Have anyone give me idea to make row column manipulations
Could you please clarify exactly what operations do you need to perform.
https://dhtmlx.com/docs/products/dhtmlxGrid/samples/16_rows_columns_manipulations/17_pro_math.html
Math Calculations
So here you can find a tutorial about the math calculations in the dhtmlxgrid:
https://docs.dhtmlx.com/grid__math.html
Do you have any specific question?