flight.cs

ASP.net实现的在线航空订票查询系统

            internal DataColumn PriceColumn {
                get {
                    return this.columnPrice;
                }
            }
            
            internal DataColumn DiscountColumn {
                get {
                    return this.columnDiscount;
                }
            }
            
            internal DataColumn FlightId_0Column {
                get {
                    return this.columnFlightId_0;
                }
            }
            
            public CabinRow this[int index] {
                get {
                    return ((CabinRow)(this.Rows[index]));
                }
            }
            
            public event CabinRowChangeEventHandler CabinRowChanged;
            
            public event CabinRowChangeEventHandler CabinRowChanging;
            
            public event CabinRowChangeEventHandler CabinRowDeleted;
            
            public event CabinRowChangeEventHandler CabinRowDeleting;
            
            public void AddCabinRow(CabinRow row) {
                this.Rows.Add(row);
            }
            
            public CabinRow AddCabinRow(string CabinName, FlightRow parentFlightRowByFlightCabin, int RemainTickets, string Type, System.Decimal Price, System.Double Discount, FlightRow parentFlightRowByFlight_Cabin) {
                CabinRow rowCabinRow = ((CabinRow)(this.NewRow()));
                rowCabinRow.ItemArray = new object[] {
                        null,
                        CabinName,
                        parentFlightRowByFlightCabin[0],
                        RemainTickets,
                        Type,
                        Price,
                        Discount,
                        parentFlightRowByFlight_Cabin[0]};
                this.Rows.Add(rowCabinRow);
                return rowCabinRow;
            }
            
            public CabinRow FindByCabinId(int CabinId) {
                return ((CabinRow)(this.Rows.Find(new object[] {
                            CabinId})));
            }
            
            public System.Collections.IEnumerator GetEnumerator() {
                return this.Rows.GetEnumerator();
            }
            
            public override DataTable Clone() {
                CabinDataTable cln = ((CabinDataTable)(base.Clone()));
                cln.InitVars();
                return cln;
            }
            
            protected override DataTable CreateInstance() {
                return new CabinDataTable();
            }
            
            internal void InitVars() {
                this.columnCabinId = this.Columns["CabinId"];
                this.columnCabinName = this.Columns["CabinName"];
                this.columnFlightId = this.Columns["FlightId"];
                this.columnRemainTickets = this.Columns["RemainTickets"];
                this.columnType = this.Columns["Type"];
                this.columnPrice = this.Columns["Price"];
                this.columnDiscount = this.Columns["Discount"];
                this.columnFlightId_0 = this.Columns["FlightId_0"];
            }
            
            private void InitClass() {
                this.columnCabinId = new DataColumn("CabinId", typeof(int), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnCabinId);
                this.columnCabinName = new DataColumn("CabinName", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnCabinName);
                this.columnFlightId = new DataColumn("FlightId", typeof(int), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnFlightId);
                this.columnRemainTickets = new DataColumn("RemainTickets", typeof(int), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnRemainTickets);
                this.columnType = new DataColumn("Type", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnType);
                this.columnPrice = new DataColumn("Price", typeof(System.Decimal), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnPrice);
                this.columnDiscount = new DataColumn("Discount", typeof(System.Double), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnDiscount);
                this.columnFlightId_0 = new DataColumn("FlightId_0", typeof(int), null, System.Data.MappingType.Hidden);
                this.Columns.Add(this.columnFlightId_0);
                this.Constraints.Add(new UniqueConstraint("FlightDataKey2", new DataColumn[] {
                                this.columnCabinId}, true));
                this.columnCabinId.AutoIncrement = true;
                this.columnCabinId.AllowDBNull = false;
                this.columnCabinId.ReadOnly = true;
                this.columnCabinId.Unique = true;
                this.columnCabinName.AllowDBNull = false;
                this.columnFlightId.AllowDBNull = false;
                this.columnRemainTickets.AllowDBNull = false;
                this.columnType.AllowDBNull = false;
                this.columnPrice.AllowDBNull = false;
            }
            
            public CabinRow NewCabinRow() {
                return ((CabinRow)(this.NewRow()));
            }
            
            protected override DataRow NewRowFromBuilder(DataRowBuilder builder) {
                return new CabinRow(builder);
            }
            
            protected override System.Type GetRowType() {
                return typeof(CabinRow);
            }
            
            protected override void OnRowChanged(DataRowChangeEventArgs e) {
                base.OnRowChanged(e);
                if ((this.CabinRowChanged != null)) {
                    this.CabinRowChanged(this, new CabinRowChangeEvent(((CabinRow)(e.Row)), e.Action));
                }
            }
            
            protected override void OnRowChanging(DataRowChangeEventArgs e) {
                base.OnRowChanging(e);
                if ((this.CabinRowChanging != null)) {
                    this.CabinRowChanging(this, new CabinRowChangeEvent(((CabinRow)(e.Row)), e.Action));
                }
            }
            
            protected override void OnRowDeleted(DataRowChangeEventArgs e) {
                base.OnRowDeleted(e);
                if ((this.CabinRowDeleted != null)) {
                    this.CabinRowDeleted(this, new CabinRowChangeEvent(((CabinRow)(e.Row)), e.Action));
                }
            }
            
            protected override void OnRowDeleting(DataRowChangeEventArgs e) {
                base.OnRowDeleting(e);
                if ((this.CabinRowDeleting != null)) {
                    this.CabinRowDeleting(this, new CabinRowChangeEvent(((CabinRow)(e.Row)), e.Action));
                }
            }
            
            public void RemoveCabinRow(CabinRow row) {
                this.Rows.Remove(row);
            }
        }
        
        [System.Diagnostics.DebuggerStepThrough()]
        public class CabinRow : DataRow {
            
            private CabinDataTable tableCabin;
            
            internal CabinRow(DataRowBuilder rb) : 
                    base(rb) {
                this.tableCabin = ((CabinDataTable)(this.Table));
            }
            
            public int CabinId {
                get {
                    return ((int)(this[this.tableCabin.CabinIdColumn]));
                }
                set {
                    this[this.tableCabin.CabinIdColumn] = value;
                }
            }
            
            public string CabinName {
                get {
                    return ((string)(this[this.tableCabin.CabinNameColumn]));
                }
                set {
                    this[this.tableCabin.CabinNameColumn] = value;
                }
            }
            
            public int FlightId {
                get {
                    return ((int)(this[this.tableCabin.FlightIdColumn]));
                }
                set {
                    this[this.tableCabin.FlightIdColumn] = value;
                }
            }
            
            public int RemainTickets {
                get {
                    return ((int)(this[this.tableCabin.RemainTicketsColumn]));
                }
                set {
                    this[this.tableCabin.RemainTicketsColumn] = value;
                }
            }
            
            public string Type {
                get {
                    return ((string)(this[this.tableCabin.TypeColumn]));
                }
                set {
                    this[this.tableCabin.TypeColumn] = value;
                }
            }
            
            public System.Decimal Price {
                get {
                    return ((System.Decimal)(this[this.tableCabin.PriceColumn]));
                }
                set {
                    this[this.tableCabin.PriceColumn] = value;
                }
            }
            
            public System.Double Discount {
                get {
                    try {
                        return ((System.Double)(this[this.tableCabin.DiscountColumn]));
                    }
                    catch (InvalidCastException e) {
						return 10;
					}
                }
                set {
                    this[this.tableCabin.DiscountColumn] = value;
                }
            }
            
            public FlightRow FlightRowByFlight_Cabin {
                get {
                    return ((FlightRow)(this.GetParentRow(this.Table.ParentRelations["Flight_Cabin"])));
                }
                set {
                    this.SetParentRow(value, this.Table.ParentRelations["Flight_Cabin"]);
                }
            }
            
            public FlightRow FlightRowByFlightCabin {
                get {
                    return ((FlightRow)(this.GetParentRow(this.Table.ParentRelations["FlightCabin"])));
                }
                set {
                    this.SetParentRow(value, this.Table.ParentRelations["FlightCabin"]);
                }
            }
            
            public bool IsDiscountNull() {
                return this.IsNull(this.tableCabin.DiscountColumn);
            }
            
            public void SetDiscountNull() {
                this[this.tableCabin.DiscountColumn] = System.Convert.DBNull;
            }
        }
        
        [System.Diagnostics.DebuggerStepThrough()]
        public class CabinRowChangeEvent : EventArgs {
            
            private CabinRow eventRow;
            
            private DataRowAction eventAction;
            
            public CabinRowChangeEvent(CabinRow row, DataRowAction action) {
                this.eventRow = row;
                this.eventAction = action;
            }
            
            public CabinRow Row {
                get {
                    return this.eventRow;
                }
            }
            
            public DataRowAction Action {
                get {
                    return this.eventAction;
                }
            }
        }
    }
}