ds_stu.cs

个人作品

                studentsRow rowstudentsRow = ((studentsRow)(this.NewRow()));
                rowstudentsRow.ItemArray = new object[] {
                        Studentid,
                        Studentname,
                        xy,
                        zydm,
                        dwdm};
                this.Rows.Add(rowstudentsRow);
                return rowstudentsRow;
            }
            
            public studentsRow FindByStudentid(string Studentid) {
                return ((studentsRow)(this.Rows.Find(new object[] {
                            Studentid})));
            }
            
            public System.Collections.IEnumerator GetEnumerator() {
                return this.Rows.GetEnumerator();
            }
            
            public override DataTable Clone() {
                studentsDataTable cln = ((studentsDataTable)(base.Clone()));
                cln.InitVars();
                return cln;
            }
            
            protected override DataTable CreateInstance() {
                return new studentsDataTable();
            }
            
            internal void InitVars() {
                this.columnStudentid = this.Columns["Studentid"];
                this.columnStudentname = this.Columns["Studentname"];
                this.columnxy = this.Columns["xy"];
                this.columnzydm = this.Columns["zydm"];
                this.columndwdm = this.Columns["dwdm"];
            }
            
            private void InitClass() {
                this.columnStudentid = new DataColumn("Studentid", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnStudentid);
                this.columnStudentname = new DataColumn("Studentname", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnStudentname);
                this.columnxy = new DataColumn("xy", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnxy);
                this.columnzydm = new DataColumn("zydm", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnzydm);
                this.columndwdm = new DataColumn("dwdm", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columndwdm);
                this.Constraints.Add(new UniqueConstraint("Constraint1", new DataColumn[] {
                                this.columnStudentid}, true));
                this.columnStudentid.AllowDBNull = false;
                this.columnStudentid.Unique = true;
                this.columnStudentname.AllowDBNull = false;
            }
            
            public studentsRow NewstudentsRow() {
                return ((studentsRow)(this.NewRow()));
            }
            
            protected override DataRow NewRowFromBuilder(DataRowBuilder builder) {
                return new studentsRow(builder);
            }
            
            protected override System.Type GetRowType() {
                return typeof(studentsRow);
            }
            
            protected override void OnRowChanged(DataRowChangeEventArgs e) {
                base.OnRowChanged(e);
                if ((this.studentsRowChanged != null)) {
                    this.studentsRowChanged(this, new studentsRowChangeEvent(((studentsRow)(e.Row)), e.Action));
                }
            }
            
            protected override void OnRowChanging(DataRowChangeEventArgs e) {
                base.OnRowChanging(e);
                if ((this.studentsRowChanging != null)) {
                    this.studentsRowChanging(this, new studentsRowChangeEvent(((studentsRow)(e.Row)), e.Action));
                }
            }
            
            protected override void OnRowDeleted(DataRowChangeEventArgs e) {
                base.OnRowDeleted(e);
                if ((this.studentsRowDeleted != null)) {
                    this.studentsRowDeleted(this, new studentsRowChangeEvent(((studentsRow)(e.Row)), e.Action));
                }
            }
            
            protected override void OnRowDeleting(DataRowChangeEventArgs e) {
                base.OnRowDeleting(e);
                if ((this.studentsRowDeleting != null)) {
                    this.studentsRowDeleting(this, new studentsRowChangeEvent(((studentsRow)(e.Row)), e.Action));
                }
            }
            
            public void RemovestudentsRow(studentsRow row) {
                this.Rows.Remove(row);
            }
        }
        
        [System.Diagnostics.DebuggerStepThrough()]
        public class studentsRow : DataRow {
            
            private studentsDataTable tablestudents;
            
            internal studentsRow(DataRowBuilder rb) : 
                    base(rb) {
                this.tablestudents = ((studentsDataTable)(this.Table));
            }
            
            public string Studentid {
                get {
                    return ((string)(this[this.tablestudents.StudentidColumn]));
                }
                set {
                    this[this.tablestudents.StudentidColumn] = value;
                }
            }
            
            public string Studentname {
                get {
                    return ((string)(this[this.tablestudents.StudentnameColumn]));
                }
                set {
                    this[this.tablestudents.StudentnameColumn] = value;
                }
            }
            
            public string xy {
                get {
                    try {
                        return ((string)(this[this.tablestudents.xyColumn]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("无法获取值，因为它是 DBNull。", e);
                    }
                }
                set {
                    this[this.tablestudents.xyColumn] = value;
                }
            }
            
            public string zydm {
                get {
                    try {
                        return ((string)(this[this.tablestudents.zydmColumn]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("无法获取值，因为它是 DBNull。", e);
                    }
                }
                set {
                    this[this.tablestudents.zydmColumn] = value;
                }
            }
            
            public string dwdm {
                get {
                    try {
                        return ((string)(this[this.tablestudents.dwdmColumn]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("无法获取值，因为它是 DBNull。", e);
                    }
                }
                set {
                    this[this.tablestudents.dwdmColumn] = value;
                }
            }
            
            public bool IsxyNull() {
                return this.IsNull(this.tablestudents.xyColumn);
            }
            
            public void SetxyNull() {
                this[this.tablestudents.xyColumn] = System.Convert.DBNull;
            }
            
            public bool IszydmNull() {
                return this.IsNull(this.tablestudents.zydmColumn);
            }
            
            public void SetzydmNull() {
                this[this.tablestudents.zydmColumn] = System.Convert.DBNull;
            }
            
            public bool IsdwdmNull() {
                return this.IsNull(this.tablestudents.dwdmColumn);
            }
            
            public void SetdwdmNull() {
                this[this.tablestudents.dwdmColumn] = System.Convert.DBNull;
            }
        }
        
        [System.Diagnostics.DebuggerStepThrough()]
        public class studentsRowChangeEvent : EventArgs {
            
            private studentsRow eventRow;
            
            private DataRowAction eventAction;
            
            public studentsRowChangeEvent(studentsRow row, DataRowAction action) {
                this.eventRow = row;
                this.eventAction = action;
            }
            
            public studentsRow Row {
                get {
                    return this.eventRow;
                }
            }
            
            public DataRowAction Action {
                get {
                    return this.eventAction;
                }
            }
        }
    }
}