articlesds.cs

数字图书馆网站

            }
            
            internal void InitVars() {
                this.columnArticleID = this.Columns["ArticleID"];
                this.columnCategory = this.Columns["Category"];
                this.columnFileName = this.Columns["FileName"];
                this.columnRating = this.Columns["Rating"];
                this.columnStatus = this.Columns["Status"];
                this.columnPostedBy = this.Columns["PostedBy"];
                this.columnAbstract = this.Columns["Abstract"];
                this.columnComments = this.Columns["Comments"];
            }
            
            private void InitClass() {
                this.columnArticleID = new DataColumn("ArticleID", typeof(int), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnArticleID);
                this.columnCategory = new DataColumn("Category", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnCategory);
                this.columnFileName = new DataColumn("FileName", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnFileName);
                this.columnRating = new DataColumn("Rating", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnRating);
                this.columnStatus = new DataColumn("Status", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnStatus);
                this.columnPostedBy = new DataColumn("PostedBy", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnPostedBy);
                this.columnAbstract = new DataColumn("Abstract", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnAbstract);
                this.columnComments = new DataColumn("Comments", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnComments);
                this.columnArticleID.AllowDBNull = false;
                this.columnCategory.AllowDBNull = false;
                this.columnFileName.AllowDBNull = false;
                this.columnRating.ReadOnly = true;
                this.columnStatus.ReadOnly = true;
                this.columnAbstract.ReadOnly = true;
                this.columnComments.ReadOnly = 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 int ArticleID {
                get {
                    return ((int)(this[this.table_Table.ArticleIDColumn]));
                }
                set {
                    this[this.table_Table.ArticleIDColumn] = value;
                }
            }
            
            public string Category {
                get {
                    return ((string)(this[this.table_Table.CategoryColumn]));
                }
                set {
                    this[this.table_Table.CategoryColumn] = value;
                }
            }
            
            public string FileName {
                get {
                    return ((string)(this[this.table_Table.FileNameColumn]));
                }
                set {
                    this[this.table_Table.FileNameColumn] = value;
                }
            }
            
            public string Rating {
                get {
                    try {
                        return ((string)(this[this.table_Table.RatingColumn]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("Cannot get value because it is DBNull.", e);
                    }
                }
                set {
                    this[this.table_Table.RatingColumn] = value;
                }
            }
            
            public string Status {
                get {
                    try {
                        return ((string)(this[this.table_Table.StatusColumn]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("Cannot get value because it is DBNull.", e);
                    }
                }
                set {
                    this[this.table_Table.StatusColumn] = value;
                }
            }
            
            public string PostedBy {
                get {
                    try {
                        return ((string)(this[this.table_Table.PostedByColumn]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("Cannot get value because it is DBNull.", e);
                    }
                }
                set {
                    this[this.table_Table.PostedByColumn] = value;
                }
            }
            
            public string Abstract {
                get {
                    try {
                        return ((string)(this[this.table_Table.AbstractColumn]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("Cannot get value because it is DBNull.", e);
                    }
                }
                set {
                    this[this.table_Table.AbstractColumn] = value;
                }
            }
            
            public string Comments {
                get {
                    try {
                        return ((string)(this[this.table_Table.CommentsColumn]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("Cannot get value because it is DBNull.", e);
                    }
                }
                set {
                    this[this.table_Table.CommentsColumn] = value;
                }
            }
            
            public bool IsRatingNull() {
                return this.IsNull(this.table_Table.RatingColumn);
            }
            
            public void SetRatingNull() {
                this[this.table_Table.RatingColumn] = System.Convert.DBNull;
            }
            
            public bool IsStatusNull() {
                return this.IsNull(this.table_Table.StatusColumn);
            }
            
            public void SetStatusNull() {
                this[this.table_Table.StatusColumn] = System.Convert.DBNull;
            }
            
            public bool IsPostedByNull() {
                return this.IsNull(this.table_Table.PostedByColumn);
            }
            
            public void SetPostedByNull() {
                this[this.table_Table.PostedByColumn] = System.Convert.DBNull;
            }
            
            public bool IsAbstractNull() {
                return this.IsNull(this.table_Table.AbstractColumn);
            }
            
            public void SetAbstractNull() {
                this[this.table_Table.AbstractColumn] = System.Convert.DBNull;
            }
            
            public bool IsCommentsNull() {
                return this.IsNull(this.table_Table.CommentsColumn);
            }
            
            public void SetCommentsNull() {
                this[this.table_Table.CommentsColumn] = 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;
                }
            }
        }
        
        [System.Diagnostics.DebuggerStepThrough()]
        public class CategoryDataTable : DataTable, System.Collections.IEnumerable {
            
            private DataColumn columnCategory;
            
            private DataColumn columnCategoryID;
            
            internal CategoryDataTable() : 
                    base("Category") {
                this.InitClass();
            }
            
            internal CategoryDataTable(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 CategoryColumn {
                get {
                    return this.columnCategory;
                }
            }
            
            internal DataColumn CategoryIDColumn {
                get {
                    return this.columnCategoryID;
                }
            }
            
            public CategoryRow this[int index] {
                get {
                    return ((CategoryRow)(this.Rows[index]));
                }
            }
            
            public event CategoryRowChangeEventHandler CategoryRowChanged;
            
            public event CategoryRowChangeEventHandler CategoryRowChanging;
            
            public event CategoryRowChangeEventHandler CategoryRowDeleted;
            
            public event CategoryRowChangeEventHandler CategoryRowDeleting;
            
            public void AddCategoryRow(CategoryRow row) {
                this.Rows.Add(row);
            }
            
            public CategoryRow AddCategoryRow(string Category, int CategoryID) {
                CategoryRow rowCategoryRow = ((CategoryRow)(this.NewRow()));
                rowCategoryRow.ItemArray = new object[] {
                        Category,
                        CategoryID};
                this.Rows.Add(rowCategoryRow);
                return rowCategoryRow;
            }
            
            public System.Collections.IEnumerator GetEnumerator() {
                return this.Rows.GetEnumerator();
            }
            
            public override DataTable Clone() {
                CategoryDataTable cln = ((CategoryDataTable)(base.Clone()));
                cln.InitVars();
                return cln;
            }
            
            protected override DataTable CreateInstance() {
                return new CategoryDataTable();
            }
            
            internal void InitVars() {
                this.columnCategory = this.Columns["Category"];
                this.columnCategoryID = this.Columns["CategoryID"];
            }
            
            private void InitClass() {
                this.columnCategory = new DataColumn("Category", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnCategory);
                this.columnCategoryID = new DataColumn("CategoryID", typeof(int), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnCategoryID);
                this.columnCategory.AllowDBNull = false;
                this.columnCategoryID.AllowDBNull = false;
            }