answered
2021-01-21 11:18:29 +0800
hawk 3185 ● 1 ● 5
http://hawkphoenix.blogsp...

As I understand, you mean the value of the first cell under column 12 without colon :
is loaded from the file. And other cells are inputted by users, so it contains :
, right?
You can notify cells to update by:
Range::notifyChange()
Spreadsheet::notifyLoadedAreaChange()
Range javadoc
I assume you apply a specific number format on those cells to show them in the special format. What pattern do you apply to create that input mask, like ##:##:######:###
? I try it in Excel, but Excel doesn't allow me to set that pattern.
Besides, ZK Spreadsheet is retired now. Please migrate to Keikai