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8.8

ADO and Aggregate Fields

Asked by mc94051 in Delphi Programming

Tags: aggregate, adotable

Hi,

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?
[+][-]06/24/06 07:56 AM, ID: 16975428Expert Comment

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[+][-]06/24/06 10:14 AM, ID: 16975818Author Comment

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[+][-]07/06/06 09:41 AM, ID: 17052114Accepted Solution

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About this solution

Zone: Delphi Programming
Tags: aggregate, adotable
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Solution Provided By: geobul
Participating Experts: 1
Solution Grade: B
 
[+][-]07/07/06 08:16 AM, ID: 17059210Author Comment

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[+][-]07/10/06 08:24 AM, ID: 17073641Expert Comment

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