Ok, now I want to pick apart your method to explain some slightly better
ways to do things:
bd wrote:
> Hello!
>
> I want to make a simple form in dabo class designer.
> I have a one table database with a dat field containing a datum.
> I have made a form with class designer which contains a grid and a
> datetext control.
> My code to the datetextcontrol is:
> def onValueChanged(self, evt):
> print "value changed"
> print self.Value
-- I assume you are getting the expected things printing, here.
> frm=self.Application.ActiveForm
-- you can certainly get the form reference this way, but presumably
-- your datetextcontrol is on the form in question? If so, then
-- you can just do:
frm = self.Form
> grd=frm.gridts
> biz=frm.getBizobj(grd.DataSource)
> biz.setWhereClause("dat='%s'"%self.Value)
> grd.fillGrid()
-- you should really put this code in the form, and call the form
-- method from your onValueChanged event handler. Eg:
(in datetextcontrol):
def onValueChanged(self, evt):
self.Form.requeryGrid(self.Value)
(in form):
def requeryGrid(self, param):
grd = self.gridts
biz = self.getBizobj(grd.DataSource)
biz.setWhereClause("dat = '%s'")
biz.setParams((self.Value,))
self.requery(grd.DataSource)
Actually, your bizobj should just set that where clause with the
parameter substitution in place, and the requeryGrid() method should
just do the setParams() call.
> I think I have correctly set up the regid for the grid, and I have the
> creatBizobj call in the forms afterinitall eventcode.
If you don't have the grid's RegID set correctly, you won't get a
reference to the grid using grd = self.gridts.
Cheers!
Paul
--
pkm ~ http://paulmcnett.com
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