How to update and save cell value using function in dhtmlx spreadsheet

Spreadsheet
#1

my data is serialized like this format
image
. but I’m unable to update the value .
so how I can update value using the only column names.

#2

Could you please, clarify do you need to update the value in your spreadsheet or in the serialized data.

#3

update the value in the spreadsheet.

#4

Please, try to use
spreadsheet._grid.data.getItem(row_number)[column_number]=“newValue”
Here is the example:
https://snippet.dhtmlx.com/daklwexm