dataset7.cs

数据库的课程设计作业。管理有关学生、课程的基本信息

                        是否本学期课程};
                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"];
                this.column课程名 = this.Columns["课程名"];
                this.column必修或选修 = this.Columns["必修或选修"];
                this.column教师 = this.Columns["教师"];
                this.column学分 = this.Columns["学分"];
                this.column学时 = this.Columns["学时"];
                this.column上课地点 = this.Columns["上课地点"];
                this.column是否本学期课程 = this.Columns["是否本学期课程"];
            }
            
            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.column课程名 = new DataColumn("课程名", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.column课程名);
                this.column必修或选修 = new DataColumn("必修或选修", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.column必修或选修);
                this.column教师 = new DataColumn("教师", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.column教师);
                this.column学分 = new DataColumn("学分", typeof(System.Single), null, System.Data.MappingType.Element);
                this.Columns.Add(this.column学分);
                this.column学时 = new DataColumn("学时", typeof(int), null, System.Data.MappingType.Element);
                this.Columns.Add(this.column学时);
                this.column上课地点 = new DataColumn("上课地点", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.column上课地点);
                this.column是否本学期课程 = new DataColumn("是否本学期课程", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.column是否本学期课程);
                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;
                this.column必修或选修.AllowDBNull = false;
            }
            
            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;
                }
            }
            
            public string 课程名 {
                get {
                    try {
                        return ((string)(this[this.table课程表.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课程表.课程名Column] = value;
                }
            }
            
            public string 必修或选修 {
                get {
                    return ((string)(this[this.table课程表.必修或选修Column]));
                }
                set {
                    this[this.table课程表.必修或选修Column] = value;
                }
            }
            
            public string 教师 {
                get {
                    try {
                        return ((string)(this[this.table课程表.教师Column]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("无法获取值，因为它是 DBNull。", e);
                    }
                }
                set {
                    this[this.table课程表.教师Column] = value;
                }
            }
            
            public System.Single 学分 {
                get {
                    try {
                        return ((System.Single)(this[this.table课程表.学分Column]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("无法获取值，因为它是 DBNull。", e);
                    }
                }
                set {
                    this[this.table课程表.学分Column] = value;
                }
            }
            
            public int 学时 {
                get {
                    try {
                        return ((int)(this[this.table课程表.学时Column]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("无法获取值，因为它是 DBNull。", e);
                    }
                }
                set {
                    this[this.table课程表.学时Column] = value;
                }
            }
            
            public string 上课地点 {
                get {
                    try {
                        return ((string)(this[this.table课程表.上课地点Column]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("无法获取值，因为它是 DBNull。", e);
                    }
                }
                set {
                    this[this.table课程表.上课地点Column] = value;
                }
            }
            
            public string 是否本学期课程 {
                get {
                    try {
                        return ((string)(this[this.table课程表.是否本学期课程Column]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("无法获取值，因为它是 DBNull。", e);
                    }
                }
                set {
                    this[this.table课程表.是否本学期课程Column] = value;
                }
            }
            
            public bool Is课程名Null() {
                return this.IsNull(this.table课程表.课程名Column);
            }
            
            public void Set课程名Null() {
                this[this.table课程表.课程名Column] = System.Convert.DBNull;
            }
            
            public bool Is教师Null() {
                return this.IsNull(this.table课程表.教师Column);
            }
            
            public void Set教师Null() {
                this[this.table课程表.教师Column] = System.Convert.DBNull;
            }
            
            public bool Is学分Null() {
                return this.IsNull(this.table课程表.学分Column);
            }
            
            public void Set学分Null() {
                this[this.table课程表.学分Column] = System.Convert.DBNull;
            }
            
            public bool Is学时Null() {
                return this.IsNull(this.table课程表.学时Column);
            }
            
            public void Set学时Null() {
                this[this.table课程表.学时Column] = System.Convert.DBNull;
            }
            
            public bool Is上课地点Null() {
                return this.IsNull(this.table课程表.上课地点Column);
            }
            
            public void Set上课地点Null() {
                this[this.table课程表.上课地点Column] = System.Convert.DBNull;
            }
            
            public bool Is是否本学期课程Null() {
                return this.IsNull(this.table课程表.是否本学期课程Column);
            }
            
            public void Set是否本学期课程Null() {
                this[this.table课程表.是否本学期课程Column] = System.Convert.DBNull;
            }
        }
        
        [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;
                }
            }
        }
    }
}