i'm having trouble with Dlookup.I'm trying to insert a Dlookup statement in a update query, so that the user need not upate each record manually.
Supplier Catergory
sSupplierName
sCatergory
Transaction
tSupplierName
tAmount
tCatergory
What i need is to match the supplier name from transaction to the supplier name in the supplier catergory to retrieve the catergory in which the supplier falls in.
How should my Dlookup statement be like? Should i have a same name for the supplier name in the different tables?
I have tried
DLookUp("[sCatergory]","[Supplier Catergory]","[tSupplierName]=" & "[sSupplierName]") 2  1609  
i'm having trouble with Dlookup.I'm trying to insert a Dlookup statement in a update query, so that the user need not upate each record manually.
Supplier Catergory
sSupplierName
sCatergory
Transaction
tSupplierName
tAmount
tCatergory
What i need is to match the supplier name from transaction to the supplier name in the supplier catergory to retrieve the catergory in which the supplier falls in.
How should my Dlookup statement be like? Should i have a same name for the supplier name in the different tables?
I have tried
DLookUp("[sCatergory]","[Supplier Catergory]","[tSupplierName]=" & "[sSupplierName]")
If I am reading you right and you are setting this up as a new database (ie you have not inherited an age old database full of data and find yourself having to do something with it) and if your tables are as simple as that, and if each supplier is unique on the one side (sSupplier table) you should really have the supplier referenced by a long integer (autonumber) as the primary key and use a long integer in the transaction table as the foreign key to reference the suppliers transactions.
You should then define a relationship between the two invoke referential integrity and the cascade update delete options available at which point manual updates become unneccesary using Access Autolookup feature.
Using this method you have no need then to have the suppliers name in the transactions table merely the number referencing them together with the any other fields necessary to complete the transaction record.
.
Hope this helps if not then I obviously read you wrong?
Jim
Try this (I'm assuming sSupplierName is a Text field) - DLookUp("[sCatergory]","[Supplier Catergory]","[tSupplierName]='" & [sSupplierName] & "'")
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