vba - Inserting values into previously null fields, locking them -

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i'm working in ms access 2013 , want write vba code button made on form. want code 2 things: insert values designate null fields , lock fields in form.

accmdfreezecolumn doesn't seem appropriate since doesn't refer form. current thought use framework:

sub buttonlockform1_click()  dim intresponse integer  intresponse = msgbox( _     prompt:="are sure want lock form?", _     buttons:=vbyesno + vbquestion + vbdefaultbutton2, _     title:="lock form?")  if intresponse = vbyes  ...  ...  else: if intresponse = vbno exit sub  end if  end sub

any can provide appreciated!

i'm guessing mean controls on form (like textboxes). null , empty strings different in vba btw. put inside if (and dim @ top obviously)

dim ctl control each ctl in me.controls     if isnull(ctl.value) or ctl.value = "" _         ctl.value = "value want save"     if ctl.name <> "name of control don't want lock, buttons" _         ctl.enabled = false next ctl

controlname.enabled = false makes control greyed out , locks it. can use controlname.visible = false make invisible, , controlname.locked = false make still white bg, lock disabling editing.


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