csharp: 用Enterprise Library对象实体绑定数据

 

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

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/// <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　

// Dbcommandwrapper
// Database myDatabase = DatabaseFactory.CreateDatabase();
// DBCommandWrapper myCommand = myDatabase.GetStoredProcCommandWrapper("sp_ConsignedItemsInsert");