dataset1.cs

C#自定义查询控件

            
            public bool IsHireDateNull() {
                return this.IsNull(this.tableEmployees.HireDateColumn);
            }
            
            public void SetHireDateNull() {
                this[this.tableEmployees.HireDateColumn] = System.Convert.DBNull;
            }
            
            public bool IsAddressNull() {
                return this.IsNull(this.tableEmployees.AddressColumn);
            }
            
            public void SetAddressNull() {
                this[this.tableEmployees.AddressColumn] = System.Convert.DBNull;
            }
            
            public bool IsCityNull() {
                return this.IsNull(this.tableEmployees.CityColumn);
            }
            
            public void SetCityNull() {
                this[this.tableEmployees.CityColumn] = System.Convert.DBNull;
            }
            
            public bool IsRegionNull() {
                return this.IsNull(this.tableEmployees.RegionColumn);
            }
            
            public void SetRegionNull() {
                this[this.tableEmployees.RegionColumn] = System.Convert.DBNull;
            }
            
            public bool IsPostalCodeNull() {
                return this.IsNull(this.tableEmployees.PostalCodeColumn);
            }
            
            public void SetPostalCodeNull() {
                this[this.tableEmployees.PostalCodeColumn] = System.Convert.DBNull;
            }
            
            public bool IsCountryNull() {
                return this.IsNull(this.tableEmployees.CountryColumn);
            }
            
            public void SetCountryNull() {
                this[this.tableEmployees.CountryColumn] = System.Convert.DBNull;
            }
            
            public bool IsHomePhoneNull() {
                return this.IsNull(this.tableEmployees.HomePhoneColumn);
            }
            
            public void SetHomePhoneNull() {
                this[this.tableEmployees.HomePhoneColumn] = System.Convert.DBNull;
            }
            
            public bool IsExtensionNull() {
                return this.IsNull(this.tableEmployees.ExtensionColumn);
            }
            
            public void SetExtensionNull() {
                this[this.tableEmployees.ExtensionColumn] = System.Convert.DBNull;
            }
            
            public bool IsPhotoNull() {
                return this.IsNull(this.tableEmployees.PhotoColumn);
            }
            
            public void SetPhotoNull() {
                this[this.tableEmployees.PhotoColumn] = System.Convert.DBNull;
            }
            
            public bool IsNotesNull() {
                return this.IsNull(this.tableEmployees.NotesColumn);
            }
            
            public void SetNotesNull() {
                this[this.tableEmployees.NotesColumn] = System.Convert.DBNull;
            }
            
            public bool IsReportsToNull() {
                return this.IsNull(this.tableEmployees.ReportsToColumn);
            }
            
            public void SetReportsToNull() {
                this[this.tableEmployees.ReportsToColumn] = System.Convert.DBNull;
            }
            
            public bool IsPhotoPathNull() {
                return this.IsNull(this.tableEmployees.PhotoPathColumn);
            }
            
            public void SetPhotoPathNull() {
                this[this.tableEmployees.PhotoPathColumn] = System.Convert.DBNull;
            }
        }
        
        [System.Diagnostics.DebuggerStepThrough()]
        public class EmployeesRowChangeEvent : EventArgs {
            
            private EmployeesRow eventRow;
            
            private DataRowAction eventAction;
            
            public EmployeesRowChangeEvent(EmployeesRow row, DataRowAction action) {
                this.eventRow = row;
                this.eventAction = action;
            }
            
            public EmployeesRow Row {
                get {
                    return this.eventRow;
                }
            }
            
            public DataRowAction Action {
                get {
                    return this.eventAction;
                }
            }
        }
        
        [System.Diagnostics.DebuggerStepThrough()]
        public class OrdersDataTable : DataTable, System.Collections.IEnumerable {
            
            private DataColumn columnOrderID;
            
            private DataColumn columnCustomerID;
            
            private DataColumn columnEmployeeID;
            
            private DataColumn columnOrderDate;
            
            private DataColumn columnRequiredDate;
            
            private DataColumn columnShippedDate;
            
            private DataColumn columnShipVia;
            
            private DataColumn columnFreight;
            
            private DataColumn columnShipName;
            
            private DataColumn columnShipAddress;
            
            private DataColumn columnShipCity;
            
            private DataColumn columnShipRegion;
            
            private DataColumn columnShipPostalCode;
            
            private DataColumn columnShipCountry;
            
            private DataColumn columnExpr1;
            
            private DataColumn columnProductID;
            
            private DataColumn columnUnitPrice;
            
            private DataColumn columnQuantity;
            
            private DataColumn columnDiscount;
            
            internal OrdersDataTable() : 
                    base("Orders") {
                this.InitClass();
            }
            
            internal OrdersDataTable(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 OrderIDColumn {
                get {
                    return this.columnOrderID;
                }
            }
            
            internal DataColumn CustomerIDColumn {
                get {
                    return this.columnCustomerID;
                }
            }
            
            internal DataColumn EmployeeIDColumn {
                get {
                    return this.columnEmployeeID;
                }
            }
            
            internal DataColumn OrderDateColumn {
                get {
                    return this.columnOrderDate;
                }
            }
            
            internal DataColumn RequiredDateColumn {
                get {
                    return this.columnRequiredDate;
                }
            }
            
            internal DataColumn ShippedDateColumn {
                get {
                    return this.columnShippedDate;
                }
            }
            
            internal DataColumn ShipViaColumn {
                get {
                    return this.columnShipVia;
                }
            }
            
            internal DataColumn FreightColumn {
                get {
                    return this.columnFreight;
                }
            }
            
            internal DataColumn ShipNameColumn {
                get {
                    return this.columnShipName;
                }
            }
            
            internal DataColumn ShipAddressColumn {
                get {
                    return this.columnShipAddress;
                }
            }
            
            internal DataColumn ShipCityColumn {
                get {
                    return this.columnShipCity;
                }
            }
            
            internal DataColumn ShipRegionColumn {
                get {
                    return this.columnShipRegion;
                }
            }
            
            internal DataColumn ShipPostalCodeColumn {
                get {
                    return this.columnShipPostalCode;
                }
            }
            
            internal DataColumn ShipCountryColumn {
                get {
                    return this.columnShipCountry;
                }
            }
            
            internal DataColumn Expr1Column {
                get {
                    return this.columnExpr1;
                }
            }
            
            internal DataColumn ProductIDColumn {
                get {
                    return this.columnProductID;
                }
            }
            
            internal DataColumn UnitPriceColumn {
                get {
                    return this.columnUnitPrice;
                }
            }
            
            internal DataColumn QuantityColumn {
                get {
                    return this.columnQuantity;
                }
            }
            
            internal DataColumn DiscountColumn {
                get {
                    return this.columnDiscount;
                }
            }
            
            public OrdersRow this[int index] {
                get {
                    return ((OrdersRow)(this.Rows[index]));
                }
            }
            
            public event OrdersRowChangeEventHandler OrdersRowChanged;
            
            public event OrdersRowChangeEventHandler OrdersRowChanging;
            
            public event OrdersRowChangeEventHandler OrdersRowDeleted;
            
            public event OrdersRowChangeEventHandler OrdersRowDeleting;
            
            public void AddOrdersRow(OrdersRow row) {
                this.Rows.Add(row);
            }
            
            public OrdersRow AddOrdersRow(
                        string CustomerID, 
                        int EmployeeID, 
                        System.DateTime OrderDate, 
                        System.DateTime RequiredDate, 
                        System.DateTime ShippedDate, 
                        int ShipVia,