dataset1.cs

c#网络编程及应用-刘瑞新

                    return this.columnReportsTo;
                }
            }
            
            internal DataColumn PhotoPathColumn {
                get {
                    return this.columnPhotoPath;
                }
            }
            
            public EmployeesRow this[int index] {
                get {
                    return ((EmployeesRow)(this.Rows[index]));
                }
            }
            
            public event EmployeesRowChangeEventHandler EmployeesRowChanged;
            
            public event EmployeesRowChangeEventHandler EmployeesRowChanging;
            
            public event EmployeesRowChangeEventHandler EmployeesRowDeleted;
            
            public event EmployeesRowChangeEventHandler EmployeesRowDeleting;
            
            public void AddEmployeesRow(EmployeesRow row) {
                this.Rows.Add(row);
            }
            
            public EmployeesRow AddEmployeesRow(
                        string LastName, 
                        string FirstName, 
                        string Title, 
                        string TitleOfCourtesy, 
                        System.DateTime BirthDate, 
                        System.DateTime HireDate, 
                        string Address, 
                        string City, 
                        string Region, 
                        string PostalCode, 
                        string Country, 
                        string HomePhone, 
                        string Extension, 
                        System.Byte[] Photo, 
                        string Notes, 
                        int ReportsTo, 
                        string PhotoPath) {
                EmployeesRow rowEmployeesRow = ((EmployeesRow)(this.NewRow()));
                rowEmployeesRow.ItemArray = new object[] {
                        null,
                        LastName,
                        FirstName,
                        Title,
                        TitleOfCourtesy,
                        BirthDate,
                        HireDate,
                        Address,
                        City,
                        Region,
                        PostalCode,
                        Country,
                        HomePhone,
                        Extension,
                        Photo,
                        Notes,
                        ReportsTo,
                        PhotoPath};
                this.Rows.Add(rowEmployeesRow);
                return rowEmployeesRow;
            }
            
            public EmployeesRow FindByEmployeeID(int EmployeeID) {
                return ((EmployeesRow)(this.Rows.Find(new object[] {
                            EmployeeID})));
            }
            
            public System.Collections.IEnumerator GetEnumerator() {
                return this.Rows.GetEnumerator();
            }
            
            public override DataTable Clone() {
                EmployeesDataTable cln = ((EmployeesDataTable)(base.Clone()));
                cln.InitVars();
                return cln;
            }
            
            protected override DataTable CreateInstance() {
                return new EmployeesDataTable();
            }
            
            internal void InitVars() {
                this.columnEmployeeID = this.Columns["EmployeeID"];
                this.columnLastName = this.Columns["LastName"];
                this.columnFirstName = this.Columns["FirstName"];
                this.columnTitle = this.Columns["Title"];
                this.columnTitleOfCourtesy = this.Columns["TitleOfCourtesy"];
                this.columnBirthDate = this.Columns["BirthDate"];
                this.columnHireDate = this.Columns["HireDate"];
                this.columnAddress = this.Columns["Address"];
                this.columnCity = this.Columns["City"];
                this.columnRegion = this.Columns["Region"];
                this.columnPostalCode = this.Columns["PostalCode"];
                this.columnCountry = this.Columns["Country"];
                this.columnHomePhone = this.Columns["HomePhone"];
                this.columnExtension = this.Columns["Extension"];
                this.columnPhoto = this.Columns["Photo"];
                this.columnNotes = this.Columns["Notes"];
                this.columnReportsTo = this.Columns["ReportsTo"];
                this.columnPhotoPath = this.Columns["PhotoPath"];
            }
            
            private void InitClass() {
                this.columnEmployeeID = new DataColumn("EmployeeID", typeof(int), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnEmployeeID);
                this.columnLastName = new DataColumn("LastName", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnLastName);
                this.columnFirstName = new DataColumn("FirstName", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnFirstName);
                this.columnTitle = new DataColumn("Title", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnTitle);
                this.columnTitleOfCourtesy = new DataColumn("TitleOfCourtesy", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnTitleOfCourtesy);
                this.columnBirthDate = new DataColumn("BirthDate", typeof(System.DateTime), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnBirthDate);
                this.columnHireDate = new DataColumn("HireDate", typeof(System.DateTime), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnHireDate);
                this.columnAddress = new DataColumn("Address", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnAddress);
                this.columnCity = new DataColumn("City", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnCity);
                this.columnRegion = new DataColumn("Region", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnRegion);
                this.columnPostalCode = new DataColumn("PostalCode", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnPostalCode);
                this.columnCountry = new DataColumn("Country", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnCountry);
                this.columnHomePhone = new DataColumn("HomePhone", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnHomePhone);
                this.columnExtension = new DataColumn("Extension", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnExtension);
                this.columnPhoto = new DataColumn("Photo", typeof(System.Byte[]), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnPhoto);
                this.columnNotes = new DataColumn("Notes", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnNotes);
                this.columnReportsTo = new DataColumn("ReportsTo", typeof(int), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnReportsTo);
                this.columnPhotoPath = new DataColumn("PhotoPath", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnPhotoPath);
                this.Constraints.Add(new UniqueConstraint("Constraint1", new DataColumn[] {
                                this.columnEmployeeID}, true));
                this.columnEmployeeID.AutoIncrement = true;
                this.columnEmployeeID.AllowDBNull = false;
                this.columnEmployeeID.ReadOnly = true;
                this.columnEmployeeID.Unique = true;
                this.columnLastName.AllowDBNull = false;
                this.columnFirstName.AllowDBNull = false;
            }
            
            public EmployeesRow NewEmployeesRow() {
                return ((EmployeesRow)(this.NewRow()));
            }
            
            protected override DataRow NewRowFromBuilder(DataRowBuilder builder) {
                return new EmployeesRow(builder);
            }
            
            protected override System.Type GetRowType() {
                return typeof(EmployeesRow);
            }
            
            protected override void OnRowChanged(DataRowChangeEventArgs e) {
                base.OnRowChanged(e);
                if ((this.EmployeesRowChanged != null)) {
                    this.EmployeesRowChanged(this, new EmployeesRowChangeEvent(((EmployeesRow)(e.Row)), e.Action));
                }
            }
            
            protected override void OnRowChanging(DataRowChangeEventArgs e) {
                base.OnRowChanging(e);
                if ((this.EmployeesRowChanging != null)) {
                    this.EmployeesRowChanging(this, new EmployeesRowChangeEvent(((EmployeesRow)(e.Row)), e.Action));
                }
            }
            
            protected override void OnRowDeleted(DataRowChangeEventArgs e) {
                base.OnRowDeleted(e);
                if ((this.EmployeesRowDeleted != null)) {
                    this.EmployeesRowDeleted(this, new EmployeesRowChangeEvent(((EmployeesRow)(e.Row)), e.Action));
                }
            }
            
            protected override void OnRowDeleting(DataRowChangeEventArgs e) {
                base.OnRowDeleting(e);
                if ((this.EmployeesRowDeleting != null)) {
                    this.EmployeesRowDeleting(this, new EmployeesRowChangeEvent(((EmployeesRow)(e.Row)), e.Action));
                }
            }
            
            public void RemoveEmployeesRow(EmployeesRow row) {
                this.Rows.Remove(row);
            }
        }
        
        [System.Diagnostics.DebuggerStepThrough()]
        public class EmployeesRow : DataRow {
            
            private EmployeesDataTable tableEmployees;
            
            internal EmployeesRow(DataRowBuilder rb) : 
                    base(rb) {
                this.tableEmployees = ((EmployeesDataTable)(this.Table));
            }
            
            public int EmployeeID {
                get {
                    return ((int)(this[this.tableEmployees.EmployeeIDColumn]));
                }
                set {
                    this[this.tableEmployees.EmployeeIDColumn] = value;
                }
            }
            
            public string LastName {
                get {
                    return ((string)(this[this.tableEmployees.LastNameColumn]));
                }
                set {
                    this[this.tableEmployees.LastNameColumn] = value;
                }
            }
            
            public string FirstName {
                get {
                    return ((string)(this[this.tableEmployees.FirstNameColumn]));
                }
                set {
                    this[this.tableEmployees.FirstNameColumn] = value;
                }
            }
            
            public string Title {
                get {
                    try {
                        return ((string)(this[this.tableEmployees.TitleColumn]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("无法获取值，因为它是 DBNull。", e);
                    }
                }
                set {
                    this[this.tableEmployees.TitleColumn] = value;
                }
            }
            
            public string TitleOfCourtesy {
                get {
                    try {
                        return ((string)(this[this.tableEmployees.TitleOfCourtesyColumn]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("无法获取值，因为它是 DBNull。", e);
                    }
                }
                set {
                    this[this.tableEmployees.TitleOfCourtesyColumn] = value;
                }
            }
            
            public System.DateTime BirthDate {
                get {
                    try {
                        return ((System.DateTime)(this[this.tableEmployees.BirthDateColumn]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("无法获取值，因为它是 DBNull。", e);
                    }
                }
                set {
                    this[this.tableEmployees.BirthDateColumn] = value;
                }
            }
            
            public System.DateTime HireDate {
                get {
                    try {
                        return ((System.DateTime)(this[this.tableEmployees.HireDateColumn]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("无法获取值，因为它是 DBNull。", e);
                    }
                }
                set {
                    this[this.tableEmployees.HireDateColumn] = value;
                }
            }
            
            public string Address {
                get {
                    try {
                        return ((string)(this[this.tableEmployees.AddressColumn]));