Subject Re: how left() works in dbase 11 plus From Agostinho <Agostinhoteixeira@yahoo.com > <Agostinho <Agostinhoteixeira@yahoo.com >> Date Mon, 31 May 2021 00:58:55 -0400 Newsgroups dbase.getting-started Sorry this Subject/massage was resend by mistake Ken Mayer Wrote: > On 5/30/2021 6:52 PM, AGOSTINHO wrote: > > Dear group, > > > > If I want to test an user's input in DBASE DOS I do somethng like this > > ?left(ccode,4) > > > > I've tried it in this function but I get an error > > also need to make sure that the input are numbers only. > > > > function ENTRYFIELD4_onKey(nChar, nPosition,bShift,bControl) > >        form.clients1.params['ag'] = '%'+this.value+'%' > >        form.clients1.requery() > >        if form.entryfield1.value.left(4) > >                    do something > >       endif > >       return > > You got a response earlier today. Please double check that. > > Ken > > > -- > *Ken Mayer* > Ken's dBASE Page: http://www.goldenstag.net/dbase > The dUFLP: http://www.goldenstag.net/dbase/index.htm#duflp > dBASE Books: http://www.goldenstag.net/dbase/Books/dBASEBooks.htm > dBASE Tutorial: http://www.goldenstag.net/dbase/Tutorial/00_Preface.htm > dBASE Web Tutorial: http://www.goldenstag.net/dbase/WebTutorial/00_Menu.htm