}
            
            public System.Collections.IEnumerator GetEnumerator() {
                return this.Rows.GetEnumerator();
            }
            
            public override DataTable Clone() {
                _TableDataTable cln = ((_TableDataTable)(base.Clone()));
                cln.InitVars();
                return cln;
            }
            
            protected override DataTable CreateInstance() {
                return new _TableDataTable();
            }
            
            internal void InitVars() {
                this.columnuseid = this.Columns["useid"];
                this.columnusename = this.Columns["usename"];
                this.columnpwd = this.Columns["pwd"];
                this.columnsex = this.Columns["sex"];
                this.columnaddr = this.Columns["addr"];
                this.columnphone = this.Columns["phone"];
            }
            
            private void InitClass() {
                this.columnuseid = new DataColumn("useid", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnuseid);
                this.columnusename = new DataColumn("usename", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnusename);
                this.columnpwd = new DataColumn("pwd", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnpwd);
                this.columnsex = new DataColumn("sex", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnsex);
                this.columnaddr = new DataColumn("addr", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnaddr);
                this.columnphone = new DataColumn("phone", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnphone);
                this.Constraints.Add(new UniqueConstraint("Constraint1", new DataColumn[] {
                                this.columnuseid}, true));
                this.columnuseid.AllowDBNull = false;
                this.columnuseid.Unique = true;
            }
            
            public _TableRow New_TableRow() {
                return ((_TableRow)(this.NewRow()));
            }
            
            protected override DataRow NewRowFromBuilder(DataRowBuilder builder) {
                return new _TableRow(builder);
            }
            
            protected override System.Type GetRowType() {
                return typeof(_TableRow);
            }
            
            protected override void OnRowChanged(DataRowChangeEventArgs e) {
                base.OnRowChanged(e);
                if ((this._TableRowChanged != null)) {
                    this._TableRowChanged(this, new _TableRowChangeEvent(((_TableRow)(e.Row)), e.Action));
                }
            }
            
            protected override void OnRowChanging(DataRowChangeEventArgs e) {
                base.OnRowChanging(e);
                if ((this._TableRowChanging != null)) {
                    this._TableRowChanging(this, new _TableRowChangeEvent(((_TableRow)(e.Row)), e.Action));
                }
            }
            
            protected override void OnRowDeleted(DataRowChangeEventArgs e) {
                base.OnRowDeleted(e);
                if ((this._TableRowDeleted != null)) {
                    this._TableRowDeleted(this, new _TableRowChangeEvent(((_TableRow)(e.Row)), e.Action));
                }
            }
            
            protected override void OnRowDeleting(DataRowChangeEventArgs e) {
                base.OnRowDeleting(e);
                if ((this._TableRowDeleting != null)) {
                    this._TableRowDeleting(this, new _TableRowChangeEvent(((_TableRow)(e.Row)), e.Action));
                }
            }
            
            public void Remove_TableRow(_TableRow row) {
                this.Rows.Remove(row);
            }
        }
        
        [System.Diagnostics.DebuggerStepThrough()]
        public class _TableRow : DataRow {
            
            private _TableDataTable table_Table;
            
            internal _TableRow(DataRowBuilder rb) : 
                    base(rb) {
                this.table_Table = ((_TableDataTable)(this.Table));
            }
            
            public string useid {
                get {
                    return ((string)(this[this.table_Table.useidColumn]));
                }
                set {
                    this[this.table_Table.useidColumn] = value;
                }
            }
            
            public string usename {
                get {
                    try {
                        return ((string)(this[this.table_Table.usenameColumn]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("無(wú)法獲取值，因?yàn)樗?DBNull。", e);
                    }
                }
                set {
                    this[this.table_Table.usenameColumn] = value;
                }
            }
            
            public string pwd {
                get {
                    try {
                        return ((string)(this[this.table_Table.pwdColumn]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("無(wú)法獲取值，因?yàn)樗?DBNull。", e);
                    }
                }
                set {
                    this[this.table_Table.pwdColumn] = value;
                }
            }
            
            public string sex {
                get {
                    try {
                        return ((string)(this[this.table_Table.sexColumn]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("無(wú)法獲取值，因?yàn)樗?DBNull。", e);
                    }
                }
                set {
                    this[this.table_Table.sexColumn] = value;
                }
            }
            
            public string addr {
                get {
                    try {
                        return ((string)(this[this.table_Table.addrColumn]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("無(wú)法獲取值，因?yàn)樗?DBNull。", e);
                    }
                }
                set {
                    this[this.table_Table.addrColumn] = value;
                }
            }
            
            public string phone {
                get {
                    try {
                        return ((string)(this[this.table_Table.phoneColumn]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("無(wú)法獲取值，因?yàn)樗?DBNull。", e);
                    }
                }
                set {
                    this[this.table_Table.phoneColumn] = value;
                }
            }
            
            public bool IsusenameNull() {
                return this.IsNull(this.table_Table.usenameColumn);
            }
            
            public void SetusenameNull() {
                this[this.table_Table.usenameColumn] = System.Convert.DBNull;
            }
            
            public bool IspwdNull() {
                return this.IsNull(this.table_Table.pwdColumn);
            }
            
            public void SetpwdNull() {
                this[this.table_Table.pwdColumn] = System.Convert.DBNull;
            }
            
            public bool IssexNull() {
                return this.IsNull(this.table_Table.sexColumn);
            }
            
            public void SetsexNull() {
                this[this.table_Table.sexColumn] = System.Convert.DBNull;
            }
            
            public bool IsaddrNull() {
                return this.IsNull(this.table_Table.addrColumn);
            }
            
            public void SetaddrNull() {
                this[this.table_Table.addrColumn] = System.Convert.DBNull;
            }
            
            public bool IsphoneNull() {
                return this.IsNull(this.table_Table.phoneColumn);
            }
            
            public void SetphoneNull() {
                this[this.table_Table.phoneColumn] = System.Convert.DBNull;
            }
        }
        
        [System.Diagnostics.DebuggerStepThrough()]
        public class _TableRowChangeEvent : EventArgs {
            
            private _TableRow eventRow;
            
            private DataRowAction eventAction;
            
            public _TableRowChangeEvent(_TableRow row, DataRowAction action) {
                this.eventRow = row;
                this.eventAction = action;
            }
            
            public _TableRow Row {
                get {
                    return this.eventRow;
                }
            }
            
            public DataRowAction Action {
                get {
                    return this.eventAction;
                }
            }
        }
    }
}