public static int DBDelete(TcpDataDelete dataDelete) { if (dataDelete == null) { throw new ArgumentNullException(nameof(dataDelete)); } if (string.IsNullOrWhiteSpace(dataDelete.TableName)) { throw new ArgumentException("테이블명은 공백이거나 null 일 수 없습니다.", nameof(dataDelete.TableName)); } if (string.IsNullOrWhiteSpace(dataDelete.Where)) { throw new ArgumentException("조건문은 공백이거나 null 일 수 없습니다.", nameof(dataDelete.Where)); } OleDbCommand cmd = new OleDbCommand(); cmd.Connection = mConnection; cmd.CommandText = $"DELETE FROM {dataDelete.TableName} WHERE {dataDelete.Where}"; int count; lock (LOCKER) { count = cmd.ExecuteNonQuery(); } return(count); }
static void Main(string[] args) { DatabaseManager.Initialize(); TcpAccountInfo accInfo = new TcpAccountInfo("root", "123qweasd", "김정현", "Super"); if (DatabaseManager.TryToRegister(accInfo, false)) { Console.WriteLine("root 계정을 추가하였습니다."); } else { Console.WriteLine("root 계정이 이미 있으므로 추가하지 않았습니다."); } TcpLoginInfo loginInfo1 = new TcpLoginInfo("wrong", "123qweasd"); TcpLoginInfo loginInfo2 = new TcpLoginInfo("root", "wrong"); TcpLoginInfo loginInfo3 = new TcpLoginInfo("root", "123qweasd"); Console.WriteLine(DatabaseManager.MatchLoginInfo(loginInfo1).ToString()); Console.WriteLine(DatabaseManager.MatchLoginInfo(loginInfo2).ToString()); Console.WriteLine(DatabaseManager.MatchLoginInfo(loginInfo3).ToString()); TcpDataInsert insert = new TcpDataInsert(); List <DatabaseValues> values = new List <DatabaseValues>(); values.Add(new DatabaseValues("#2000-8-14#", "99".ToSQLString(), "99".ToSQLString(), "99".ToSQLString(), "김정현".ToSQLString(), "1", "1", "1", "1", "1", "1", "1", "1", "1")); values.Add(new DatabaseValues("#2000-8-14#", "99".ToSQLString(), "99".ToSQLString(), "100".ToSQLString(), "김정현".ToSQLString(), "1", "1", "1", "1", "1", "1", "1", "1", "1")); values.Add(new DatabaseValues("#2000-8-14#", "99".ToSQLString(), "99".ToSQLString(), "101".ToSQLString(), "김정현".ToSQLString(), "1", "1", "1", "1", "1", "1", "1", "1", "1")); insert.ColumnsText = ""; insert.TableName = "출석부"; insert.Values = values; Console.WriteLine($"출석부에 {DatabaseManager.DBInsert(insert)}개 줄이 추가됨."); TcpDataUpdate update = new TcpDataUpdate(); update.TableName = "출석부"; update.Setter.Add("[0교시]", "2"); update.Setter.Add("[1교시]", "2"); update.Setter.Add("[2교시]", "2"); update.Setter.Add("[3교시]", "2"); update.Where = "[일자]=#2000-8-14# AND 학년=\"99\" AND 반=\"99\" AND 번호=\"99\""; Console.WriteLine($"출석부에서 {DatabaseManager.DBUpdate(update)}개 줄이 업데이트됨."); TcpDataDelete delete = new TcpDataDelete(); delete.TableName = "[출석부]"; delete.Where = "[일자]=#2000-8-14# AND 학년=\"99\" AND 반=\"99\" AND 번호=\"99\""; Console.WriteLine($"출석부에서 {DatabaseManager.DBDelete(delete)}개 줄이 삭제됨."); DatabaseManager.Close(); }