csharp: 用EnterPRise Library对象实体绑定数据

Enterprise Library: https://msdn.microsoft.com/en-us/library/ff648951.aspx

/// <summary>        /// 是否存在该记录        /// </summary>        /// <param name="ReportID"></param>        /// <returns></returns>        public bool Exists(string ReportID)        {            Database db = DatabaseFactory.CreateDatabase();            StringBuilder strSql = new StringBuilder();            strSql.Append("select count(1) from BookPlaceList where BookPlaceID=@BookPlaceID ");            DbCommand dbCommand = db.GetSqlStringCommand(strSql.ToString());            db.AddInParameter(dbCommand, "BookPlaceID", DbType.AnsiString, ReportID);            int cmdresult;            object obj = db.ExecuteScalar(dbCommand);            if ((Object.Equals(obj, null)) || (Object.Equals(obj, System.DBNull.Value)))            {                cmdresult = 0;            }            else            {                cmdresult = int.Parse(obj.ToString());            }            if (cmdresult == 0)            {                return false;            }            else            {                return true;            }        }        /// <summary>        /// 增加一条数据        /// </summary>        /// <param name="model"></param>        public int Add(BookPlaceListInfo model)        {            int i=0;            StringBuilder strSql = new StringBuilder();            strSql.Append("insert into BookPlaceList(");            strSql.Append("BookPlaceName,BookPlaceCode,BookPlaceParent)");            strSql.Append(" values (");            strSql.Append("@BookPlaceName,@BookPlaceCode,@BookPlaceParent)");            Database db = DatabaseFactory.CreateDatabase();            DbCommand dbCommand = db.GetSqlStringCommand(strSql.ToString());            db.AddInParameter(dbCommand, "BookPlaceName", DbType.String, model.BookPlaceName);            db.AddInParameter(dbCommand, "BookPlaceCode", DbType.String, model.BookPlaceCode);            db.AddInParameter(dbCommand, "BookPlaceParent", DbType.Int32, model.BookPlaceParent);            i=db.ExecuteNonQuery(dbCommand);            return i;        }        /// <summary>        /// 更新一条数据        /// </summary>        /// <param name="model"></param>        /// <returns></returns>        public int Update(BookPlaceListInfo model)        {            int i = 0;            StringBuilder strSql = new StringBuilder();            strSql.Append("update BookPlaceList set ");            strSql.Append("BookPlaceName=@BookPlaceName,");            strSql.Append("BookPlaceCode=@BookPlaceCode,");            strSql.Append("BookPlaceParent=@BookPlaceParent,");            strSql.Append(" where BookPlaceID=@BookPlaceID ");            Database db = DatabaseFactory.CreateDatabase();            DbCommand dbCommand = db.GetSqlStringCommand(strSql.ToString());            db.AddInParameter(dbCommand, "BookPlaceID", DbType.Int32, model.BookPlaceID);            db.AddInParameter(dbCommand, "BookPlaceName", DbType.String, model.BookPlaceName);            db.AddInParameter(dbCommand, "BookPlaceCode", DbType.String, model.BookPlaceCode);            db.AddInParameter(dbCommand, "BookPlaceParent", DbType.Int32, model.BookPlaceParent);            i= db.ExecuteNonQuery(dbCommand);            return i;        }        /// <summary>        ///         /// </summary>        /// <param name="ReportID"></param>        /// <returns></returns>        public int Delete(string ReportID)        {            int i = 0;            StringBuilder strSql = new StringBuilder();            strSql.Append("delete BookPlaceList ");            strSql.Append(" where bookPlaceID=@bookPlaceID ");            Database db = DatabaseFactory.CreateDatabase();            DbCommand dbCommand = db.GetSqlStringCommand(strSql.ToString());            db.AddInParameter(dbCommand, "bookPlaceID", DbType.AnsiString, ReportID);            i=db.ExecuteNonQuery(dbCommand);            return i;        }        /// <summary>        /// 获得数据列表        /// </summary>        /// <param name="strWhere"></param>        /// <returns></returns>        public DataSet GetList(string strWhere)        {            StringBuilder strSql = new StringBuilder();            strSql.Append("select * ");            strSql.Append(" FROM BookPlaceList ");            if (strWhere.Trim() != "")            {                strSql.Append(" where " + strWhere);            }            Database db = DatabaseFactory.CreateDatabase();            return db.ExecuteDataSet(CommandType.Text, strSql.ToString());        }        /// <summary>        /// 获得数据列表（比DataSet效率高，推荐使用）        /// using Microsoft.Practices.EnterpriseLibrary.Data;        ///using Microsoft.Practices.EnterpriseLibrary.Data.Sql;        /// </summary>        /// <param name="strWhere"></param>        /// <returns></returns>        public List<BookPlaceListInfo> GetListArray(string strWhere)        {            StringBuilder strSql = new StringBuilder();            strSql.Append("select * ");            strSql.Append(" FROM BookPlaceList ");            if (strWhere.Trim() != "")            {                strSql.Append(" where " + strWhere);            }            List<BookPlaceListInfo> list = new List<BookPlaceListInfo>();            Database db = DatabaseFactory.CreateDatabase();            using (IDataReader dataReader = db.ExecuteReader(CommandType.Text, strSql.ToString()))            {                while (dataReader.Read())                {                    list.Add(ReaderBind(dataReader));                }            }            return list;        }        /// <summary>        /// 得到一个对象实体        /// </summary>        public BookPlaceListInfo GetModel(string bookPlaceID)        {            StringBuilder strSql = new StringBuilder();            strSql.Append("select * from BookPlaceList ");            strSql.Append(" where bookPlaceID=@bookPlaceID ");            Database db = DatabaseFactory.CreateDatabase();            DbCommand dbCommand = db.GetSqlStringCommand(strSql.ToString());            db.AddInParameter(dbCommand, "bookPlaceID", DbType.AnsiString, bookPlaceID);            BookPlaceListInfo model = null;            using (IDataReader dataReader = db.ExecuteReader(dbCommand))            {                if (dataReader.Read())                {                    model = ReaderBind(dataReader);                }            }            return model;        }        /// <summary>        /// 对象实体绑定数据        /// </summary>        /// <param name="dataReader"></param>        /// <returns></returns>        private BookPlaceListInfo ReaderBind(IDataReader dataReader)        {            BookPlaceListInfo bookPlaceList = new BookPlaceListInfo();            //1.            //object ojb;            //ojb = dataReader["BookPlaceID"];            //if (ojb != null && ojb != DBNull.Value)            //{            //    bookPlaceList.BookPlaceID = (int)ojb;            //}            //ojb = dataReader["BookPlaceName"];            //if (ojb != null && ojb != DBNull.Value)            //{            //    bookPlaceList.BookPlaceName = (string)ojb;            //}            //2.            bookPlaceList.BookPlaceID = (!object.Equals(dataReader["BookPlaceID"], null)) ? (int)dataReader["BookPlaceID"] : 0;            bookPlaceList.BookPlaceName = (!object.Equals(dataReader["BookPlaceName"], null)) ? (string)dataReader["BookPlaceName"] : "";            bookPlaceList.BookPlaceCode = (!object.Equals(dataReader["BookPlaceCode"], null)) ? (string)dataReader["BookPlaceCode"] : "";            bookPlaceList.BookPlaceParent = (!object.Equals(dataReader["BookPlaceParent"], null)) ? (int)dataReader["BookPlaceParent"] : 0;            return bookPlaceList;        }

　http://www.codeproject.com/Articles/12035/Updating-a-DataSet-with-Multiple-Tables-using-Ente