dscustomers.cs

Microsoft?Visual C#?.NET (Core Reference)

                return rowCustomersRow;
            }
            
            public CustomersRow FindByCustomerID(string CustomerID) {
                return ((CustomersRow)(this.Rows.Find(new object[] {
                            CustomerID})));
            }
            
            public System.Collections.IEnumerator GetEnumerator() {
                return this.Rows.GetEnumerator();
            }
            
            public override DataTable Clone() {
                CustomersDataTable cln = ((CustomersDataTable)(base.Clone()));
                cln.InitVars();
                return cln;
            }
            
            protected override DataTable CreateInstance() {
                return new CustomersDataTable();
            }
            
            internal void InitVars() {
                this.columnCustomerID = this.Columns["CustomerID"];
                this.columnCompanyName = this.Columns["CompanyName"];
                this.columnAddress = this.Columns["Address"];
                this.columnCity = this.Columns["City"];
                this.columnPostalCode = this.Columns["PostalCode"];
                this.columnCountry = this.Columns["Country"];
            }
            
            private void InitClass() {
                this.columnCustomerID = new DataColumn("CustomerID", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnCustomerID);
                this.columnCompanyName = new DataColumn("CompanyName", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnCompanyName);
                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.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.Constraints.Add(new UniqueConstraint("Constraint1", new DataColumn[] {
                                this.columnCustomerID}, true));
                this.columnCustomerID.AllowDBNull = false;
                this.columnCustomerID.Unique = true;
                this.columnCompanyName.AllowDBNull = false;
            }
            
            public CustomersRow NewCustomersRow() {
                return ((CustomersRow)(this.NewRow()));
            }
            
            protected override DataRow NewRowFromBuilder(DataRowBuilder builder) {
                return new CustomersRow(builder);
            }
            
            protected override System.Type GetRowType() {
                return typeof(CustomersRow);
            }
            
            protected override void OnRowChanged(DataRowChangeEventArgs e) {
                base.OnRowChanged(e);
                if ((this.CustomersRowChanged != null)) {
                    this.CustomersRowChanged(this, new CustomersRowChangeEvent(((CustomersRow)(e.Row)), e.Action));
                }
            }
            
            protected override void OnRowChanging(DataRowChangeEventArgs e) {
                base.OnRowChanging(e);
                if ((this.CustomersRowChanging != null)) {
                    this.CustomersRowChanging(this, new CustomersRowChangeEvent(((CustomersRow)(e.Row)), e.Action));
                }
            }
            
            protected override void OnRowDeleted(DataRowChangeEventArgs e) {
                base.OnRowDeleted(e);
                if ((this.CustomersRowDeleted != null)) {
                    this.CustomersRowDeleted(this, new CustomersRowChangeEvent(((CustomersRow)(e.Row)), e.Action));
                }
            }
            
            protected override void OnRowDeleting(DataRowChangeEventArgs e) {
                base.OnRowDeleting(e);
                if ((this.CustomersRowDeleting != null)) {
                    this.CustomersRowDeleting(this, new CustomersRowChangeEvent(((CustomersRow)(e.Row)), e.Action));
                }
            }
            
            public void RemoveCustomersRow(CustomersRow row) {
                this.Rows.Remove(row);
            }
        }
        
        [System.Diagnostics.DebuggerStepThrough()]
        public class CustomersRow : DataRow {
            
            private CustomersDataTable tableCustomers;
            
            internal CustomersRow(DataRowBuilder rb) : 
                    base(rb) {
                this.tableCustomers = ((CustomersDataTable)(this.Table));
            }
            
            public string CustomerID {
                get {
                    return ((string)(this[this.tableCustomers.CustomerIDColumn]));
                }
                set {
                    this[this.tableCustomers.CustomerIDColumn] = value;
                }
            }
            
            public string CompanyName {
                get {
                    return ((string)(this[this.tableCustomers.CompanyNameColumn]));
                }
                set {
                    this[this.tableCustomers.CompanyNameColumn] = value;
                }
            }
            
            public string Address {
                get {
                    try {
                        return ((string)(this[this.tableCustomers.AddressColumn]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("Cannot get value because it is DBNull.", e);
                    }
                }
                set {
                    this[this.tableCustomers.AddressColumn] = value;
                }
            }
            
            public string City {
                get {
                    try {
                        return ((string)(this[this.tableCustomers.CityColumn]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("Cannot get value because it is DBNull.", e);
                    }
                }
                set {
                    this[this.tableCustomers.CityColumn] = value;
                }
            }
            
            public string PostalCode {
                get {
                    try {
                        return ((string)(this[this.tableCustomers.PostalCodeColumn]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("Cannot get value because it is DBNull.", e);
                    }
                }
                set {
                    this[this.tableCustomers.PostalCodeColumn] = value;
                }
            }
            
            public string Country {
                get {
                    try {
                        return ((string)(this[this.tableCustomers.CountryColumn]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("Cannot get value because it is DBNull.", e);
                    }
                }
                set {
                    this[this.tableCustomers.CountryColumn] = value;
                }
            }
            
            public bool IsAddressNull() {
                return this.IsNull(this.tableCustomers.AddressColumn);
            }
            
            public void SetAddressNull() {
                this[this.tableCustomers.AddressColumn] = System.Convert.DBNull;
            }
            
            public bool IsCityNull() {
                return this.IsNull(this.tableCustomers.CityColumn);
            }
            
            public void SetCityNull() {
                this[this.tableCustomers.CityColumn] = System.Convert.DBNull;
            }
            
            public bool IsPostalCodeNull() {
                return this.IsNull(this.tableCustomers.PostalCodeColumn);
            }
            
            public void SetPostalCodeNull() {
                this[this.tableCustomers.PostalCodeColumn] = System.Convert.DBNull;
            }
            
            public bool IsCountryNull() {
                return this.IsNull(this.tableCustomers.CountryColumn);
            }
            
            public void SetCountryNull() {
                this[this.tableCustomers.CountryColumn] = System.Convert.DBNull;
            }
        }
        
        [System.Diagnostics.DebuggerStepThrough()]
        public class CustomersRowChangeEvent : EventArgs {
            
            private CustomersRow eventRow;
            
            private DataRowAction eventAction;
            
            public CustomersRowChangeEvent(CustomersRow row, DataRowAction action) {
                this.eventRow = row;
                this.eventAction = action;
            }
            
            public CustomersRow Row {
                get {
                    return this.eventRow;
                }
            }
            
            public DataRowAction Action {
                get {
                    return this.eventAction;
                }
            }
        }
    }
}