northwinddataschema.cs

一个经典的apriori算法（c#实现）

            }
            
            protected override void OnRowDeleting(DataRowChangeEventArgs e) {
                base.OnRowDeleting(e);
                if ((this.OrdersTableRowDeleting != null)) {
                    this.OrdersTableRowDeleting(this, new OrdersTableRowChangeEvent(((OrdersTableRow)(e.Row)), e.Action));
                }
            }
            
            public void RemoveOrdersTableRow(OrdersTableRow row) {
                this.Rows.Remove(row);
            }
        }
        
        [System.Diagnostics.DebuggerStepThrough()]
        public class OrdersTableRow : DataRow {
            
            private OrdersTableDataTable tableOrdersTable;
            
            internal OrdersTableRow(DataRowBuilder rb) : 
                    base(rb) {
                this.tableOrdersTable = ((OrdersTableDataTable)(this.Table));
            }
            
            public int OrderID {
                get {
                    return ((int)(this[this.tableOrdersTable.OrderIDColumn]));
                }
                set {
                    this[this.tableOrdersTable.OrderIDColumn] = value;
                }
            }
        }
        
        [System.Diagnostics.DebuggerStepThrough()]
        public class OrdersTableRowChangeEvent : EventArgs {
            
            private OrdersTableRow eventRow;
            
            private DataRowAction eventAction;
            
            public OrdersTableRowChangeEvent(OrdersTableRow row, DataRowAction action) {
                this.eventRow = row;
                this.eventAction = action;
            }
            
            public OrdersTableRow Row {
                get {
                    return this.eventRow;
                }
            }
            
            public DataRowAction Action {
                get {
                    return this.eventAction;
                }
            }
        }
        
        [System.Diagnostics.DebuggerStepThrough()]
        public class OrderDetailsTableDataTable : DataTable, System.Collections.IEnumerable {
            
            private DataColumn columnProductID;
            
            private DataColumn columnOrderID;
            
            internal OrderDetailsTableDataTable() : 
                    base("OrderDetailsTable") {
                this.InitClass();
            }
            
            internal OrderDetailsTableDataTable(DataTable table) : 
                    base(table.TableName) {
                if ((table.CaseSensitive != table.DataSet.CaseSensitive)) {
                    this.CaseSensitive = table.CaseSensitive;
                }
                if ((table.Locale.ToString() != table.DataSet.Locale.ToString())) {
                    this.Locale = table.Locale;
                }
                if ((table.Namespace != table.DataSet.Namespace)) {
                    this.Namespace = table.Namespace;
                }
                this.Prefix = table.Prefix;
                this.MinimumCapacity = table.MinimumCapacity;
                this.DisplayExpression = table.DisplayExpression;
            }
            
            [System.ComponentModel.Browsable(false)]
            public int Count {
                get {
                    return this.Rows.Count;
                }
            }
            
            internal DataColumn ProductIDColumn {
                get {
                    return this.columnProductID;
                }
            }
            
            internal DataColumn OrderIDColumn {
                get {
                    return this.columnOrderID;
                }
            }
            
            public OrderDetailsTableRow this[int index] {
                get {
                    return ((OrderDetailsTableRow)(this.Rows[index]));
                }
            }
            
            public event OrderDetailsTableRowChangeEventHandler OrderDetailsTableRowChanged;
            
            public event OrderDetailsTableRowChangeEventHandler OrderDetailsTableRowChanging;
            
            public event OrderDetailsTableRowChangeEventHandler OrderDetailsTableRowDeleted;
            
            public event OrderDetailsTableRowChangeEventHandler OrderDetailsTableRowDeleting;
            
            public void AddOrderDetailsTableRow(OrderDetailsTableRow row) {
                this.Rows.Add(row);
            }
            
            public OrderDetailsTableRow AddOrderDetailsTableRow(int ProductID, int OrderID) {
                OrderDetailsTableRow rowOrderDetailsTableRow = ((OrderDetailsTableRow)(this.NewRow()));
                rowOrderDetailsTableRow.ItemArray = new object[] {
                        ProductID,
                        OrderID};
                this.Rows.Add(rowOrderDetailsTableRow);
                return rowOrderDetailsTableRow;
            }
            
            public OrderDetailsTableRow FindByProductIDOrderID(int ProductID, int OrderID) {
                return ((OrderDetailsTableRow)(this.Rows.Find(new object[] {
                            ProductID,
                            OrderID})));
            }
            
            public System.Collections.IEnumerator GetEnumerator() {
                return this.Rows.GetEnumerator();
            }
            
            public override DataTable Clone() {
                OrderDetailsTableDataTable cln = ((OrderDetailsTableDataTable)(base.Clone()));
                cln.InitVars();
                return cln;
            }
            
            protected override DataTable CreateInstance() {
                return new OrderDetailsTableDataTable();
            }
            
            internal void InitVars() {
                this.columnProductID = this.Columns["ProductID"];
                this.columnOrderID = this.Columns["OrderID"];
            }
            
            private void InitClass() {
                this.columnProductID = new DataColumn("ProductID", typeof(int), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnProductID);
                this.columnOrderID = new DataColumn("OrderID", typeof(int), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnOrderID);
                this.Constraints.Add(new UniqueConstraint("Constraint1", new DataColumn[] {
                                this.columnProductID,
                                this.columnOrderID}, true));
                this.columnProductID.AllowDBNull = false;
                this.columnOrderID.AllowDBNull = false;
            }
            
            public OrderDetailsTableRow NewOrderDetailsTableRow() {
                return ((OrderDetailsTableRow)(this.NewRow()));
            }
            
            protected override DataRow NewRowFromBuilder(DataRowBuilder builder) {
                return new OrderDetailsTableRow(builder);
            }
            
            protected override System.Type GetRowType() {
                return typeof(OrderDetailsTableRow);
            }
            
            protected override void OnRowChanged(DataRowChangeEventArgs e) {
                base.OnRowChanged(e);
                if ((this.OrderDetailsTableRowChanged != null)) {
                    this.OrderDetailsTableRowChanged(this, new OrderDetailsTableRowChangeEvent(((OrderDetailsTableRow)(e.Row)), e.Action));
                }
            }
            
            protected override void OnRowChanging(DataRowChangeEventArgs e) {
                base.OnRowChanging(e);
                if ((this.OrderDetailsTableRowChanging != null)) {
                    this.OrderDetailsTableRowChanging(this, new OrderDetailsTableRowChangeEvent(((OrderDetailsTableRow)(e.Row)), e.Action));
                }
            }
            
            protected override void OnRowDeleted(DataRowChangeEventArgs e) {
                base.OnRowDeleted(e);
                if ((this.OrderDetailsTableRowDeleted != null)) {
                    this.OrderDetailsTableRowDeleted(this, new OrderDetailsTableRowChangeEvent(((OrderDetailsTableRow)(e.Row)), e.Action));
                }
            }
            
            protected override void OnRowDeleting(DataRowChangeEventArgs e) {
                base.OnRowDeleting(e);
                if ((this.OrderDetailsTableRowDeleting != null)) {
                    this.OrderDetailsTableRowDeleting(this, new OrderDetailsTableRowChangeEvent(((OrderDetailsTableRow)(e.Row)), e.Action));
                }
            }
            
            public void RemoveOrderDetailsTableRow(OrderDetailsTableRow row) {
                this.Rows.Remove(row);
            }
        }
        
        [System.Diagnostics.DebuggerStepThrough()]
        public class OrderDetailsTableRow : DataRow {
            
            private OrderDetailsTableDataTable tableOrderDetailsTable;
            
            internal OrderDetailsTableRow(DataRowBuilder rb) : 
                    base(rb) {
                this.tableOrderDetailsTable = ((OrderDetailsTableDataTable)(this.Table));
            }
            
            public int ProductID {
                get {
                    return ((int)(this[this.tableOrderDetailsTable.ProductIDColumn]));
                }
                set {
                    this[this.tableOrderDetailsTable.ProductIDColumn] = value;
                }
            }
            
            public int OrderID {
                get {
                    return ((int)(this[this.tableOrderDetailsTable.OrderIDColumn]));
                }
                set {
                    this[this.tableOrderDetailsTable.OrderIDColumn] = value;
                }
            }
        }
        
        [System.Diagnostics.DebuggerStepThrough()]
        public class OrderDetailsTableRowChangeEvent : EventArgs {
            
            private OrderDetailsTableRow eventRow;
            
            private DataRowAction eventAction;
            
            public OrderDetailsTableRowChangeEvent(OrderDetailsTableRow row, DataRowAction action) {
                this.eventRow = row;
                this.eventAction = action;
            }
            
            public OrderDetailsTableRow Row {
                get {
                    return this.eventRow;
                }
            }
            
            public DataRowAction Action {
                get {
                    return this.eventAction;
                }
            }
        }
    }
}