dataset4.cs

学生选课系统 可工学生学习用!大家可以互相学习互相借鉴

            
            public void SetTeacherNull() {
                this[this.tableCourseInfo.TeacherColumn] = System.Convert.DBNull;
            }
        }
        
        [System.Diagnostics.DebuggerStepThrough()]
        public class CourseInfoRowChangeEvent : EventArgs {
            
            private CourseInfoRow eventRow;
            
            private DataRowAction eventAction;
            
            public CourseInfoRowChangeEvent(CourseInfoRow row, DataRowAction action) {
                this.eventRow = row;
                this.eventAction = action;
            }
            
            public CourseInfoRow Row {
                get {
                    return this.eventRow;
                }
            }
            
            public DataRowAction Action {
                get {
                    return this.eventAction;
                }
            }
        }
        
        [System.Diagnostics.DebuggerStepThrough()]
        public class ClassRoomDataTable : DataTable, System.Collections.IEnumerable {
            
            private DataColumn columnCourseName;
            
            private DataColumn columnBuliding;
            
            private DataColumn columnRoomName;
            
            private DataColumn columnClassTime;
            
            private DataColumn columnTeacher;
            
            internal ClassRoomDataTable() : 
                    base("ClassRoom") {
                this.InitClass();
            }
            
            internal ClassRoomDataTable(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 CourseNameColumn {
                get {
                    return this.columnCourseName;
                }
            }
            
            internal DataColumn BulidingColumn {
                get {
                    return this.columnBuliding;
                }
            }
            
            internal DataColumn RoomNameColumn {
                get {
                    return this.columnRoomName;
                }
            }
            
            internal DataColumn ClassTimeColumn {
                get {
                    return this.columnClassTime;
                }
            }
            
            internal DataColumn TeacherColumn {
                get {
                    return this.columnTeacher;
                }
            }
            
            public ClassRoomRow this[int index] {
                get {
                    return ((ClassRoomRow)(this.Rows[index]));
                }
            }
            
            public event ClassRoomRowChangeEventHandler ClassRoomRowChanged;
            
            public event ClassRoomRowChangeEventHandler ClassRoomRowChanging;
            
            public event ClassRoomRowChangeEventHandler ClassRoomRowDeleted;
            
            public event ClassRoomRowChangeEventHandler ClassRoomRowDeleting;
            
            public void AddClassRoomRow(ClassRoomRow row) {
                this.Rows.Add(row);
            }
            
            public ClassRoomRow AddClassRoomRow(string CourseName, string Buliding, string RoomName, string ClassTime, string Teacher) {
                ClassRoomRow rowClassRoomRow = ((ClassRoomRow)(this.NewRow()));
                rowClassRoomRow.ItemArray = new object[] {
                        CourseName,
                        Buliding,
                        RoomName,
                        ClassTime,
                        Teacher};
                this.Rows.Add(rowClassRoomRow);
                return rowClassRoomRow;
            }
            
            public System.Collections.IEnumerator GetEnumerator() {
                return this.Rows.GetEnumerator();
            }
            
            public override DataTable Clone() {
                ClassRoomDataTable cln = ((ClassRoomDataTable)(base.Clone()));
                cln.InitVars();
                return cln;
            }
            
            protected override DataTable CreateInstance() {
                return new ClassRoomDataTable();
            }
            
            internal void InitVars() {
                this.columnCourseName = this.Columns["CourseName"];
                this.columnBuliding = this.Columns["Buliding"];
                this.columnRoomName = this.Columns["RoomName"];
                this.columnClassTime = this.Columns["ClassTime"];
                this.columnTeacher = this.Columns["Teacher"];
            }
            
            private void InitClass() {
                this.columnCourseName = new DataColumn("CourseName", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnCourseName);
                this.columnBuliding = new DataColumn("Buliding", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnBuliding);
                this.columnRoomName = new DataColumn("RoomName", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnRoomName);
                this.columnClassTime = new DataColumn("ClassTime", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnClassTime);
                this.columnTeacher = new DataColumn("Teacher", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnTeacher);
            }
            
            public ClassRoomRow NewClassRoomRow() {
                return ((ClassRoomRow)(this.NewRow()));
            }
            
            protected override DataRow NewRowFromBuilder(DataRowBuilder builder) {
                return new ClassRoomRow(builder);
            }
            
            protected override System.Type GetRowType() {
                return typeof(ClassRoomRow);
            }
            
            protected override void OnRowChanged(DataRowChangeEventArgs e) {
                base.OnRowChanged(e);
                if ((this.ClassRoomRowChanged != null)) {
                    this.ClassRoomRowChanged(this, new ClassRoomRowChangeEvent(((ClassRoomRow)(e.Row)), e.Action));
                }
            }
            
            protected override void OnRowChanging(DataRowChangeEventArgs e) {
                base.OnRowChanging(e);
                if ((this.ClassRoomRowChanging != null)) {
                    this.ClassRoomRowChanging(this, new ClassRoomRowChangeEvent(((ClassRoomRow)(e.Row)), e.Action));
                }
            }
            
            protected override void OnRowDeleted(DataRowChangeEventArgs e) {
                base.OnRowDeleted(e);
                if ((this.ClassRoomRowDeleted != null)) {
                    this.ClassRoomRowDeleted(this, new ClassRoomRowChangeEvent(((ClassRoomRow)(e.Row)), e.Action));
                }
            }
            
            protected override void OnRowDeleting(DataRowChangeEventArgs e) {
                base.OnRowDeleting(e);
                if ((this.ClassRoomRowDeleting != null)) {
                    this.ClassRoomRowDeleting(this, new ClassRoomRowChangeEvent(((ClassRoomRow)(e.Row)), e.Action));
                }
            }
            
            public void RemoveClassRoomRow(ClassRoomRow row) {
                this.Rows.Remove(row);
            }
        }
        
        [System.Diagnostics.DebuggerStepThrough()]
        public class ClassRoomRow : DataRow {
            
            private ClassRoomDataTable tableClassRoom;
            
            internal ClassRoomRow(DataRowBuilder rb) : 
                    base(rb) {
                this.tableClassRoom = ((ClassRoomDataTable)(this.Table));
            }
            
            public string CourseName {
                get {
                    try {
                        return ((string)(this[this.tableClassRoom.CourseNameColumn]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("无法获取值，因为它是 DBNull。", e);
                    }
                }
                set {
                    this[this.tableClassRoom.CourseNameColumn] = value;
                }
            }
            
            public string Buliding {
                get {
                    try {
                        return ((string)(this[this.tableClassRoom.BulidingColumn]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("无法获取值，因为它是 DBNull。", e);
                    }
                }
                set {
                    this[this.tableClassRoom.BulidingColumn] = value;
                }
            }
            
            public string RoomName {
                get {
                    try {
                        return ((string)(this[this.tableClassRoom.RoomNameColumn]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("无法获取值，因为它是 DBNull。", e);
                    }
                }
                set {
                    this[this.tableClassRoom.RoomNameColumn] = value;
                }
            }
            
            public string ClassTime {
                get {
                    try {
                        return ((string)(this[this.tableClassRoom.ClassTimeColumn]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("无法获取值，因为它是 DBNull。", e);
                    }
                }
                set {
                    this[this.tableClassRoom.ClassTimeColumn] = value;
                }
            }
            
            public string Teacher {
                get {
                    try {
                        return ((string)(this[this.tableClassRoom.TeacherColumn]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("无法获取值，因为它是 DBNull。", e);
                    }
                }
                set {
                    this[this.tableClassRoom.TeacherColumn] = value;
                }
            }
            
            public bool IsCourseNameNull() {
                return this.IsNull(this.tableClassRoom.CourseNameColumn);
            }
            
            public void SetCourseNameNull() {
                this[this.tableClassRoom.CourseNameColumn] = System.Convert.DBNull;
            }
            
            public bool IsBulidingNull() {
                return this.IsNull(this.tableClassRoom.BulidingColumn);
            }
            
            public void SetBulidingNull() {
                this[this.tableClassRoom.BulidingColumn] = System.Convert.DBNull;
            }
            
            public bool IsRoomNameNull() {
                return this.IsNull(this.tableClassRoom.RoomNameColumn);
            }
            
            public void SetRoomNameNull() {
                this[this.tableClassRoom.RoomNameColumn] = System.Convert.DBNull;
            }
            
            public bool IsClassTimeNull() {
                return this.IsNull(this.tableClassRoom.ClassTimeColumn);
            }
            
            public void SetClassTimeNull() {
                this[this.tableClassRoom.ClassTimeColumn] = System.Convert.DBNull;
            }
            
            public bool IsTeacherNull() {
                return this.IsNull(this.tableClassRoom.TeacherColumn);
            }
            
            public void SetTeacherNull() {
                this[this.tableClassRoom.TeacherColumn] = System.Convert.DBNull;
            }
        }
        
        [System.Diagnostics.DebuggerStepThrough()]
        public class ClassRoomRowChangeEvent : EventArgs {
            
            private ClassRoomRow eventRow;
            
            private DataRowAction eventAction;
            
            public ClassRoomRowChangeEvent(ClassRoomRow row, DataRowAction action) {
                this.eventRow = row;
                this.eventAction = action;
            }
            
            public ClassRoomRow Row {
                get {
                    return this.eventRow;
                }
            }
            
            public DataRowAction Action {
                get {
                    return this.eventAction;
                }
            }
        }
    }
}