dataset1.cs

本软件是图书管理系统软件。该软件用于提高图书馆图书管理水平及方便读者借阅图书馆书籍。由于图书馆所存书籍种类繁多、数量较大

                return this.Rows.GetEnumerator();
            }
            
            public override DataTable Clone() {
                BookdetailsDataTable cln = ((BookdetailsDataTable)(base.Clone()));
                cln.InitVars();
                return cln;
            }
            
            protected override DataTable CreateInstance() {
                return new BookdetailsDataTable();
            }
            
            internal void InitVars() {
                this.columnExpr1 = this.Columns["Expr1"];
                this.columnExpr2 = this.Columns["Expr2"];
                this.columnExpr3 = this.Columns["Expr3"];
                this.columnExpr4 = this.Columns["Expr4"];
                this.columnExpr5 = this.Columns["Expr5"];
                this.column书名 = this.Columns["书名"];
                this.column作者1 = this.Columns["作者1"];
                this.column作者2 = this.Columns["作者2"];
                this.column出版社1 = this.Columns["出版社1"];
                this.column出版社2 = this.Columns["出版社2"];
                this.column定价 = this.Columns["定价"];
                this.column出版日期 = this.Columns["出版日期"];
                this.column出版社地址 = this.Columns["出版社地址"];
                this.column联系电话 = this.Columns["联系电话"];
            }
            
            private void InitClass() {
                this.columnExpr1 = new DataColumn("Expr1", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnExpr1);
                this.columnExpr2 = new DataColumn("Expr2", typeof(System.Double), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnExpr2);
                this.columnExpr3 = new DataColumn("Expr3", typeof(System.DateTime), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnExpr3);
                this.columnExpr4 = new DataColumn("Expr4", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnExpr4);
                this.columnExpr5 = new DataColumn("Expr5", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnExpr5);
                this.column书名 = new DataColumn("书名", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.column书名);
                this.column作者1 = new DataColumn("作者1", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.column作者1);
                this.column作者2 = new DataColumn("作者2", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.column作者2);
                this.column出版社1 = new DataColumn("出版社1", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.column出版社1);
                this.column出版社2 = new DataColumn("出版社2", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.column出版社2);
                this.column定价 = new DataColumn("定价", typeof(System.Double), null, System.Data.MappingType.Element);
                this.Columns.Add(this.column定价);
                this.column出版日期 = new DataColumn("出版日期", typeof(System.DateTime), null, System.Data.MappingType.Element);
                this.Columns.Add(this.column出版日期);
                this.column出版社地址 = new DataColumn("出版社地址", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.column出版社地址);
                this.column联系电话 = new DataColumn("联系电话", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.column联系电话);
                this.Constraints.Add(new UniqueConstraint("Constraint1", new DataColumn[] {
                                this.column书名}, true));
                this.column书名.AllowDBNull = false;
                this.column书名.Unique = true;
            }
            
            public BookdetailsRow NewBookdetailsRow() {
                return ((BookdetailsRow)(this.NewRow()));
            }
            
            protected override DataRow NewRowFromBuilder(DataRowBuilder builder) {
                return new BookdetailsRow(builder);
            }
            
            protected override System.Type GetRowType() {
                return typeof(BookdetailsRow);
            }
            
            protected override void OnRowChanged(DataRowChangeEventArgs e) {
                base.OnRowChanged(e);
                if ((this.BookdetailsRowChanged != null)) {
                    this.BookdetailsRowChanged(this, new BookdetailsRowChangeEvent(((BookdetailsRow)(e.Row)), e.Action));
                }
            }
            
            protected override void OnRowChanging(DataRowChangeEventArgs e) {
                base.OnRowChanging(e);
                if ((this.BookdetailsRowChanging != null)) {
                    this.BookdetailsRowChanging(this, new BookdetailsRowChangeEvent(((BookdetailsRow)(e.Row)), e.Action));
                }
            }
            
            protected override void OnRowDeleted(DataRowChangeEventArgs e) {
                base.OnRowDeleted(e);
                if ((this.BookdetailsRowDeleted != null)) {
                    this.BookdetailsRowDeleted(this, new BookdetailsRowChangeEvent(((BookdetailsRow)(e.Row)), e.Action));
                }
            }
            
            protected override void OnRowDeleting(DataRowChangeEventArgs e) {
                base.OnRowDeleting(e);
                if ((this.BookdetailsRowDeleting != null)) {
                    this.BookdetailsRowDeleting(this, new BookdetailsRowChangeEvent(((BookdetailsRow)(e.Row)), e.Action));
                }
            }
            
            public void RemoveBookdetailsRow(BookdetailsRow row) {
                this.Rows.Remove(row);
            }
        }
        
        [System.Diagnostics.DebuggerStepThrough()]
        public class BookdetailsRow : DataRow {
            
            private BookdetailsDataTable tableBookdetails;
            
            internal BookdetailsRow(DataRowBuilder rb) : 
                    base(rb) {
                this.tableBookdetails = ((BookdetailsDataTable)(this.Table));
            }
            
            public string Expr1 {
                get {
                    try {
                        return ((string)(this[this.tableBookdetails.Expr1Column]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("无法获取值，因为它是 DBNull。", e);
                    }
                }
                set {
                    this[this.tableBookdetails.Expr1Column] = value;
                }
            }
            
            public System.Double Expr2 {
                get {
                    try {
                        return ((System.Double)(this[this.tableBookdetails.Expr2Column]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("无法获取值，因为它是 DBNull。", e);
                    }
                }
                set {
                    this[this.tableBookdetails.Expr2Column] = value;
                }
            }
            
            public System.DateTime Expr3 {
                get {
                    try {
                        return ((System.DateTime)(this[this.tableBookdetails.Expr3Column]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("无法获取值，因为它是 DBNull。", e);
                    }
                }
                set {
                    this[this.tableBookdetails.Expr3Column] = value;
                }
            }
            
            public string Expr4 {
                get {
                    try {
                        return ((string)(this[this.tableBookdetails.Expr4Column]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("无法获取值，因为它是 DBNull。", e);
                    }
                }
                set {
                    this[this.tableBookdetails.Expr4Column] = value;
                }
            }
            
            public string Expr5 {
                get {
                    try {
                        return ((string)(this[this.tableBookdetails.Expr5Column]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("无法获取值，因为它是 DBNull。", e);
                    }
                }
                set {
                    this[this.tableBookdetails.Expr5Column] = value;
                }
            }
            
            public string 书名 {
                get {
                    return ((string)(this[this.tableBookdetails.书名Column]));
                }
                set {
                    this[this.tableBookdetails.书名Column] = value;
                }
            }
            
            public string 作者1 {
                get {
                    try {
                        return ((string)(this[this.tableBookdetails.作者1Column]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("无法获取值，因为它是 DBNull。", e);
                    }
                }
                set {
                    this[this.tableBookdetails.作者1Column] = value;
                }
            }
            
            public string 作者2 {
                get {
                    try {
                        return ((string)(this[this.tableBookdetails.作者2Column]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("无法获取值，因为它是 DBNull。", e);
                    }
                }
                set {
                    this[this.tableBookdetails.作者2Column] = value;
                }
            }
            
            public string 出版社1 {
                get {
                    try {
                        return ((string)(this[this.tableBookdetails.出版社1Column]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("无法获取值，因为它是 DBNull。", e);
                    }
                }
                set {
                    this[this.tableBookdetails.出版社1Column] = value;
                }
            }
            
            public string 出版社2 {
                get {
                    try {
                        return ((string)(this[this.tableBookdetails.出版社2Column]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("无法获取值，因为它是 DBNull。", e);
                    }
                }
                set {
                    this[this.tableBookdetails.出版社2Column] = value;
                }
            }
            
            public System.Double 定价 {
                get {
                    try {
                        return ((System.Double)(this[this.tableBookdetails.定价Column]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("无法获取值，因为它是 DBNull。", e);
                    }
                }
                set {
                    this[this.tableBookdetails.定价Column] = value;
                }
            }
            
            public System.DateTime 出版日期 {
                get {
                    try {
                        return ((System.DateTime)(this[this.tableBookdetails.出版日期Column]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("无法获取值，因为它是 DBNull。", e);
                    }
                }
                set {
                    this[this.tableBookdetails.出版日期Column] = value;
                }
            }
            
            public string 出版社地址 {
                get {
                    try {
                        return ((string)(this[this.tableBookdetails.出版社地址Column]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("无法获取值，因为它是 DBNull。", e);
                    }
                }
                set {
                    this[this.tableBookdetails.出版社地址Column] = value;
                }
            }
            
            public string 联系电话 {
                get {
                    try {
                        return ((string)(this[this.tableBookdetails.联系电话Column]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("无法获取值，因为它是 DBNull。", e);
                    }
                }
                set {
                    this[this.tableBookdetails.联系电话Column] = value;
                }
            }
            
            public bool IsExpr1Null() {
                return this.IsNull(this.tableBookdetails.Expr1Column);
            }
            
            public void SetExpr1Null() {
                this[this.tableBookdetails.Expr1Column] = System.Convert.DBNull;
            }
            
            public bool IsExpr2Null() {
                return this.IsNull(this.tableBookdetails.Expr2Column);
            }
            
            public void SetExpr2Null() {
                this[this.tableBookdetails.Expr2Column] = System.Convert.DBNull;
            }
            
            public bool IsExpr3Null() {
                return this.IsNull(this.tableBookdetails.Expr3Column);
            }
            
            public void SetExpr3Null() {
                this[this.tableBookdetails.Expr3Column] = System.Convert.DBNull;
            }
            
            public bool IsExpr4Null() {
                return this.IsNull(this.tableBookdetails.Expr4Column);
            }
            
            public void SetExpr4Null() {
                this[this.tableBookdetails.Expr4Column] = System.Convert.DBNull;
            }
            
            public bool IsExpr5Null() {
                return this.IsNull(this.tableBookdetails.Expr5Column);
            }
            
            public void SetExpr5Null() {
                this[this.tableBookdetails.Expr5Column] = System.Convert.DBNull;
            }