Loopers

I must confess... loopers have me mystified!
I want to display a list of items to order. Each item may have several suppliers and I want the user to be able to select which vendor(s) to request a quote from. So, I expect I have to present the table in a looper... but I can't for the life of me figure out how to do it.
I want something like this:

Item........Suppliers.....Quote
========================
Item 1 Vendor 1 {check box} 1st record
------------------------------------------------------------
Item 2 Vendor 1 {check box}
........... Vendor 2 {check box} 2nd record
........... Vendor 3 {check box}
-------------------------------------------------------------
Item 3 Vendor 1 {check box} 3rd record
.......... Vendor 2 {check box}
--------------------------------------------------------------
etc.
Can someone give me a hint?
Thanks,
Garry



Edited 1 time(s). Last edit at 11/12/2018 02:53PM by gga.

Hi Garry,

AFAIK you cannot put a table or a looper inside a looper.
However, you can use a looper with breaks to accomplish what you want:
Set a break for the item an put the item name in the break header using a static or formatted display control.
Link the controls in the header to a corresponding looper attribute.
The vendors and check boxes go in the looper lines.
The break footers can be made invisible if you don't need them.

Kind regards,
Piet



Edited 1 time(s). Last edit at 11/12/2018 10:46AM by pietvanz.

That must have been very confusing! I forgot that multiple spaces get collapsed when a message is posted. I have edited the original post and used periods instead of spaces to hopefully make it clearer what I want to do. I don't think I need a double looper: I just want each record in the table to show a list of the available vendors for that product.
Garry

Hello Garry,

I would use a treeview table instead of a looper for something like that.

Regards,
Bart

Thanks Bart.
Yet another part of WinDev (treeview table) that I haven't investigated!
I will give it a try.
Garry