bookback.cs

图书馆管理系统为方便读者

            }
            
            public TborrowinfoRow AddTborrowinfoRow(string readerid, string readername, string bookid, string bookname) {
                TborrowinfoRow rowTborrowinfoRow = ((TborrowinfoRow)(this.NewRow()));
                rowTborrowinfoRow.ItemArray = new object[] {
                        readerid,
                        readername,
                        bookid,
                        bookname};
                this.Rows.Add(rowTborrowinfoRow);
                return rowTborrowinfoRow;
            }
            
            public TborrowinfoRow FindByreaderid(string readerid) {
                return ((TborrowinfoRow)(this.Rows.Find(new object[] {
                            readerid})));
            }
            
            public System.Collections.IEnumerator GetEnumerator() {
                return this.Rows.GetEnumerator();
            }
            
            public override DataTable Clone() {
                TborrowinfoDataTable cln = ((TborrowinfoDataTable)(base.Clone()));
                cln.InitVars();
                return cln;
            }
            
            protected override DataTable CreateInstance() {
                return new TborrowinfoDataTable();
            }
            
            internal void InitVars() {
                this.columnreaderid = this.Columns["readerid"];
                this.columnreadername = this.Columns["readername"];
                this.columnbookid = this.Columns["bookid"];
                this.columnbookname = this.Columns["bookname"];
            }
            
            private void InitClass() {
                this.columnreaderid = new DataColumn("readerid", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnreaderid);
                this.columnreadername = new DataColumn("readername", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnreadername);
                this.columnbookid = new DataColumn("bookid", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnbookid);
                this.columnbookname = new DataColumn("bookname", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnbookname);
                this.Constraints.Add(new UniqueConstraint("Constraint1", new DataColumn[] {
                                this.columnreaderid}, true));
                this.columnreaderid.AllowDBNull = false;
                this.columnreaderid.Unique = true;
            }
            
            public TborrowinfoRow NewTborrowinfoRow() {
                return ((TborrowinfoRow)(this.NewRow()));
            }
            
            protected override DataRow NewRowFromBuilder(DataRowBuilder builder) {
                return new TborrowinfoRow(builder);
            }
            
            protected override System.Type GetRowType() {
                return typeof(TborrowinfoRow);
            }
            
            protected override void OnRowChanged(DataRowChangeEventArgs e) {
                base.OnRowChanged(e);
                if ((this.TborrowinfoRowChanged != null)) {
                    this.TborrowinfoRowChanged(this, new TborrowinfoRowChangeEvent(((TborrowinfoRow)(e.Row)), e.Action));
                }
            }
            
            protected override void OnRowChanging(DataRowChangeEventArgs e) {
                base.OnRowChanging(e);
                if ((this.TborrowinfoRowChanging != null)) {
                    this.TborrowinfoRowChanging(this, new TborrowinfoRowChangeEvent(((TborrowinfoRow)(e.Row)), e.Action));
                }
            }
            
            protected override void OnRowDeleted(DataRowChangeEventArgs e) {
                base.OnRowDeleted(e);
                if ((this.TborrowinfoRowDeleted != null)) {
                    this.TborrowinfoRowDeleted(this, new TborrowinfoRowChangeEvent(((TborrowinfoRow)(e.Row)), e.Action));
                }
            }
            
            protected override void OnRowDeleting(DataRowChangeEventArgs e) {
                base.OnRowDeleting(e);
                if ((this.TborrowinfoRowDeleting != null)) {
                    this.TborrowinfoRowDeleting(this, new TborrowinfoRowChangeEvent(((TborrowinfoRow)(e.Row)), e.Action));
                }
            }
            
            public void RemoveTborrowinfoRow(TborrowinfoRow row) {
                this.Rows.Remove(row);
            }
        }
        
        [System.Diagnostics.DebuggerStepThrough()]
        public class TborrowinfoRow : DataRow {
            
            private TborrowinfoDataTable tableTborrowinfo;
            
            internal TborrowinfoRow(DataRowBuilder rb) : 
                    base(rb) {
                this.tableTborrowinfo = ((TborrowinfoDataTable)(this.Table));
            }
            
            public string readerid {
                get {
                    return ((string)(this[this.tableTborrowinfo.readeridColumn]));
                }
                set {
                    this[this.tableTborrowinfo.readeridColumn] = value;
                }
            }
            
            public string readername {
                get {
                    try {
                        return ((string)(this[this.tableTborrowinfo.readernameColumn]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("无法获取值，因为它是 DBNull。", e);
                    }
                }
                set {
                    this[this.tableTborrowinfo.readernameColumn] = value;
                }
            }
            
            public string bookid {
                get {
                    try {
                        return ((string)(this[this.tableTborrowinfo.bookidColumn]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("无法获取值，因为它是 DBNull。", e);
                    }
                }
                set {
                    this[this.tableTborrowinfo.bookidColumn] = value;
                }
            }
            
            public string bookname {
                get {
                    try {
                        return ((string)(this[this.tableTborrowinfo.booknameColumn]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("无法获取值，因为它是 DBNull。", e);
                    }
                }
                set {
                    this[this.tableTborrowinfo.booknameColumn] = value;
                }
            }
            
            public bool IsreadernameNull() {
                return this.IsNull(this.tableTborrowinfo.readernameColumn);
            }
            
            public void SetreadernameNull() {
                this[this.tableTborrowinfo.readernameColumn] = System.Convert.DBNull;
            }
            
            public bool IsbookidNull() {
                return this.IsNull(this.tableTborrowinfo.bookidColumn);
            }
            
            public void SetbookidNull() {
                this[this.tableTborrowinfo.bookidColumn] = System.Convert.DBNull;
            }
            
            public bool IsbooknameNull() {
                return this.IsNull(this.tableTborrowinfo.booknameColumn);
            }
            
            public void SetbooknameNull() {
                this[this.tableTborrowinfo.booknameColumn] = System.Convert.DBNull;
            }
        }
        
        [System.Diagnostics.DebuggerStepThrough()]
        public class TborrowinfoRowChangeEvent : EventArgs {
            
            private TborrowinfoRow eventRow;
            
            private DataRowAction eventAction;
            
            public TborrowinfoRowChangeEvent(TborrowinfoRow row, DataRowAction action) {
                this.eventRow = row;
                this.eventAction = action;
            }
            
            public TborrowinfoRow Row {
                get {
                    return this.eventRow;
                }
            }
            
            public DataRowAction Action {
                get {
                    return this.eventAction;
                }
            }
        }
    }
}