subtraction of clmn value and textbox clmn value in gridview

Feb 2 2018 1:14 PM
I have 3 columns available_qnty, remaining_qnty and planned_qnty
planned_qnty is textbox column
need to substract the value entered in that column  with available_qnty value
result must be stored in remaining_qnty
plz help me asap 

Answers (1)