TZF - Sorting in TTzComboBoxes

Jerry Mallett <[email protected]> Sun, 31 Aug 2003 14:38:25 +0000
Newsgroups gmane.comp.lang.delphi.topaz
Message-ID <[email protected]>
HELP........Struggling NEWBIE   AGAIN !!!!!!!!!!!!!
Trying to build his first decent application to help with my business..

Here's hoping I can explain my problem properly......

I have two Forms.
one which contains a QuickReport ( and thats a whole other story lol )
while the other one is full of data entry fields.

The data entry one is to facilitate in house quotations and contains a 
number of
TTzComboBox's.   Each one linked to a specific field in my products 
database.

My products need to be sorted when I click the dropdown list icon and I
tried using the "product.sorted" command but it then requires two clicks 
to
drop the list and when the list drops creates two copies of each 
product.

I'm using two events for the TTzComboBoxes... OnChange & OnEnter and 
they
look like so.............

procedure TQuoteForm.mboardEnter(Sender: TObject);
// Motherboard selection
Var pd, pc : string;
// pd = Product Description & pc = Product Code
begin
  DataMod.Products.Active := True;

  mboard.sorted := True;
  // Tried to sort dropdown list here with above line and it
  // does sort it but it produces two of everything and I
  // have to click twice to drop the list.

  mboard.Items.Add('No Selection'); //  Add a "No Selection" option
  While NOT DataMod.Products.dEOF Do
  Begin
    If Trim(DataMod.Products.GetCField('PRODGROUP')) = 'PROD_MBRD' Then
      Begin
       pd := Trim(DataMod.Products.GetCField('PRODDESC'));
       pc := 
LPad(IntToStr(DataMod.Products.GetLongField('ProdCode')),4);
       UnitPrice := DataMod.Products.GetRealField('oneoff');
       mboard.Items.Add(pd+' - ('+pc+') £'+SReal(UnitPrice,6,2));
      End;
   DataMod.Products.skip(1);
  End;
  DataMod.Products.Active := False;
end;

procedure TQuoteForm.mboardChange(Sender: TObject);
Begin

  // here we extract the revelant info like product name, code,
  // net price etc.,

  mboard.sorted := True;

  // Tried to sorth the dropdown list with the above line here but it
  // won't sort

end;

I was trying to use a TzVFile and sort it prior to dropping this list
but I'm finding this impossible to do as well.

I saw Marie Vihonsky's reference to it, (TzVFile), in a recent 
posting....
but I'm afraid it went way way over my head as did Chris Morgan's.

Sorry guys.....but I'm a little long in the tooth and the old grey brain 
cells
are fading fast.......I'm 49, 50 come October, and I'm a self taught 
computer
technician.  Left school at 15 and had a number of jobs over the years.  
Started
repairing, Building and upgrading PC's in 1985 and own my own repair 
shop.
In what little free time I have I try to get to grips with as wide a 
range of
software products as I can and have mastered quite a few.
Programming tho is a little more time consumming and if you leave if for 
a few
weeks it's hard to remember where you left of...

Why am I telling you all this??????

So that you'll go easy on me of course...........lmao

Many thanks for the help in advance...

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