public AltaxoOleDbConnectionString(string originalConnectionString, LoginCredentials credentials) { _originalConnectionString = originalConnectionString; if (null != credentials && !credentials.AreEmpty) { var connBuilder = new System.Data.OleDb.OleDbConnectionStringBuilder(_originalConnectionString); connBuilder[UserIDKey] = credentials.UserName; connBuilder[PasswordKey] = credentials.Password; _connectionStringWithCredentials = connBuilder.ConnectionString; } else { _connectionStringWithCredentials = originalConnectionString; } }