I would like to display an aggregate field using ADO.
I have an ADOTable which is the 'Item' table in my DB with primary key the "Item No". I also have another table in my DB called 'Item Ledger Entry' containing the fields "Item No", "Quantity" and primary key is the "Entry No".
I would like to display in a DBEdit the Sum of "Quantity" from the 'Item Ledger Entry' group by "Item No". My form displays the 'Item' table so all I want to do is to add this DBEdit displaying the sum of quantity for information.
Which is the quickest way to achieve this? I have thought of creating a ADOQuery having as Parameter the "Item No" which will be obtained by the DBEdit displaying this field from the 'Item' table however I am not sure this is the best way. Could u pls help me with this?