利用配置文件实现SQL Server与Oralce访问类的转换

复制using System; using System.Data; using System.Configuration; using System.Web;

using System.Data.OracleClient;

///

/// 访问Oracle数据库 /// /// namespace DBHelper {     public class OracleHelper : IDAL     {         public OracleHelper()         {             //             // TODO: 在此处添加构造函数逻辑             //         }

        #region IDAL 成员

        public DataSet GetDataSet(string query)         {                     OracleConnection con = new OracleConnection(ConfigurationSettings.AppSettings["oracle"]);             OracleDataAdapter da = new OracleDataAdapter(query,利用 con);             DataSet ds = new DataSet();             da.Fill(ds);             return ds;        }

        #endregion     } }

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