/// <summary> /// Add columnd to table in DB /// </summary> /// <param name="table">Table name</param> /// <param name="column">Column model</param> /// <returns>Exception message if failed, NULL if not</returns> public string AddColumn(string table, TableRowModel column) { try { var ctx = new DatabaseContext(SessionProvider.Instance.ConnectionType); ctx.AddColumn(table, column); return(null); } catch (Exception exception) when(exception is SqlException || exception is OracleException) { Output.WriteLine(OutputPanelListener.PrepareException(exception.Message)); return(exception.Message); } }