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📄 dsquery.cs

📁 教材管理系统 asp设计本文主要介绍了基于JSP技术的电子商务动态网站
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                return this.Rows.GetEnumerator();
            }
            
            public override DataTable Clone() {
                tblBookInfoDataTable cln = ((tblBookInfoDataTable)(base.Clone()));
                cln.InitVars();
                return cln;
            }
            
            protected override DataTable CreateInstance() {
                return new tblBookInfoDataTable();
            }
            
            internal void InitVars() {
                this.columnBookName = this.Columns["BookName"];
                this.columnBookInfoId = this.Columns["BookInfoId"];
                this.columnAuthor = this.Columns["Author"];
                this.columnPublish = this.Columns["Publish"];
                this.columnBookAttribute = this.Columns["BookAttribute"];
                this.columnStorage = this.Columns["Storage"];
                this.columnBookAttributeID = this.Columns["BookAttributeID"];
                this.columnBookStorageID = this.Columns["BookStorageID"];
            }
            
            private void InitClass() {
                this.columnBookName = new DataColumn("BookName", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnBookName);
                this.columnBookInfoId = new DataColumn("BookInfoId", typeof(int), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnBookInfoId);
                this.columnAuthor = new DataColumn("Author", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnAuthor);
                this.columnPublish = new DataColumn("Publish", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnPublish);
                this.columnBookAttribute = new DataColumn("BookAttribute", typeof(string), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnBookAttribute);
                this.columnStorage = new DataColumn("Storage", typeof(int), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnStorage);
                this.columnBookAttributeID = new DataColumn("BookAttributeID", typeof(int), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnBookAttributeID);
                this.columnBookStorageID = new DataColumn("BookStorageID", typeof(int), null, System.Data.MappingType.Element);
                this.Columns.Add(this.columnBookStorageID);
                this.Constraints.Add(new UniqueConstraint("Constraint1", new DataColumn[] {
                                this.columnBookInfoId,
                                this.columnBookAttributeID,
                                this.columnBookStorageID}, true));
                this.columnBookInfoId.AllowDBNull = false;
                this.columnBookAttributeID.AllowDBNull = false;
                this.columnBookStorageID.AllowDBNull = false;
            }
            
            public tblBookInfoRow NewtblBookInfoRow() {
                return ((tblBookInfoRow)(this.NewRow()));
            }
            
            protected override DataRow NewRowFromBuilder(DataRowBuilder builder) {
                return new tblBookInfoRow(builder);
            }
            
            protected override System.Type GetRowType() {
                return typeof(tblBookInfoRow);
            }
            
            protected override void OnRowChanged(DataRowChangeEventArgs e) {
                base.OnRowChanged(e);
                if ((this.tblBookInfoRowChanged != null)) {
                    this.tblBookInfoRowChanged(this, new tblBookInfoRowChangeEvent(((tblBookInfoRow)(e.Row)), e.Action));
                }
            }
            
            protected override void OnRowChanging(DataRowChangeEventArgs e) {
                base.OnRowChanging(e);
                if ((this.tblBookInfoRowChanging != null)) {
                    this.tblBookInfoRowChanging(this, new tblBookInfoRowChangeEvent(((tblBookInfoRow)(e.Row)), e.Action));
                }
            }
            
            protected override void OnRowDeleted(DataRowChangeEventArgs e) {
                base.OnRowDeleted(e);
                if ((this.tblBookInfoRowDeleted != null)) {
                    this.tblBookInfoRowDeleted(this, new tblBookInfoRowChangeEvent(((tblBookInfoRow)(e.Row)), e.Action));
                }
            }
            
            protected override void OnRowDeleting(DataRowChangeEventArgs e) {
                base.OnRowDeleting(e);
                if ((this.tblBookInfoRowDeleting != null)) {
                    this.tblBookInfoRowDeleting(this, new tblBookInfoRowChangeEvent(((tblBookInfoRow)(e.Row)), e.Action));
                }
            }
            
            public void RemovetblBookInfoRow(tblBookInfoRow row) {
                this.Rows.Remove(row);
            }
        }
        
        [System.Diagnostics.DebuggerStepThrough()]
        public class tblBookInfoRow : DataRow {
            
            private tblBookInfoDataTable tabletblBookInfo;
            
            internal tblBookInfoRow(DataRowBuilder rb) : 
                    base(rb) {
                this.tabletblBookInfo = ((tblBookInfoDataTable)(this.Table));
            }
            
            public string BookName {
                get {
                    try {
                        return ((string)(this[this.tabletblBookInfo.BookNameColumn]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("无法获取值,因为它是 DBNull。", e);
                    }
                }
                set {
                    this[this.tabletblBookInfo.BookNameColumn] = value;
                }
            }
            
            public int BookInfoId {
                get {
                    return ((int)(this[this.tabletblBookInfo.BookInfoIdColumn]));
                }
                set {
                    this[this.tabletblBookInfo.BookInfoIdColumn] = value;
                }
            }
            
            public string Author {
                get {
                    try {
                        return ((string)(this[this.tabletblBookInfo.AuthorColumn]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("无法获取值,因为它是 DBNull。", e);
                    }
                }
                set {
                    this[this.tabletblBookInfo.AuthorColumn] = value;
                }
            }
            
            public string Publish {
                get {
                    try {
                        return ((string)(this[this.tabletblBookInfo.PublishColumn]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("无法获取值,因为它是 DBNull。", e);
                    }
                }
                set {
                    this[this.tabletblBookInfo.PublishColumn] = value;
                }
            }
            
            public string BookAttribute {
                get {
                    try {
                        return ((string)(this[this.tabletblBookInfo.BookAttributeColumn]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("无法获取值,因为它是 DBNull。", e);
                    }
                }
                set {
                    this[this.tabletblBookInfo.BookAttributeColumn] = value;
                }
            }
            
            public int Storage {
                get {
                    try {
                        return ((int)(this[this.tabletblBookInfo.StorageColumn]));
                    }
                    catch (InvalidCastException e) {
                        throw new StrongTypingException("无法获取值,因为它是 DBNull。", e);
                    }
                }
                set {
                    this[this.tabletblBookInfo.StorageColumn] = value;
                }
            }
            
            public int BookAttributeID {
                get {
                    return ((int)(this[this.tabletblBookInfo.BookAttributeIDColumn]));
                }
                set {
                    this[this.tabletblBookInfo.BookAttributeIDColumn] = value;
                }
            }
            
            public int BookStorageID {
                get {
                    return ((int)(this[this.tabletblBookInfo.BookStorageIDColumn]));
                }
                set {
                    this[this.tabletblBookInfo.BookStorageIDColumn] = value;
                }
            }
            
            public bool IsBookNameNull() {
                return this.IsNull(this.tabletblBookInfo.BookNameColumn);
            }
            
            public void SetBookNameNull() {
                this[this.tabletblBookInfo.BookNameColumn] = System.Convert.DBNull;
            }
            
            public bool IsAuthorNull() {
                return this.IsNull(this.tabletblBookInfo.AuthorColumn);
            }
            
            public void SetAuthorNull() {
                this[this.tabletblBookInfo.AuthorColumn] = System.Convert.DBNull;
            }
            
            public bool IsPublishNull() {
                return this.IsNull(this.tabletblBookInfo.PublishColumn);
            }
            
            public void SetPublishNull() {
                this[this.tabletblBookInfo.PublishColumn] = System.Convert.DBNull;
            }
            
            public bool IsBookAttributeNull() {
                return this.IsNull(this.tabletblBookInfo.BookAttributeColumn);
            }
            
            public void SetBookAttributeNull() {
                this[this.tabletblBookInfo.BookAttributeColumn] = System.Convert.DBNull;
            }
            
            public bool IsStorageNull() {
                return this.IsNull(this.tabletblBookInfo.StorageColumn);
            }
            
            public void SetStorageNull() {
                this[this.tabletblBookInfo.StorageColumn] = System.Convert.DBNull;
            }
        }
        
        [System.Diagnostics.DebuggerStepThrough()]
        public class tblBookInfoRowChangeEvent : EventArgs {
            
            private tblBookInfoRow eventRow;
            
            private DataRowAction eventAction;
            
            public tblBookInfoRowChangeEvent(tblBookInfoRow row, DataRowAction action) {
                this.eventRow = row;
                this.eventAction = action;
            }
            
            public tblBookInfoRow Row {
                get {
                    return this.eventRow;
                }
            }
            
            public DataRowAction Action {
                get {
                    return this.eventAction;
                }
            }
        }
    }
}

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