i found the way already, if you got something different, plez post to share

VB Code:
  1. Dim dba As DAO.Database
  2.     Dim dbq As DAO.QueryDef
  3.     Set dba = CurrentDb
  4.  
  5.         Set dbq = dba.QueryDefs("Q_FOLLOW_COUPON")
  6.         dbq.SQL = "SELECT * FROM BIODATA WHERE bCouponNo='" & txtSearch2 & "'"
  7.         DoCmd.OpenForm "D_BIODATA"