articlesds.cs

数字图书馆网站

            }
            
            internal DataColumn FileNameColumn {
                get {
                    return this.columnFileName;
                }
            }
            
            internal DataColumn RatingColumn {
                get {
                    return this.columnRating;
                }
            }
            
            internal DataColumn StatusColumn {
                get {
                    return this.columnStatus;
                }
            }
            
            internal DataColumn PostedByColumn {
                get {
                    return this.columnPostedBy;
                }
            }
            
            internal DataColumn AbstractColumn {
                get {
                    return this.columnAbstract;
                }
            }
            
            internal DataColumn CommentsColumn {
                get {
                    return this.columnComments;
                }
            }
            
            public ArticlesRow this[int index] {
                get {
                    return ((ArticlesRow)(this.Rows[index]));
                }
            }
            
            public event ArticlesRowChangeEventHandler ArticlesRowChanged;
            
            public event ArticlesRowChangeEventHandler ArticlesRowChanging;
            
            public event ArticlesRowChangeEventHandler ArticlesRowDeleted;
            
            public event ArticlesRowChangeEventHandler ArticlesRowDeleting;
            
            public void AddArticlesRow(ArticlesRow row) {
                this.Rows.Add(row);
            }
            
            public ArticlesRow AddArticlesRow(int ArticleID, string Category, string FileName, string Rating, string Status, string PostedBy, string Abstract, string Comments) {
                ArticlesRow rowArticlesRow = ((ArticlesRow)(this.NewRow()));
                rowArticlesRow.ItemArray = new object[] {
                        ArticleID,
                        Category,
                        FileName,
                        Rating,
                        Status,
                        PostedBy,
                        Abstract,
                        Comments};
                this.Rows.Add(rowArticlesRow);
                return rowArticlesRow;
            }
            
            public System.Collections.IEnumerator GetEnumerator() {
                return this.Rows.GetEnumerator();
            }
            
            public override DataTable Clone() {
                ArticlesDataTable cln = ((ArticlesDataTable)(base.Clone()));
                cln.InitVars();
                return cln;
            }
            
            protected override DataTable CreateInstance() {
                return new ArticlesDataTable();
            }
            
            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.ReadOnly = true;
                this.columnFileName.AllowDBNull = false;
                this.columnRating.ReadOnly = true;
                this.columnStatus.ReadOnly = true;
                this.columnAbstract.ReadOnly = true;
                this.columnComments.ReadOnly = true;
            }
            
            public ArticlesRow NewArticlesRow() {
                return ((ArticlesRow)(this.NewRow()));
            }
            
            protected override DataRow NewRowFromBuilder(DataRowBuilder builder) {
                return new ArticlesRow(builder);
            }
            
            protected override System.Type GetRowType() {
                return typeof(ArticlesRow);
            }
            
            protected override void OnRowChanged(DataRowChangeEventArgs e) {
                base.OnRowChanged(e);
                if ((this.ArticlesRowChanged != null)) {
                    this.ArticlesRowChanged(this, new ArticlesRowChangeEvent(((ArticlesRow)(e.Row)), e.Action));
                }
            }
            
            protected override void OnRowChanging(DataRowChangeEventArgs e) {
                base.OnRowChanging(e);
                if ((this.ArticlesRowChanging != null)) {
                    this.ArticlesRowChanging(this, new ArticlesRowChangeEvent(((ArticlesRow)(e.Row)), e.Action));
                }
            }
            
            protected override void OnRowDeleted(DataRowChangeEventArgs e) {
                base.OnRowDeleted(e);
                if ((this.ArticlesRowDeleted != null)) {
                    this.ArticlesRowDeleted(this, new ArticlesRowChangeEvent(((ArticlesRow)(e.Row)), e.Action));
                }
            }
            
            protected override void OnRowDeleting(DataRowChangeEventArgs e) {
                base.OnRowDeleting(e);
                if ((this.ArticlesRowDeleting != null)) {
                    this.ArticlesRowDeleting(this, new ArticlesRowChangeEvent(((ArticlesRow)(e.Row)), e.Action));
                }
            }
            
            public void RemoveArticlesRow(ArticlesRow row) {
                this.Rows.Remove(row);
            }
        }
        
        [System.Diagnostics.DebuggerStepThrough()]
        public class ArticlesRow : DataRow {
            
            private ArticlesDataTable tableArticles;
            
            internal ArticlesRow(DataRowBuilder rb) : 
                    base(rb) {
                this.tableArticles = ((ArticlesDataTable)(this.Table));
            }
            
            public int ArticleID {
                get {
                    return ((int)(this[this.tableArticles.ArticleIDColumn]));
                }
                set {
                    this[this.tableArticles.ArticleIDColumn] = value;
                }
            }
            
            public string Category {
                get {
                    try {
                        return ((string)(this[this.tableArticles.CategoryColumn]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("Cannot get value because it is DBNull.", e);
                    }
                }
                set {
                    this[this.tableArticles.CategoryColumn] = value;
                }
            }
            
            public string FileName {
                get {
                    return ((string)(this[this.tableArticles.FileNameColumn]));
                }
                set {
                    this[this.tableArticles.FileNameColumn] = value;
                }
            }
            
            public string Rating {
                get {
                    try {
                        return ((string)(this[this.tableArticles.RatingColumn]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("Cannot get value because it is DBNull.", e);
                    }
                }
                set {
                    this[this.tableArticles.RatingColumn] = value;
                }
            }
            
            public string Status {
                get {
                    try {
                        return ((string)(this[this.tableArticles.StatusColumn]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("Cannot get value because it is DBNull.", e);
                    }
                }
                set {
                    this[this.tableArticles.StatusColumn] = value;
                }
            }
            
            public string PostedBy {
                get {
                    try {
                        return ((string)(this[this.tableArticles.PostedByColumn]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("Cannot get value because it is DBNull.", e);
                    }
                }
                set {
                    this[this.tableArticles.PostedByColumn] = value;
                }
            }
            
            public string Abstract {
                get {
                    try {
                        return ((string)(this[this.tableArticles.AbstractColumn]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("Cannot get value because it is DBNull.", e);
                    }
                }
                set {
                    this[this.tableArticles.AbstractColumn] = value;
                }
            }
            
            public string Comments {
                get {
                    try {
                        return ((string)(this[this.tableArticles.CommentsColumn]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("Cannot get value because it is DBNull.", e);
                    }
                }
                set {
                    this[this.tableArticles.CommentsColumn] = value;
                }
            }
            
            public bool IsCategoryNull() {
                return this.IsNull(this.tableArticles.CategoryColumn);
            }
            
            public void SetCategoryNull() {
                this[this.tableArticles.CategoryColumn] = System.Convert.DBNull;
            }
            
            public bool IsRatingNull() {
                return this.IsNull(this.tableArticles.RatingColumn);
            }
            
            public void SetRatingNull() {
                this[this.tableArticles.RatingColumn] = System.Convert.DBNull;
            }
            
            public bool IsStatusNull() {
                return this.IsNull(this.tableArticles.StatusColumn);
            }
            
            public void SetStatusNull() {
                this[this.tableArticles.StatusColumn] = System.Convert.DBNull;
            }
            
            public bool IsPostedByNull() {
                return this.IsNull(this.tableArticles.PostedByColumn);
            }
            
            public void SetPostedByNull() {
                this[this.tableArticles.PostedByColumn] = System.Convert.DBNull;
            }
            
            public bool IsAbstractNull() {
                return this.IsNull(this.tableArticles.AbstractColumn);
            }
            
            public void SetAbstractNull() {
                this[this.tableArticles.AbstractColumn] = System.Convert.DBNull;
            }
            
            public bool IsCommentsNull() {
                return this.IsNull(this.tableArticles.CommentsColumn);
            }
            
            public void SetCommentsNull() {
                this[this.tableArticles.CommentsColumn] = System.Convert.DBNull;
            }
        }
        
        [System.Diagnostics.DebuggerStepThrough()]
        public class ArticlesRowChangeEvent : EventArgs {
            
            private ArticlesRow eventRow;
            
            private DataRowAction eventAction;
            
            public ArticlesRowChangeEvent(ArticlesRow row, DataRowAction action) {
                this.eventRow = row;
                this.eventAction = action;
            }
            
            public ArticlesRow Row {
                get {
                    return this.eventRow;
                }
            }
            
            public DataRowAction Action {
                get {
                    return this.eventAction;
                }
            }
        }
    }
}