Cannot populate user defined column

I try to get the selected Item's AvgPrice on et_validate event with the following code. After orecordset.doquery the item's avgprice will not be displayed.
How can achieve this?
Any help would be appreciated.
Regards
Zoltan Sutto
Set oItem = oInvoiceForm.Items.Item("38")
Set oMatrix = oItem.Specific
oMatrix.DeleteRow (1)
Set oColumns = oMatrix.Columns
Set oColumn = oColumns.Add("AvgPrice", it_EDIT)
oColumn.TitleObject.Caption = "AvgPrice"
oColumn.Width = 100
oColumn.Editable = False
oMatrix.AddRow
Set oUserDataSource = oInvoiceForm.DataSources.UserDataSources.Add("dsAvgPrice", dt_LONG_NUMBER, 10)
oColumn.DataBind.SetBound True, "", "dsAvgPrice"
Select Case pVal.EventType
    Case et_FORM_LOAD
         AddColumnToInvoice
         BindDataSources
    Case et_VALIDATE
         If pVal.ItemUID = 38 And pVal.ColUID = "1" Then
             If pVal.Row <= oMatrix.RowCount Then
                 Set oEdittext = oMatrix.Columns(pVal.ColUID).Cells.Item(pVal.Row).Specific
                 oRecordSet.DoQuery "Select avgprice from oitm where itemcode='" & oEdittext.String & "'"
                 oUserDataSource.Value = oRecordSet.Fields(0).Value
             End If
         End If
End Select

Ok!
As i understatnd you issue, you don't want to store avgprice in doc_table, you want just to show to user AVG price, probably it'll help him to deside, what price shold he put in price-column..
So, what for you want to use SDK UI??
I suppose it'll be more effective and nicely to create formated search, relate it with price-column, and then when user select an Item then in price-column AVG price will appear (or user press Sh-F2 on price-column).
The query for format search is too simple:[code]SELECT avgprice from OITM where itemcode = $[OINV.ItemCode][/code]By the way, you can create more cool query to show user extra info about that Item...
You can even allow user to see last prices.. It is a standard feature, just press Ctrl-TAB on price-column..
what do you think about it?
Hope it'll solve you issue!

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Message was edited by:
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Cannot populate user defined column

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