Determining the last row in a single column

Question

I have a sheet with data in cols A through H.

I need to determine the last row in column A that contains data (it\'s all conti

Answer 1

This is what worked for me:

var ss = SpreadsheetApp.openById(YourSpreadsheetID);
var main_sheet = ss.getSheetByName(YourMainSheet);
main_sheet.getRange('K16').activate(); // substitute your cell from where you want to count
main_sheet.getCurrentCell().getNextDataCell(SpreadsheetApp.Direction.DOWN).activate();
var last_row_submissions = main_sheet.getCurrentCell().getRowIndex();