HYTOS

                    string[] valvetag = drPathitem["GROUPTAG"].ToString().Split(new string[] { "\\" }, StringSplitOptions.None);

                    DataRow[] pathItemRows = PathItems.Select(string.Format("PipeSystemNetwork_OID = '{0}'", drPathitem["PipeSystemNetwork_OID"].ToString()));

                    ValveGroupItem valveitem = ValveGrouping.ValveGroupItems.Where(x => x.SppidSymbolName == valvetag[0]).FirstOrDefault();

                    Dictionary<int, List<DataRow>> keyValuePairs = new Dictionary<int, List<DataRow>>();

                    List<Item> valveGroupingItem = new List<Item>();

                    int bCnt = 0;

                    List<DataRow> lstitem = new List<DataRow>();

                    foreach (DataRow dr in pathItemRows)

                    {

                        if (!string.IsNullOrEmpty(dr["BranchTopologySet_OID"].ToString()))

                        {