/// <summary>
/// 删除一条记录（指定数据库）
/// </summary>
/// <param name="conn"></param>
/// <param name="obj"></param>
/// <returns></returns>
public bool Delete(IConnection conn, object obj)
{
ObjectManager oa = _d1.GetObjectManager(obj.GetType());
return(oa.MyDelete(conn, obj) == 1);
}
/// <summary>
/// 删除满足条件的记录（指定数据库）
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="conn"></param>
/// <param name="condition"></param>
/// <returns></returns>
public int DeleteList <T>(IConnection conn, Criteria condition)
{
ObjectManager oa = _d1.GetObjectManager(typeof(T));
return(oa.MyDeleteList(conn, condition));
}
/// <summary>
///选取一条记录（仅列出字段有效）（指定数据库）
/// </summary>
/// <param name="conn"></param>
/// <param name="obj"></param>
/// <param name="fields"></param>
public void Select(IConnection conn, object obj, string[] fields)
{
ObjectManager oa = _d1.GetObjectManager(obj.GetType());
oa.MySelect(conn, obj, fields);
}