public void ExportSensors ( int roomIndex, string filePath ) { IExcelExport export = new DataManipulator(); DataTable var = new DataTable(); var.Columns.Add("1"); var.Columns.Add("2"); var.Columns.Add("3"); var.Columns.Add("4"); foreach (var sensor in User.Rooms[roomIndex].ListSensors) { var.Rows.Add ( sensor.Name, sensor.Fam, sensor.State, sensor.Data ); } export.ExportFile(filePath, User.Rooms[roomIndex].Name, var); }