How do I reveal a hidden row based on a cell value? - validation

Question

I have created a sheet which has a dropdown with values "Select One:" "Push" "Pull" in cell B23. I would like row 24 to be hidden by default. Upon selection of the value "Pull" from the dropdown, I would like row 24 to be unhidden.
Is there a way to unhide row 24 if the selection in cell B23 = Pull?

Answer 1

You want to:
Show row 24 if dropdown in B23 is set to Pull.
Hide row 24 in any other case.
If that's the case, you can copy this simple onEdit trigger to the script bound to your spreadsheet (the sheet with the data is called Sheet1 in this sample, please change this accordingly if that's not the case):
function onEdit(e) {
var ss = SpreadsheetApp.getActive();
var sheet = ss.getSheetByName("Sheet1"); // Please change accordingly
var dropdown = sheet.getRange("B23").getValue();
var row = 24;
if (dropdown == "Pull") sheet.showRows(row);
else sheet.hideRows(row);
}
As you can see, there is no need to use a for loop, which will slow down the execution (specially considering this will run every time the file is edited).
In order to make sure row 24 will be hidden or shown accordingly the first time you open your file, you can attach an onOpen trigger to the function, like this:
function onOpen(e) {
onEdit(e)
}
Reference:
onEdit
onOpen
hideRows(rowIndex)
showRows(rowIndex)
I hope this is of any help.

Answer 2

use this script:
function onEdit(e)
{
var ss=SpreadsheetApp.getActiveSpreadsheet();
var sh=ss.getSheetByName("Sheet1");
var rg=sh.getDataRange();
var vA=rg.getValues();
var xx=sh.getRange("B23").getValue();
for(var i=0;i<vA.length;i++)
{
var row=i+1;
switch(xx)
{
case 'Pull':
if(row=24){sh.showRows(row);}
break;
case 'Select One:':
if(row=24){sh.hideRows(row);}
break;
case 'Push':
if(row=24){sh.hideRows(row);}
break;
default:
}
}
}