dataset2.cs

简单的图书管理系统1、系统功能的基本要求： （1）图书信息的输入

                    return this.column状态;
                }
            }
            
            public 图书借阅Row this[int index] {
                get {
                    return ((图书借阅Row)(this.Rows[index]));
                }
            }
            
            public event 图书借阅RowChangeEventHandler 图书借阅RowChanged;
            
            public event 图书借阅RowChangeEventHandler 图书借阅RowChanging;
            
            public event 图书借阅RowChangeEventHandler 图书借阅RowDeleted;
            
            public event 图书借阅RowChangeEventHandler 图书借阅RowDeleting;
            
            public void Add图书借阅Row(图书借阅Row row) {
                this.Rows.Add(row);
            }
            
            public 图书借阅Row Add图书借阅Row(string 姓名, string 读者编号, string 图书编号, string 书名, System.DateTime 借阅时间, System.DateTime 应还时间, int 续借次数, string 操作员, string 状态) {
                图书借阅Row row图书借阅Row = ((图书借阅Row)(this.NewRow()));
                row图书借阅Row.ItemArray = new object[] {
                        null,
                        姓名,
                        读者编号,
                        图书编号,
                        书名,
                        借阅时间,
                        应还时间,
                        续借次数,
                        操作员,
                        状态};
                this.Rows.Add(row图书借阅Row);
                return row图书借阅Row;
            }
            
            public System.Collections.IEnumerator GetEnumerator() {
                return this.Rows.GetEnumerator();
            }
            
            public override DataTable Clone() {
                图书借阅DataTable cln = ((图书借阅DataTable)(base.Clone()));
                cln.InitVars();
                return cln;
            }
            
            protected override DataTable CreateInstance() {
                return new 图书借阅DataTable();
            }
            
            internal void InitVars() {
                this.column借阅编号 = this.Columns["借阅编号"];
                this.column姓名 = this.Columns["姓名"];
                this.column读者编号 = this.Columns["读者编号"];
                this.column图书编号 = this.Columns["图书编号"];
                this.column书名 = this.Columns["书名"];
                this.column借阅时间 = this.Columns["借阅时间"];
                this.column应还时间 = this.Columns["应还时间"];
                this.column续借次数 = this.Columns["续借次数"];
                this.column操作员 = this.Columns["操作员"];
                this.column状态 = this.Columns["状态"];
            }
            
            private void InitClass() {
                this.column借阅编号 = new DataColumn("借阅编号", typeof(int), null, System.Data.MappingType.Element);
                this.Columns.Add(this.column借阅编号);
                this.column姓名 = new DataColumn("姓名", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.column姓名);
                this.column读者编号 = new DataColumn("读者编号", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.column读者编号);
                this.column图书编号 = new DataColumn("图书编号", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.column图书编号);
                this.column书名 = new DataColumn("书名", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.column书名);
                this.column借阅时间 = new DataColumn("借阅时间", typeof(System.DateTime), null, System.Data.MappingType.Element);
                this.Columns.Add(this.column借阅时间);
                this.column应还时间 = new DataColumn("应还时间", typeof(System.DateTime), null, System.Data.MappingType.Element);
                this.Columns.Add(this.column应还时间);
                this.column续借次数 = new DataColumn("续借次数", typeof(int), null, System.Data.MappingType.Element);
                this.Columns.Add(this.column续借次数);
                this.column操作员 = new DataColumn("操作员", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.column操作员);
                this.column状态 = new DataColumn("状态", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.column状态);
                this.column借阅编号.AutoIncrement = true;
                this.column借阅编号.AllowDBNull = false;
                this.column借阅编号.ReadOnly = true;
            }
            
            public 图书借阅Row New图书借阅Row() {
                return ((图书借阅Row)(this.NewRow()));
            }
            
            protected override DataRow NewRowFromBuilder(DataRowBuilder builder) {
                return new 图书借阅Row(builder);
            }
            
            protected override System.Type GetRowType() {
                return typeof(图书借阅Row);
            }
            
            protected override void OnRowChanged(DataRowChangeEventArgs e) {
                base.OnRowChanged(e);
                if ((this.图书借阅RowChanged != null)) {
                    this.图书借阅RowChanged(this, new 图书借阅RowChangeEvent(((图书借阅Row)(e.Row)), e.Action));
                }
            }
            
            protected override void OnRowChanging(DataRowChangeEventArgs e) {
                base.OnRowChanging(e);
                if ((this.图书借阅RowChanging != null)) {
                    this.图书借阅RowChanging(this, new 图书借阅RowChangeEvent(((图书借阅Row)(e.Row)), e.Action));
                }
            }
            
            protected override void OnRowDeleted(DataRowChangeEventArgs e) {
                base.OnRowDeleted(e);
                if ((this.图书借阅RowDeleted != null)) {
                    this.图书借阅RowDeleted(this, new 图书借阅RowChangeEvent(((图书借阅Row)(e.Row)), e.Action));
                }
            }
            
            protected override void OnRowDeleting(DataRowChangeEventArgs e) {
                base.OnRowDeleting(e);
                if ((this.图书借阅RowDeleting != null)) {
                    this.图书借阅RowDeleting(this, new 图书借阅RowChangeEvent(((图书借阅Row)(e.Row)), e.Action));
                }
            }
            
            public void Remove图书借阅Row(图书借阅Row row) {
                this.Rows.Remove(row);
            }
        }
        
        [System.Diagnostics.DebuggerStepThrough()]
        public class 图书借阅Row : DataRow {
            
            private 图书借阅DataTable table图书借阅;
            
            internal 图书借阅Row(DataRowBuilder rb) : 
                    base(rb) {
                this.table图书借阅 = ((图书借阅DataTable)(this.Table));
            }
            
            public int 借阅编号 {
                get {
                    return ((int)(this[this.table图书借阅.借阅编号Column]));
                }
                set {
                    this[this.table图书借阅.借阅编号Column] = value;
                }
            }
            
            public string 姓名 {
                get {
                    try {
                        return ((string)(this[this.table图书借阅.姓名Column]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("无法获取值，因为它是 DBNull。", e);
                    }
                }
                set {
                    this[this.table图书借阅.姓名Column] = value;
                }
            }
            
            public string 读者编号 {
                get {
                    try {
                        return ((string)(this[this.table图书借阅.读者编号Column]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("无法获取值，因为它是 DBNull。", e);
                    }
                }
                set {
                    this[this.table图书借阅.读者编号Column] = value;
                }
            }
            
            public string 图书编号 {
                get {
                    try {
                        return ((string)(this[this.table图书借阅.图书编号Column]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("无法获取值，因为它是 DBNull。", e);
                    }
                }
                set {
                    this[this.table图书借阅.图书编号Column] = value;
                }
            }
            
            public string 书名 {
                get {
                    try {
                        return ((string)(this[this.table图书借阅.书名Column]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("无法获取值，因为它是 DBNull。", e);
                    }
                }
                set {
                    this[this.table图书借阅.书名Column] = value;
                }
            }
            
            public System.DateTime 借阅时间 {
                get {
                    try {
                        return ((System.DateTime)(this[this.table图书借阅.借阅时间Column]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("无法获取值，因为它是 DBNull。", e);
                    }
                }
                set {
                    this[this.table图书借阅.借阅时间Column] = value;
                }
            }
            
            public System.DateTime 应还时间 {
                get {
                    try {
                        return ((System.DateTime)(this[this.table图书借阅.应还时间Column]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("无法获取值，因为它是 DBNull。", e);
                    }
                }
                set {
                    this[this.table图书借阅.应还时间Column] = value;
                }
            }
            
            public int 续借次数 {
                get {
                    try {
                        return ((int)(this[this.table图书借阅.续借次数Column]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("无法获取值，因为它是 DBNull。", e);
                    }
                }
                set {
                    this[this.table图书借阅.续借次数Column] = value;
                }
            }
            
            public string 操作员 {
                get {
                    try {
                        return ((string)(this[this.table图书借阅.操作员Column]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("无法获取值，因为它是 DBNull。", e);
                    }
                }
                set {
                    this[this.table图书借阅.操作员Column] = value;
                }
            }
            
            public string 状态 {
                get {
                    try {
                        return ((string)(this[this.table图书借阅.状态Column]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("无法获取值，因为它是 DBNull。", e);
                    }
                }
                set {
                    this[this.table图书借阅.状态Column] = value;
                }
            }
            
            public bool Is姓名Null() {
                return this.IsNull(this.table图书借阅.姓名Column);
            }
            
            public void Set姓名Null() {
                this[this.table图书借阅.姓名Column] = System.Convert.DBNull;
            }
            
            public bool Is读者编号Null() {
                return this.IsNull(this.table图书借阅.读者编号Column);
            }
            
            public void Set读者编号Null() {
                this[this.table图书借阅.读者编号Column] = System.Convert.DBNull;
            }
            
            public bool Is图书编号Null() {
                return this.IsNull(this.table图书借阅.图书编号Column);
            }
            
            public void Set图书编号Null() {
                this[this.table图书借阅.图书编号Column] = System.Convert.DBNull;
            }
            
            public bool Is书名Null() {
                return this.IsNull(this.table图书借阅.书名Column);
            }
            
            public void Set书名Null() {
                this[this.table图书借阅.书名Column] = System.Convert.DBNull;
            }
            
            public bool Is借阅时间Null() {
                return this.IsNull(this.table图书借阅.借阅时间Column);