dataset1.cs

简单的教师录入成绩系统

            
            public void Set课程名称Null() {
                this[this.table课程基本信息.课程名称Column] = System.Convert.DBNull;
            }
            
            public bool Is开课教师Null() {
                return this.IsNull(this.table课程基本信息.开课教师Column);
            }
            
            public void Set开课教师Null() {
                this[this.table课程基本信息.开课教师Column] = System.Convert.DBNull;
            }
            
            public bool Is学分Null() {
                return this.IsNull(this.table课程基本信息.学分Column);
            }
            
            public void Set学分Null() {
                this[this.table课程基本信息.学分Column] = System.Convert.DBNull;
            }
            
            public bool Is开课系别Null() {
                return this.IsNull(this.table课程基本信息.开课系别Column);
            }
            
            public void Set开课系别Null() {
                this[this.table课程基本信息.开课系别Column] = System.Convert.DBNull;
            }
            
            public bool Is学时Null() {
                return this.IsNull(this.table课程基本信息.学时Column);
            }
            
            public void Set学时Null() {
                this[this.table课程基本信息.学时Column] = System.Convert.DBNull;
            }
        }
        
        [System.Diagnostics.DebuggerStepThrough()]
        public class 课程基本信息RowChangeEvent : EventArgs {
            
            private 课程基本信息Row eventRow;
            
            private DataRowAction eventAction;
            
            public 课程基本信息RowChangeEvent(课程基本信息Row row, DataRowAction action) {
                this.eventRow = row;
                this.eventAction = action;
            }
            
            public 课程基本信息Row Row {
                get {
                    return this.eventRow;
                }
            }
            
            public DataRowAction Action {
                get {
                    return this.eventAction;
                }
            }
        }
        
        [System.Diagnostics.DebuggerStepThrough()]
        public class GradeDataTable : DataTable, System.Collections.IEnumerable {
            
            private DataColumn column学号;
            
            private DataColumn column课程名称;
            
            private DataColumn column姓名;
            
            private DataColumn column成绩;
            
            internal GradeDataTable() : 
                    base("Grade") {
                this.InitClass();
            }
            
            internal GradeDataTable(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 学号Column {
                get {
                    return this.column学号;
                }
            }
            
            internal DataColumn 课程名称Column {
                get {
                    return this.column课程名称;
                }
            }
            
            internal DataColumn 姓名Column {
                get {
                    return this.column姓名;
                }
            }
            
            internal DataColumn 成绩Column {
                get {
                    return this.column成绩;
                }
            }
            
            public GradeRow this[int index] {
                get {
                    return ((GradeRow)(this.Rows[index]));
                }
            }
            
            public event GradeRowChangeEventHandler GradeRowChanged;
            
            public event GradeRowChangeEventHandler GradeRowChanging;
            
            public event GradeRowChangeEventHandler GradeRowDeleted;
            
            public event GradeRowChangeEventHandler GradeRowDeleting;
            
            public void AddGradeRow(GradeRow row) {
                this.Rows.Add(row);
            }
            
            public GradeRow AddGradeRow(string 学号, string 课程名称, string 姓名, System.Double 成绩) {
                GradeRow rowGradeRow = ((GradeRow)(this.NewRow()));
                rowGradeRow.ItemArray = new object[] {
                        学号,
                        课程名称,
                        姓名,
                        成绩};
                this.Rows.Add(rowGradeRow);
                return rowGradeRow;
            }
            
            public System.Collections.IEnumerator GetEnumerator() {
                return this.Rows.GetEnumerator();
            }
            
            public override DataTable Clone() {
                GradeDataTable cln = ((GradeDataTable)(base.Clone()));
                cln.InitVars();
                return cln;
            }
            
            protected override DataTable CreateInstance() {
                return new GradeDataTable();
            }
            
            internal void InitVars() {
                this.column学号 = this.Columns["学号"];
                this.column课程名称 = this.Columns["课程名称"];
                this.column姓名 = this.Columns["姓名"];
                this.column成绩 = this.Columns["成绩"];
            }
            
            private void InitClass() {
                this.column学号 = new DataColumn("学号", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.column学号);
                this.column课程名称 = new DataColumn("课程名称", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.column课程名称);
                this.column姓名 = new DataColumn("姓名", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.column姓名);
                this.column成绩 = new DataColumn("成绩", typeof(System.Double), null, System.Data.MappingType.Element);
                this.Columns.Add(this.column成绩);
                this.column学号.AllowDBNull = false;
                this.column姓名.AllowDBNull = false;
            }
            
            public GradeRow NewGradeRow() {
                return ((GradeRow)(this.NewRow()));
            }
            
            protected override DataRow NewRowFromBuilder(DataRowBuilder builder) {
                return new GradeRow(builder);
            }
            
            protected override System.Type GetRowType() {
                return typeof(GradeRow);
            }
            
            protected override void OnRowChanged(DataRowChangeEventArgs e) {
                base.OnRowChanged(e);
                if ((this.GradeRowChanged != null)) {
                    this.GradeRowChanged(this, new GradeRowChangeEvent(((GradeRow)(e.Row)), e.Action));
                }
            }
            
            protected override void OnRowChanging(DataRowChangeEventArgs e) {
                base.OnRowChanging(e);
                if ((this.GradeRowChanging != null)) {
                    this.GradeRowChanging(this, new GradeRowChangeEvent(((GradeRow)(e.Row)), e.Action));
                }
            }
            
            protected override void OnRowDeleted(DataRowChangeEventArgs e) {
                base.OnRowDeleted(e);
                if ((this.GradeRowDeleted != null)) {
                    this.GradeRowDeleted(this, new GradeRowChangeEvent(((GradeRow)(e.Row)), e.Action));
                }
            }
            
            protected override void OnRowDeleting(DataRowChangeEventArgs e) {
                base.OnRowDeleting(e);
                if ((this.GradeRowDeleting != null)) {
                    this.GradeRowDeleting(this, new GradeRowChangeEvent(((GradeRow)(e.Row)), e.Action));
                }
            }
            
            public void RemoveGradeRow(GradeRow row) {
                this.Rows.Remove(row);
            }
        }
        
        [System.Diagnostics.DebuggerStepThrough()]
        public class GradeRow : DataRow {
            
            private GradeDataTable tableGrade;
            
            internal GradeRow(DataRowBuilder rb) : 
                    base(rb) {
                this.tableGrade = ((GradeDataTable)(this.Table));
            }
            
            public string 学号 {
                get {
                    return ((string)(this[this.tableGrade.学号Column]));
                }
                set {
                    this[this.tableGrade.学号Column] = value;
                }
            }
            
            public string 课程名称 {
                get {
                    try {
                        return ((string)(this[this.tableGrade.课程名称Column]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("无法获取值，因为它是 DBNull。", e);
                    }
                }
                set {
                    this[this.tableGrade.课程名称Column] = value;
                }
            }
            
            public string 姓名 {
                get {
                    return ((string)(this[this.tableGrade.姓名Column]));
                }
                set {
                    this[this.tableGrade.姓名Column] = value;
                }
            }
            
            public System.Double 成绩 {
                get {
                    try {
                        return ((System.Double)(this[this.tableGrade.成绩Column]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("无法获取值，因为它是 DBNull。", e);
                    }
                }
                set {
                    this[this.tableGrade.成绩Column] = value;
                }
            }
            
            public bool Is课程名称Null() {
                return this.IsNull(this.tableGrade.课程名称Column);
            }
            
            public void Set课程名称Null() {
                this[this.tableGrade.课程名称Column] = System.Convert.DBNull;
            }
            
            public bool Is成绩Null() {
                return this.IsNull(this.tableGrade.成绩Column);
            }
            
            public void Set成绩Null() {
                this[this.tableGrade.成绩Column] = System.Convert.DBNull;
            }
        }
        
        [System.Diagnostics.DebuggerStepThrough()]
        public