dataset1.cs

进销存

                rowProductsRow.ItemArray = new object[] {
                        null,
                        ProductName,
                        UnitPrice,
                        UnitsInStock,
                        SupplierID};
                this.Rows.Add(rowProductsRow);
                return rowProductsRow;
            }
            
            public ProductsRow FindByProductID(int ProductID) {
                return ((ProductsRow)(this.Rows.Find(new object[] {
                            ProductID})));
            }
            
            public System.Collections.IEnumerator GetEnumerator() {
                return this.Rows.GetEnumerator();
            }
            
            public override DataTable Clone() {
                ProductsDataTable cln = ((ProductsDataTable)(base.Clone()));
                cln.InitVars();
                return cln;
            }
            
            protected override DataTable CreateInstance() {
                return new ProductsDataTable();
            }
            
            internal void InitVars() {
                this.columnProductID = this.Columns["ProductID"];
                this.columnProductName = this.Columns["ProductName"];
                this.columnUnitPrice = this.Columns["UnitPrice"];
                this.columnUnitsInStock = this.Columns["UnitsInStock"];
                this.columnSupplierID = this.Columns["SupplierID"];
            }
            
            private void InitClass() {
                this.columnProductID = new DataColumn("ProductID", typeof(int), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnProductID);
                this.columnProductName = new DataColumn("ProductName", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnProductName);
                this.columnUnitPrice = new DataColumn("UnitPrice", typeof(System.Decimal), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnUnitPrice);
                this.columnUnitsInStock = new DataColumn("UnitsInStock", typeof(short), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnUnitsInStock);
                this.columnSupplierID = new DataColumn("SupplierID", typeof(int), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnSupplierID);
                this.Constraints.Add(new UniqueConstraint("Constraint1", new DataColumn[] {
                                this.columnProductID}, true));
                this.columnProductID.AutoIncrement = true;
                this.columnProductID.AllowDBNull = false;
                this.columnProductID.ReadOnly = true;
                this.columnProductID.Unique = true;
                this.columnProductName.AllowDBNull = false;
            }
            
            public ProductsRow NewProductsRow() {
                return ((ProductsRow)(this.NewRow()));
            }
            
            protected override DataRow NewRowFromBuilder(DataRowBuilder builder) {
                return new ProductsRow(builder);
            }
            
            protected override System.Type GetRowType() {
                return typeof(ProductsRow);
            }
            
            protected override void OnRowChanged(DataRowChangeEventArgs e) {
                base.OnRowChanged(e);
                if ((this.ProductsRowChanged != null)) {
                    this.ProductsRowChanged(this, new ProductsRowChangeEvent(((ProductsRow)(e.Row)), e.Action));
                }
            }
            
            protected override void OnRowChanging(DataRowChangeEventArgs e) {
                base.OnRowChanging(e);
                if ((this.ProductsRowChanging != null)) {
                    this.ProductsRowChanging(this, new ProductsRowChangeEvent(((ProductsRow)(e.Row)), e.Action));
                }
            }
            
            protected override void OnRowDeleted(DataRowChangeEventArgs e) {
                base.OnRowDeleted(e);
                if ((this.ProductsRowDeleted != null)) {
                    this.ProductsRowDeleted(this, new ProductsRowChangeEvent(((ProductsRow)(e.Row)), e.Action));
                }
            }
            
            protected override void OnRowDeleting(DataRowChangeEventArgs e) {
                base.OnRowDeleting(e);
                if ((this.ProductsRowDeleting != null)) {
                    this.ProductsRowDeleting(this, new ProductsRowChangeEvent(((ProductsRow)(e.Row)), e.Action));
                }
            }
            
            public void RemoveProductsRow(ProductsRow row) {
                this.Rows.Remove(row);
            }
        }
        
        [System.Diagnostics.DebuggerStepThrough()]
        public class ProductsRow : DataRow {
            
            private ProductsDataTable tableProducts;
            
            internal ProductsRow(DataRowBuilder rb) : 
                    base(rb) {
                this.tableProducts = ((ProductsDataTable)(this.Table));
            }
            
            public int ProductID {
                get {
                    return ((int)(this[this.tableProducts.ProductIDColumn]));
                }
                set {
                    this[this.tableProducts.ProductIDColumn] = value;
                }
            }
            
            public string ProductName {
                get {
                    return ((string)(this[this.tableProducts.ProductNameColumn]));
                }
                set {
                    this[this.tableProducts.ProductNameColumn] = value;
                }
            }
            
            public System.Decimal UnitPrice {
                get {
                    try {
                        return ((System.Decimal)(this[this.tableProducts.UnitPriceColumn]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("无法获取值，因为它是 DBNull。", e);
                    }
                }
                set {
                    this[this.tableProducts.UnitPriceColumn] = value;
                }
            }
            
            public short UnitsInStock {
                get {
                    try {
                        return ((short)(this[this.tableProducts.UnitsInStockColumn]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("无法获取值，因为它是 DBNull。", e);
                    }
                }
                set {
                    this[this.tableProducts.UnitsInStockColumn] = value;
                }
            }
            
            public int SupplierID {
                get {
                    try {
                        return ((int)(this[this.tableProducts.SupplierIDColumn]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("无法获取值，因为它是 DBNull。", e);
                    }
                }
                set {
                    this[this.tableProducts.SupplierIDColumn] = value;
                }
            }
            
            public bool IsUnitPriceNull() {
                return this.IsNull(this.tableProducts.UnitPriceColumn);
            }
            
            public void SetUnitPriceNull() {
                this[this.tableProducts.UnitPriceColumn] = System.Convert.DBNull;
            }
            
            public bool IsUnitsInStockNull() {
                return this.IsNull(this.tableProducts.UnitsInStockColumn);
            }
            
            public void SetUnitsInStockNull() {
                this[this.tableProducts.UnitsInStockColumn] = System.Convert.DBNull;
            }
            
            public bool IsSupplierIDNull() {
                return this.IsNull(this.tableProducts.SupplierIDColumn);
            }
            
            public void SetSupplierIDNull() {
                this[this.tableProducts.SupplierIDColumn] = System.Convert.DBNull;
            }
        }
        
        [System.Diagnostics.DebuggerStepThrough()]
        public class ProductsRowChangeEvent : EventArgs {
            
            private ProductsRow eventRow;
            
            private DataRowAction eventAction;
            
            public ProductsRowChangeEvent(ProductsRow row, DataRowAction action) {
                this.eventRow = row;
                this.eventAction = action;
            }
            
            public ProductsRow Row {
                get {
                    return this.eventRow;
                }
            }
            
            public DataRowAction Action {
                get {
                    return this.eventAction;
                }
            }
        }
    }
}