Source Code in video
Dim dbs As DAO.Database
Dim rst As DAO.Recordset
Dim strsql As String
Set dbs = OpenDatabase("H:\products.accdb")
Set rst = dbs.OpenRecordset("Select product From Table1 Where product = '" & Me.Text0.Value & "' ")
If rst.RecordCount > 0 Then
MsgBox ("This Product exists before")
Else
strsql = "Insert Into Table1(product)Values( '" & Me.Text0.Value & "' )"
dbs.Execute (strsql)
MsgBox ("The product inserted successfully")
End If
rst.Close
dbs.Close