Re: [web2py] how to write if else in controller in web2py

[anil manikyam]

def login():
    if db((db.table1.username)== request.vars.visitor_name).select():
        redirect(URL('index'))
    else:
        msg='invalid syntax'



    return dict(display_msg=msg)

<form>
  <input name="visitor_name" />
  <input type="submit" />
  {{=
</form>
{{=display_string}}

i tried it but when this display_string used in form it printed before the
enter the submit button  plz send the code for this