vba cmd button to assign for edit section of textbox values return back to acurate cell

Dear expert

I have worksheet (login & RawData) i have assigned userform thoguh combobox for data filtration and view data's in listbox and textbox retrive data of cell with ranges of (from BH:BT)

i am looking for two task need

i want make changes of WHAT viewing data's ON TEXTBOX from picked value of list box and replace the old data with new entering data by command button(ADD SLC UPDATES). to acture cell
AND move to pages by using command buttons

please find the attachment

THANKS TO ALL