Dhtmlx grid row and column manipulation

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?