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Arranging DBGrid Columns

Posted on 2008-10-29
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Last Modified: 2012-05-05
I have a DBGrid on a form. Above it, I have a Listbox with the DBGrid's Column names listed.

To the right, I have an Up & Down button. (See code Below). These buttons allow me to change the order of the column names in the listbox.

I would also like to change the order of the DBGrid's Columns as well.

So, when I click the Up button. As the code shows, it will exchange the listbox item with the previous one. I need it to also change the actual Grids Column as well.

Same thing for Down button


thanks
procedure TfrmOptions.btnUpClick(Sender: TObject);
begin
 lbxColumns.Items.Exchange(lbxColumns.ItemIndex, lbxColumns.ItemIndex-1);
 lbxColumns.ItemIndex:= lbxColumns.ItemIndex - 1;
end;
 
procedure TfrmOptions.btnDownClick(Sender: TObject);
begin
 lbxColumns.Items.Exchange(lbxColumns.ItemIndex, lbxColumns.ItemIndex+1);
 lbxColumns.ItemIndex:= lbxColumns.ItemIndex + 1;
end;

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Question by:geocoins-software
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Accepted Solution

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geocoins-software earned 0 total points
ID: 22831772
SOLVED!

procedure TfrmOptions.btnUpClick(Sender: TObject);
begin
Grid.Columns.Items[lbxColumns.ItemIndex].Index := lbxColumns.ItemIndex - 1;
 lbxColumns.Items.Exchange(lbxColumns.ItemIndex, lbxColumns.ItemIndex-1);
 lbxColumns.ItemIndex:= lbxColumns.ItemIndex - 1;
end;
 
procedure TfrmOptions.btnDownClick(Sender: TObject);
begin
Grid.Columns.Items[lbxColumns.ItemIndex].Index := lbxColumns.ItemIndex + 1;
 lbxColumns.Items.Exchange(lbxColumns.ItemIndex, lbxColumns.ItemIndex+1);
 lbxColumns.ItemIndex:= lbxColumns.ItemIndex + 1;
end;
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Expert Comment

by:Johnjces
ID: 22855688
If you solved it, please ask that this Q be closed. You can click the delete link.

John
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