dsstat.cs

本书主要介绍了从基础开始建立Portal的快速应用开发过程（RAD）的方法。通过本书你可以了解到关于Oracle 9iAS Portal产品的主要特性、入口的开发和组织、网络开发和管理、实际的关系型数

                this.columnAdminName = new DataColumn("AdminName", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnAdminName);
                this.columnChargeTime = new DataColumn("ChargeTime", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnChargeTime);
                this.columnMoney = new DataColumn("Money", typeof(System.Double), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnMoney);
            }
            
            public ChargeInfoRow NewChargeInfoRow() {
                return ((ChargeInfoRow)(this.NewRow()));
            }
            
            protected override DataRow NewRowFromBuilder(DataRowBuilder builder) {
                return new ChargeInfoRow(builder);
            }
            
            protected override System.Type GetRowType() {
                return typeof(ChargeInfoRow);
            }
            
            protected override void OnRowChanged(DataRowChangeEventArgs e) {
                base.OnRowChanged(e);
                if ((this.ChargeInfoRowChanged != null)) {
                    this.ChargeInfoRowChanged(this, new ChargeInfoRowChangeEvent(((ChargeInfoRow)(e.Row)), e.Action));
                }
            }
            
            protected override void OnRowChanging(DataRowChangeEventArgs e) {
                base.OnRowChanging(e);
                if ((this.ChargeInfoRowChanging != null)) {
                    this.ChargeInfoRowChanging(this, new ChargeInfoRowChangeEvent(((ChargeInfoRow)(e.Row)), e.Action));
                }
            }
            
            protected override void OnRowDeleted(DataRowChangeEventArgs e) {
                base.OnRowDeleted(e);
                if ((this.ChargeInfoRowDeleted != null)) {
                    this.ChargeInfoRowDeleted(this, new ChargeInfoRowChangeEvent(((ChargeInfoRow)(e.Row)), e.Action));
                }
            }
            
            protected override void OnRowDeleting(DataRowChangeEventArgs e) {
                base.OnRowDeleting(e);
                if ((this.ChargeInfoRowDeleting != null)) {
                    this.ChargeInfoRowDeleting(this, new ChargeInfoRowChangeEvent(((ChargeInfoRow)(e.Row)), e.Action));
                }
            }
            
            public void RemoveChargeInfoRow(ChargeInfoRow row) {
                this.Rows.Remove(row);
            }
        }
        
        [System.Diagnostics.DebuggerStepThrough()]
        public class ChargeInfoRow : DataRow {
            
            private ChargeInfoDataTable tableChargeInfo;
            
            internal ChargeInfoRow(DataRowBuilder rb) : 
                    base(rb) {
                this.tableChargeInfo = ((ChargeInfoDataTable)(this.Table));
            }
            
            public string ItemName {
                get {
                    try {
                        return ((string)(this[this.tableChargeInfo.ItemNameColumn]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("无法获取值，因为它是 DBNull。", e);
                    }
                }
                set {
                    this[this.tableChargeInfo.ItemNameColumn] = value;
                }
            }
            
            public string StuNumber {
                get {
                    try {
                        return ((string)(this[this.tableChargeInfo.StuNumberColumn]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("无法获取值，因为它是 DBNull。", e);
                    }
                }
                set {
                    this[this.tableChargeInfo.StuNumberColumn] = value;
                }
            }
            
            public string Name {
                get {
                    try {
                        return ((string)(this[this.tableChargeInfo.NameColumn]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("无法获取值，因为它是 DBNull。", e);
                    }
                }
                set {
                    this[this.tableChargeInfo.NameColumn] = value;
                }
            }
            
            public string AdminName {
                get {
                    try {
                        return ((string)(this[this.tableChargeInfo.AdminNameColumn]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("无法获取值，因为它是 DBNull。", e);
                    }
                }
                set {
                    this[this.tableChargeInfo.AdminNameColumn] = value;
                }
            }
            
            public string ChargeTime {
                get {
                    try {
                        return ((string)(this[this.tableChargeInfo.ChargeTimeColumn]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("无法获取值，因为它是 DBNull。", e);
                    }
                }
                set {
                    this[this.tableChargeInfo.ChargeTimeColumn] = value;
                }
            }
            
            public System.Double Money {
                get {
                    try {
                        return ((System.Double)(this[this.tableChargeInfo.MoneyColumn]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("无法获取值，因为它是 DBNull。", e);
                    }
                }
                set {
                    this[this.tableChargeInfo.MoneyColumn] = value;
                }
            }
            
            public bool IsItemNameNull() {
                return this.IsNull(this.tableChargeInfo.ItemNameColumn);
            }
            
            public void SetItemNameNull() {
                this[this.tableChargeInfo.ItemNameColumn] = System.Convert.DBNull;
            }
            
            public bool IsStuNumberNull() {
                return this.IsNull(this.tableChargeInfo.StuNumberColumn);
            }
            
            public void SetStuNumberNull() {
                this[this.tableChargeInfo.StuNumberColumn] = System.Convert.DBNull;
            }
            
            public bool IsNameNull() {
                return this.IsNull(this.tableChargeInfo.NameColumn);
            }
            
            public void SetNameNull() {
                this[this.tableChargeInfo.NameColumn] = System.Convert.DBNull;
            }
            
            public bool IsAdminNameNull() {
                return this.IsNull(this.tableChargeInfo.AdminNameColumn);
            }
            
            public void SetAdminNameNull() {
                this[this.tableChargeInfo.AdminNameColumn] = System.Convert.DBNull;
            }
            
            public bool IsChargeTimeNull() {
                return this.IsNull(this.tableChargeInfo.ChargeTimeColumn);
            }
            
            public void SetChargeTimeNull() {
                this[this.tableChargeInfo.ChargeTimeColumn] = System.Convert.DBNull;
            }
            
            public bool IsMoneyNull() {
                return this.IsNull(this.tableChargeInfo.MoneyColumn);
            }
            
            public void SetMoneyNull() {
                this[this.tableChargeInfo.MoneyColumn] = System.Convert.DBNull;
            }
        }
        
        [System.Diagnostics.DebuggerStepThrough()]
        public class ChargeInfoRowChangeEvent : EventArgs {
            
            private ChargeInfoRow eventRow;
            
            private DataRowAction eventAction;
            
            public ChargeInfoRowChangeEvent(ChargeInfoRow row, DataRowAction action) {
                this.eventRow = row;
                this.eventAction = action;
            }
            
            public ChargeInfoRow Row {
                get {
                    return this.eventRow;
                }
            }
            
            public DataRowAction Action {
                get {
                    return this.eventAction;
                }
            }
        }
        
        [System.Diagnostics.DebuggerStepThrough()]
        public class SarrListDataTable : DataTable, System.Collections.IEnumerable {
            
            private DataColumn columnItemName;
            
            private DataColumn columnType;
            
            private DataColumn columnMajor;
            
            private DataColumn columnEnroYear;
            
            internal SarrListDataTable() : 
                    base("SarrList") {
                this.InitClass();
            }
            
            internal SarrListDataTable(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 ItemNameColumn {
                get {
                    return this.columnItemName;
                }
            }
            
            internal DataColumn TypeColumn {
                get {
                    return this.columnType;
                }
            }
            
            internal DataColumn MajorColumn {
                get {
                    return this.columnMajor;
                }
            }
            
            internal DataColumn EnroYearColumn {
                get {
                    return this.columnEnroYear;
                }
            }
            
            public SarrListRow this[int index] {
                get {
                    return ((SarrListRow)(this.Rows[index]));
                }
            }
            
            public event SarrListRowChangeEventHandler SarrListRowChanged;
            
            public event SarrListRowChangeEventHandler SarrListRowChanging;
            
            public event SarrListRowChangeEventHandler SarrListRowDeleted;
            
            public event SarrListRowChangeEventHandler SarrListRowDeleting;
            
            public void AddSarrListRow(SarrListRow row) {
                this.Rows.Add(row);
            }
            
            public SarrListRow AddSarrListRow(string ItemName, string Type, string Major, string EnroYear) {
                SarrListRow rowSarrListRow = ((SarrListRow)(this.NewRow()));
                rowSarrListRow.ItemArray = new object[] {
                        ItemName,
                        Type,
                        Major,
                        EnroYear};
                this.Rows.Add(rowSarrListRow);
                return rowSarrListRow;
            }
            
            public System.Collections.IEnumerator GetEnumerator() {
                return this.Rows.GetEnumerator();
            }
            
            public override DataTable Clone() {
                SarrListDataTable cln = ((SarrListDataTable)(base.Clone()));