTBDLArea) / 10000, iDilit);
                        dr["Name"] = pDistrict.Name;
                        dr["LayerOut"] = GtMap.GxComHelper.Math.Rounding(Convert.ToDouble(sKZMJArea) / 10000, iDilit);
                        double dResultCZ = Convert.ToDouble(dr["TotalArea"]) - Convert.ToDouble(dr["LayerOut"]);
                        dr["Result"] = dResultCZ.ToString();
                        if (dResultCZ >= 0)
                        {
                            dr["Image"] = 0;
                        }
                        else
                        {
                            dr["Image"] = 1;
                        }
                        pResultTable.Rows.Add(dr);
                    }
                }
            }

            if (pResultTable != null)
            {
                return pResultTable;
            }
            else
            {
                return null;
            }
        }