public bool RemoveTeacherToDB(DBManager db, String teacherID)
{
String[] key = { "paid_group_id", "teacher_id" };
String[] val = { _paidGroupID.ToString(), teacherID };
return (db.Delete("paid_group_teacher_mapping", "paid_group_id=" + _paidGroupID + " AND teacher_id=" + teacherID) > 0) ? true : false;
}
public override bool DeleteToDB(DBManager db)
{
if (_courseID <= 0) return false;
return (db.Delete("payment", "course_id=" + _courseID) > 0) ? true : false;
}
public override bool DeleteToDB(DBManager db)
{
if (_paidGroupID <= 0) return false;
return (db.Delete("paid_group", "paid_group_id=" + _paidGroupID) > 0) ? true : false;
}
public override bool DeleteToDB(DBManager db)
{
if (String.IsNullOrEmpty(_username)) return false;
return (db.Delete("user", "username='******'") > 0) ? true : false;
}
public override bool DeleteToDB(DBManager db)
{
if (_branchID <= 0) return false;
return (db.Delete("branch", "branch_id=" + _branchID) > 0) ? true : false;
}
public override bool DeleteToDB(DBManager db)
{
if (_roomID <= 0) return false;
return (db.Delete("room", "room_id=" + _roomID) > 0) ? true : false;
}
public override bool DeleteToDB(DBManager db)
{
if (String.IsNullOrEmpty(_name)) return false;
return (db.Delete("Role", "role_id='" + _roleId + "'") > 0) ? true : false;
}
public override bool DeleteToDB(DBManager db)
{
if (_regisID <= 0) return false;
return (db.Delete("registration", "regis_id=" + _regisID) > 0) ? true : false;
}
