help how can i know if the user is not an admin

i have combo box, in my combo box have a user or admin additem, if he choose admin then all i want is to validate if the username and password is...

if your using adodb try this

set rs as new adodb.recordset
rs.open "Select * from table1 where emp_id='" & textid.text & "'", cn, 3, 3
if rs.recourdcount > 0 then
rs.open "insert into table1 ...

how can i determine that may text1.text is equal to my product code?? heres my code

Set cn = New ADODB.Connection
cn.Open "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=C:\Documents and...