dataset2.cs

C#制作的小型图书馆管理系统

                this.Columns.Add(this.column书号);
                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状态 = new DataColumn("状态", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.column状态);
                this.Constraints.Add(new UniqueConstraint("Constraint1", new DataColumn[] {
                                this.column证号,
                                this.column书号}, true));
                this.column证号.AllowDBNull = false;
                this.column书号.AllowDBNull = false;
            }
            
            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 string 证号 {
                get {
                    return ((string)(this[this.table图书借阅.证号Column]));
                }
                set {
                    this[this.table图书借阅.证号Column] = value;
                }
            }
            
            public string 读者姓名 {
                get {
                    try {
                        return ((string)(this[this.table图书借阅.读者姓名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.读者姓名Column] = value;
                }
            }
            
            public string 书号 {
                get {
                    return ((string)(this[this.table图书借阅.书号Column]));
                }
                set {
                    this[this.table图书借阅.书号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 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读者姓名Null() {
                return this.IsNull(this.table图书借阅.读者姓名Column);
            }
            
            public void Set读者姓名Null() {
                this[this.table图书借阅.读者姓名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);
            }
            
            public void Set借阅时间Null() {
                this[this.table图书借阅.借阅时间Column] = System.Convert.DBNull;
            }
            
            public bool Is应还时间Null() {
                return this.IsNull(this.table图书借阅.应还时间Column);
            }
            
            public void Set应还时间Null() {
                this[this.table图书借阅.应还时间Column] = System.Convert.DBNull;
            }
            
            public bool Is状态Null() {
                return this.IsNull(this.table图书借阅.状态Column);
            }
            
            public void Set状态Null() {
                this[this.table图书借阅.状态Column] = System.Convert.DBNull;
            }
        }
        
        [System.Diagnostics.DebuggerStepThrough()]
        public class 图书借阅RowChangeEvent : EventArgs {
            
            private 图书借阅Row eventRow;
            
            private DataRowAction eventAction;
            
            public 图书借阅RowChangeEvent(图书借阅Row row, DataRowAction action) {
                this.eventRow = row;
                this.eventAction = action;
            }
            
            public 图书借阅Row Row {
                get {
                    return this.eventRow;
                }
            }
            
            public DataRowAction Action {
                get {
                    return this.eventAction;
                }
            }
        }
        
        [System.Diagnostics.DebuggerStepThrough()]
        public class 读者借阅DataTable : DataTable, System.Collections.IEnumerable {
            
            private DataColumn column证号;
            
            private DataColumn column读者姓名;
            
            private DataColumn column已借书;
            
            private DataColumn column书号;
            
            private DataColumn column书名;
            
            private DataColumn column借阅时间;
            
            private DataColumn column应还时间;
            
            private DataColumn column状态;
            
            internal 读者借阅DataTable() : 
                    base("读者借阅") {
                this.InitClass();
            }
            
            internal 读者借阅DataTable(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 证号Column {
                get {
                    return this.column证号;
                }
            }
            
            internal DataColumn 读者姓名Column {
                get {
                    return this.column读者姓名;
                }
            }
            
            internal DataColumn 已借书Column {
                get {
                    return this.column已借书;
                }
            }
            
            internal DataColumn 书号Column {
                get {
                    return this.column书号;
                }
            }
            
            internal DataColumn 书名Column {
                get {
                    return this.column书名;
                }
            }
            
            internal DataColumn 借阅时间Column {
                get {
                    return this.column借阅时间;
                }
            }
            
            internal DataColumn 应还时间Column {
                get {
                    return this.column应还时间;
                }
            }
            
            internal DataColumn 状态Column {
                get {
                    return this.column状态;