dataset3.cs

数据库的课程设计作业。管理有关学生、课程的基本信息

                if ((this.选课表RowDeleting != null)) {
                    this.选课表RowDeleting(this, new 选课表RowChangeEvent(((选课表Row)(e.Row)), e.Action));
                }
            }
            
            public void Remove选课表Row(选课表Row row) {
                this.Rows.Remove(row);
            }
        }
        
        [System.Diagnostics.DebuggerStepThrough()]
        public class 选课表Row : DataRow {
            
            private 选课表DataTable table选课表;
            
            internal 选课表Row(DataRowBuilder rb) : 
                    base(rb) {
                this.table选课表 = ((选课表DataTable)(this.Table));
            }
            
            public string 学号 {
                get {
                    return ((string)(this[this.table选课表.学号Column]));
                }
                set {
                    this[this.table选课表.学号Column] = value;
                }
            }
            
            public string 姓名 {
                get {
                    try {
                        return ((string)(this[this.table选课表.姓名Column]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("无法获取值，因为它是 DBNull。", e);
                    }
                }
                set {
                    this[this.table选课表.姓名Column] = value;
                }
            }
            
            public string 课程名 {
                get {
                    try {
                        return ((string)(this[this.table选课表.课程名Column]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("无法获取值，因为它是 DBNull。", e);
                    }
                }
                set {
                    this[this.table选课表.课程名Column] = value;
                }
            }
            
            public System.Single 学分 {
                get {
                    try {
                        return ((System.Single)(this[this.table选课表.学分Column]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("无法获取值，因为它是 DBNull。", e);
                    }
                }
                set {
                    this[this.table选课表.学分Column] = value;
                }
            }
            
            public string 教师 {
                get {
                    try {
                        return ((string)(this[this.table选课表.教师Column]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("无法获取值，因为它是 DBNull。", e);
                    }
                }
                set {
                    this[this.table选课表.教师Column] = value;
                }
            }
            
            public int 成绩 {
                get {
                    try {
                        return ((int)(this[this.table选课表.成绩Column]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("无法获取值，因为它是 DBNull。", e);
                    }
                }
                set {
                    this[this.table选课表.成绩Column] = value;
                }
            }
            
            public string 课程号 {
                get {
                    return ((string)(this[this.table选课表.课程号Column]));
                }
                set {
                    this[this.table选课表.课程号Column] = value;
                }
            }
            
            public string Expr1 {
                get {
                    return ((string)(this[this.table选课表.Expr1Column]));
                }
                set {
                    this[this.table选课表.Expr1Column] = value;
                }
            }
            
            public bool Is姓名Null() {
                return this.IsNull(this.table选课表.姓名Column);
            }
            
            public void Set姓名Null() {
                this[this.table选课表.姓名Column] = System.Convert.DBNull;
            }
            
            public bool Is课程名Null() {
                return this.IsNull(this.table选课表.课程名Column);
            }
            
            public void Set课程名Null() {
                this[this.table选课表.课程名Column] = System.Convert.DBNull;
            }
            
            public bool Is学分Null() {
                return this.IsNull(this.table选课表.学分Column);
            }
            
            public void Set学分Null() {
                this[this.table选课表.学分Column] = System.Convert.DBNull;
            }
            
            public bool Is教师Null() {
                return this.IsNull(this.table选课表.教师Column);
            }
            
            public void Set教师Null() {
                this[this.table选课表.教师Column] = System.Convert.DBNull;
            }
            
            public bool Is成绩Null() {
                return this.IsNull(this.table选课表.成绩Column);
            }
            
            public void Set成绩Null() {
                this[this.table选课表.成绩Column] = System.Convert.DBNull;
            }
        }
        
        [System.Diagnostics.DebuggerStepThrough()]
        public class 选课表RowChangeEvent : EventArgs {
            
            private 选课表Row eventRow;
            
            private DataRowAction eventAction;
            
            public 选课表RowChangeEvent(选课表Row row, DataRowAction action) {
                this.eventRow = row;
                this.eventAction = action;
            }
            
            public 选课表Row Row {
                get {
                    return this.eventRow;
                }
            }
            
            public DataRowAction Action {
                get {
                    return this.eventAction;
                }
            }
        }
        
        [System.Diagnostics.DebuggerStepThrough()]
        public class 课程表DataTable : DataTable, System.Collections.IEnumerable {
            
            private DataColumn column课程号;
            
            internal 课程表DataTable() : 
                    base("课程表") {
                this.InitClass();
            }
            
            internal 课程表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 课程号Column {
                get {
                    return this.column课程号;
                }
            }
            
            public 课程表Row this[int index] {
                get {
                    return ((课程表Row)(this.Rows[index]));
                }
            }
            
            public event 课程表RowChangeEventHandler 课程表RowChanged;
            
            public event 课程表RowChangeEventHandler 课程表RowChanging;
            
            public event 课程表RowChangeEventHandler 课程表RowDeleted;
            
            public event 课程表RowChangeEventHandler 课程表RowDeleting;
            
            public void Add课程表Row(课程表Row row) {
                this.Rows.Add(row);
            }
            
            public 课程表Row Add课程表Row(string 课程号) {
                课程表Row row课程表Row = ((课程表Row)(this.NewRow()));
                row课程表Row.ItemArray = new object[] {
                        课程号};
                this.Rows.Add(row课程表Row);
                return row课程表Row;
            }
            
            public 课程表Row FindBy课程号(string 课程号) {
                return ((课程表Row)(this.Rows.Find(new object[] {
                            课程号})));
            }
            
            public System.Collections.IEnumerator GetEnumerator() {
                return this.Rows.GetEnumerator();
            }
            
            public override DataTable Clone() {
                课程表DataTable cln = ((课程表DataTable)(base.Clone()));
                cln.InitVars();
                return cln;
            }
            
            protected override DataTable CreateInstance() {
                return new 课程表DataTable();
            }
            
            internal void InitVars() {
                this.column课程号 = this.Columns["课程号"];
            }
            
            private void InitClass() {
                this.column课程号 = new DataColumn("课程号", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.column课程号);
                this.Constraints.Add(new UniqueConstraint("Constraint1", new DataColumn[] {
                                this.column课程号}, true));
                this.column课程号.AllowDBNull = false;
                this.column课程号.Unique = true;
            }
            
            public 课程表Row New课程表Row() {
                return ((课程表Row)(this.NewRow()));
            }
            
            protected override DataRow NewRowFromBuilder(DataRowBuilder builder) {
                return new 课程表Row(builder);
            }
            
            protected override System.Type GetRowType() {
                return typeof(课程表Row);
            }
            
            protected override void OnRowChanged(DataRowChangeEventArgs e) {
                base.OnRowChanged(e);
                if ((this.课程表RowChanged != null)) {
                    this.课程表RowChanged(this, new 课程表RowChangeEvent(((课程表Row)(e.Row)), e.Action));
                }
            }
            
            protected override void OnRowChanging(DataRowChangeEventArgs e) {
                base.OnRowChanging(e);
                if ((this.课程表RowChanging != null)) {
                    this.课程表RowChanging(this, new 课程表RowChangeEvent(((课程表Row)(e.Row)), e.Action));
                }
            }
            
            protected override void OnRowDeleted(DataRowChangeEventArgs e) {
                base.OnRowDeleted(e);
                if ((this.课程表RowDeleted != null)) {
                    this.课程表RowDeleted(this, new 课程表RowChangeEvent(((课程表Row)(e.Row)), e.Action));
                }
            }
            
            protected override void OnRowDeleting(DataRowChangeEventArgs e) {
                base.OnRowDeleting(e);
                if ((this.课程表RowDeleting != null)) {
                    this.课程表RowDeleting(this, new 课程表RowChangeEvent(((课程表Row)(e.Row)), e.Action));
                }
            }
            
            public void Remove课程表Row(课程表Row row) {
                this.Rows.Remove(row);
            }
        }
        
        [System.Diagnostics.DebuggerStepThrough()]
        public class 课程表Row : DataRow {
            
            private 课程表DataTable table课程表;
            
            internal 课程表Row(DataRowBuilder rb) : 
                    base(rb) {
                this.table课程表 = ((课程表DataTable)(this.Table));
            }
            
            public string 课程号 {
                get {
                    return ((string)(this[this.table课程表.课程号Column]));
                }
                set {
                    this[this.table课程表.课程号Column] = value;
                }
            }
        }
        
        [System.Diagnostics.DebuggerStepThrough()]
        public class 课程表RowChangeEvent : EventArgs {
            
            private 课程表Row eventRow;
            
            private DataRowAction eventAction;
            
            public 课程表RowChangeEvent(课程表Row row, DataRowAction action) {
                this.eventRow = row;
                this.eventAction = action;
            }
            
            public 课程表Row Row {
                get {
                    return this.eventRow;
                }
            }
            
            public DataRowAction Action {
                get {
                    return this.eventAction;
                }
            }
        }
    }
}