=DLookUp("LAST_NAME","CUST_INFO","CUST_ID='" & [CustIdCombo])
LAST_NAME = Column name I am trying to acquire
CUST_INFO = Table where LAST_NAME IS
CUST_ID is the first colum of CUST_INFO
CustIdCombo is the combo box that should have the id I am looking up
New to Access so I am trying very hard to figure this out. Thank you