/// <summary>
/// �������ݿ����ͻ�ȡ������
/// �����ߣ�ycf
/// ����ʱ�䣺 20100304
/// <example >����ʾ��
/// <code>
/// yltl.DBUtility.DataBaseOper.GetDataBaseOper(ConnectionString)
/// </code>
/// ���أ�IDataBaseOper
/// </example> ///
/// </summary>
/// <param name="ConnectionString">access���ݿ������ַ���</param>
/// <returns></returns>
public static IDataBaseOper GetDataBaseOper_ConnectionString(string ConnectionString)
{
dbOper_Access = new AccessHelper(ConnectionString);
return dbOper_Access;
}
/// <summary>
/// �������ݿ����ͻ�ȡ������
/// <example >����ʾ��
/// <code>
/// yltl.DBUtility.DataBaseOper.GetDataBaseOper(AccessConnectionType.Oralce)
/// </code>
/// ���أ�IDataBaseOper
/// </example>
/// �����ߣ�wls 20090902
/// </summary>
/// <param name="at">���ݿ�����</param>
/// <returns>DataBaseOper ���ݲ�����</returns>
public static IDataBaseOper GetDataBaseOper(eDBType dbtype)
{
switch (dbtype)
{
case eDBType.Access:
if (dbOper_Access == null)
{
dbOper_Access = new AccessHelper(dbtype);
}
return dbOper_Access;
break;
case eDBType.Sybase:
if (dbOper_Sybase == null)
{
dbOper_Sybase = new SybaseHelper(dbtype);
}
return dbOper_Sybase;
break;
case eDBType.Oracle:
if (dbOper == null)
{
dbOper = new OracleHelper(dbtype);
}
return dbOper;
break;
break;
case eDBType.SqlServer:
if (dbOper_SqlServer == null)
{
return dbOper_SqlServer = new SqlServerHelper(dbtype);
}
return dbOper_SqlServer;
break;
default: //Ĭ���DZ��ؿ�
throw new NotImplementedException("δʵ�ֵ����ݿ����Ͷ�ȡ:" + dbtype.ToString());
break;
}
return null;
}
private static Hashtable dbOper_Custom_Hashtable;//自定义的数据库连接 只有接口中定义的方法 保持连接的
#region 获取数据库连接
/// <summary>
/// 根据数据库类型获取操作类
/// 创建者：ycf
/// 创建时间： 20100304
/// <example >调用示例
/// <code>
/// yltl.DBUtility.DataBaseOper.GetDataBaseOper(ConnectionString)
/// </code>
/// 返回：IDataBaseOper
/// </example> ///
/// </summary>
/// <param name="ConnectionString">access数据库连接字符串</param>
/// <returns></returns>
public static IDataBaseOper GetDataBaseOper_ConnectionString(string ConnectionString)
{
dbOper_Access = new AccessHelper(ConnectionString);
return(dbOper_Access);
}