collegedataset.cs

一个完整的学生信息管理系统

                base.OnRowChanging(e);
                if ((this.collegesRowChanging != null)) {
                    this.collegesRowChanging(this, new collegesRowChangeEvent(((collegesRow)(e.Row)), e.Action));
                }
            }
            
            protected override void OnRowDeleted(DataRowChangeEventArgs e) {
                base.OnRowDeleted(e);
                if ((this.collegesRowDeleted != null)) {
                    this.collegesRowDeleted(this, new collegesRowChangeEvent(((collegesRow)(e.Row)), e.Action));
                }
            }
            
            protected override void OnRowDeleting(DataRowChangeEventArgs e) {
                base.OnRowDeleting(e);
                if ((this.collegesRowDeleting != null)) {
                    this.collegesRowDeleting(this, new collegesRowChangeEvent(((collegesRow)(e.Row)), e.Action));
                }
            }
            
            public void RemovecollegesRow(collegesRow row) {
                this.Rows.Remove(row);
            }
        }
        
        [System.Diagnostics.DebuggerStepThrough()]
        public class collegesRow : DataRow {
            
            private collegesDataTable tablecolleges;
            
            internal collegesRow(DataRowBuilder rb) : 
                    base(rb) {
                this.tablecolleges = ((collegesDataTable)(this.Table));
            }
            
            public string college_ID {
                get {
                    return ((string)(this[this.tablecolleges.college_IDColumn]));
                }
                set {
                    this[this.tablecolleges.college_IDColumn] = value;
                }
            }
            
            public string college_name {
                get {
                    try {
                        return ((string)(this[this.tablecolleges.college_nameColumn]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("无法获取值，因为它是 DBNull。", e);
                    }
                }
                set {
                    this[this.tablecolleges.college_nameColumn] = value;
                }
            }
            
            public bool Iscollege_nameNull() {
                return this.IsNull(this.tablecolleges.college_nameColumn);
            }
            
            public void Setcollege_nameNull() {
                this[this.tablecolleges.college_nameColumn] = System.Convert.DBNull;
            }
        }
        
        [System.Diagnostics.DebuggerStepThrough()]
        public class collegesRowChangeEvent : EventArgs {
            
            private collegesRow eventRow;
            
            private DataRowAction eventAction;
            
            public collegesRowChangeEvent(collegesRow row, DataRowAction action) {
                this.eventRow = row;
                this.eventAction = action;
            }
            
            public collegesRow Row {
                get {
                    return this.eventRow;
                }
            }
            
            public DataRowAction Action {
                get {
                    return this.eventAction;
                }
            }
        }
        
        [System.Diagnostics.DebuggerStepThrough()]
        public class specialityDataTable : DataTable, System.Collections.IEnumerable {
            
            private DataColumn columnspeciality_ID;
            
            private DataColumn columnspeciality_name;
            
            private DataColumn columnspeciality_college;
            
            internal specialityDataTable() : 
                    base("speciality") {
                this.InitClass();
            }
            
            internal specialityDataTable(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 speciality_IDColumn {
                get {
                    return this.columnspeciality_ID;
                }
            }
            
            internal DataColumn speciality_nameColumn {
                get {
                    return this.columnspeciality_name;
                }
            }
            
            internal DataColumn speciality_collegeColumn {
                get {
                    return this.columnspeciality_college;
                }
            }
            
            public specialityRow this[int index] {
                get {
                    return ((specialityRow)(this.Rows[index]));
                }
            }
            
            public event specialityRowChangeEventHandler specialityRowChanged;
            
            public event specialityRowChangeEventHandler specialityRowChanging;
            
            public event specialityRowChangeEventHandler specialityRowDeleted;
            
            public event specialityRowChangeEventHandler specialityRowDeleting;
            
            public void AddspecialityRow(specialityRow row) {
                this.Rows.Add(row);
            }
            
            public specialityRow AddspecialityRow(string speciality_ID, string speciality_name, string speciality_college) {
                specialityRow rowspecialityRow = ((specialityRow)(this.NewRow()));
                rowspecialityRow.ItemArray = new object[] {
                        speciality_ID,
                        speciality_name,
                        speciality_college};
                this.Rows.Add(rowspecialityRow);
                return rowspecialityRow;
            }
            
            public specialityRow FindByspeciality_ID(string speciality_ID) {
                return ((specialityRow)(this.Rows.Find(new object[] {
                            speciality_ID})));
            }
            
            public System.Collections.IEnumerator GetEnumerator() {
                return this.Rows.GetEnumerator();
            }
            
            public override DataTable Clone() {
                specialityDataTable cln = ((specialityDataTable)(base.Clone()));
                cln.InitVars();
                return cln;
            }
            
            protected override DataTable CreateInstance() {
                return new specialityDataTable();
            }
            
            internal void InitVars() {
                this.columnspeciality_ID = this.Columns["speciality_ID"];
                this.columnspeciality_name = this.Columns["speciality_name"];
                this.columnspeciality_college = this.Columns["speciality_college"];
            }
            
            private void InitClass() {
                this.columnspeciality_ID = new DataColumn("speciality_ID", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnspeciality_ID);
                this.columnspeciality_name = new DataColumn("speciality_name", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnspeciality_name);
                this.columnspeciality_college = new DataColumn("speciality_college", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnspeciality_college);
                this.Constraints.Add(new UniqueConstraint("CollegeDataSetKey1", new DataColumn[] {
                                this.columnspeciality_ID}, true));
                this.columnspeciality_ID.AllowDBNull = false;
                this.columnspeciality_ID.Unique = true;
            }
            
            public specialityRow NewspecialityRow() {
                return ((specialityRow)(this.NewRow()));
            }
            
            protected override DataRow NewRowFromBuilder(DataRowBuilder builder) {
                return new specialityRow(builder);
            }
            
            protected override System.Type GetRowType() {
                return typeof(specialityRow);
            }
            
            protected override void OnRowChanged(DataRowChangeEventArgs e) {
                base.OnRowChanged(e);
                if ((this.specialityRowChanged != null)) {
                    this.specialityRowChanged(this, new specialityRowChangeEvent(((specialityRow)(e.Row)), e.Action));
                }
            }
            
            protected override void OnRowChanging(DataRowChangeEventArgs e) {
                base.OnRowChanging(e);
                if ((this.specialityRowChanging != null)) {
                    this.specialityRowChanging(this, new specialityRowChangeEvent(((specialityRow)(e.Row)), e.Action));
                }
            }
            
            protected override void OnRowDeleted(DataRowChangeEventArgs e) {
                base.OnRowDeleted(e);
                if ((this.specialityRowDeleted != null)) {
                    this.specialityRowDeleted(this, new specialityRowChangeEvent(((specialityRow)(e.Row)), e.Action));
                }
            }
            
            protected override void OnRowDeleting(DataRowChangeEventArgs e) {
                base.OnRowDeleting(e);
                if ((this.specialityRowDeleting != null)) {
                    this.specialityRowDeleting(this, new specialityRowChangeEvent(((specialityRow)(e.Row)), e.Action));
                }
            }
            
            public void RemovespecialityRow(specialityRow row) {
                this.Rows.Remove(row);
            }
        }
        
        [System.Diagnostics.DebuggerStepThrough()]
        public class specialityRow : DataRow {
            
            private specialityDataTable tablespeciality;
            
            internal specialityRow(DataRowBuilder rb) : 
                    base(rb) {
                this.tablespeciality = ((specialityDataTable)(this.Table));
            }
            
            public string speciality_ID {
                get {
                    return ((string)(this[this.tablespeciality.speciality_IDColumn]));
                }
                set {
                    this[this.tablespeciality.speciality_IDColumn] = value;
                }
            }
            
            public string speciality_name {
                get {
                    try {
                        return ((string)(this[this.tablespeciality.speciality_nameColumn]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("无法获取值，因为它是 DBNull。", e);
                    }
                }
                set {
                    this[this.tablespeciality.speciality_nameColumn] = value;
                }
            }
            
            public string speciality_college {
                get {
                    try {
                        return ((string)(this[this.tablespeciality.speciality_collegeColumn]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("无法获取值，因为它是 DBNull。", e);
                    }
                }
                set {
                    this[this.tablespeciality.speciality_collegeColumn] = value;
                }
            }
            
            public bool Isspeciality_nameNull() {
                return this.IsNull(this.tablespeciality.speciality_nameColumn);
            }
            
            public void Setspeciality_nameNull() {
                this[this.tablespeciality.speciality_nameColumn] = System.Convert.DBNull;
            }
            
            public bool Isspeciality_collegeNull() {
                return this.IsNull(this.tablespeciality.speciality_collegeColumn);
            }
            
            public void Setspeciality_collegeNull() {
                this[this.tablespeciality.speciality_collegeColumn] = System.Convert.DBNull;