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update query

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hello all. i'm having a problem with the update query. i have a table, which is products in stock. it has
codep text primary key
quantitystock number

and then i have

linearticle
codec text (references commandes)
codep
quantitybought

im currently using forms to fill out the tables.
my problem is, that i can't figure out how to make the query get the codep i have currently open in the form, and then go to products table, and removes quantitybought from quantitystock
May 29 '08 #1
1 952
JKing
1,206 Recognized Expert Top Contributor
Hi there,

Assuming the fields, "codep" and "quantitybought" are on your form you could add the following line to the event you want the update triggered from.

Expand|Select|Wrap|Line Numbers
  1.  DoCmd.RunSQL ("UPDATE [products in stock] SET quantitystock = quantitystock - " & Me.[quantitybought] & " WHERE codep = '" & Me.[codep] & "'")
  2.  
This assumes your textboxes share the same names as the fields they represent.
Jun 13 '08 #2

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