sql = "INSERT INTO alumno VALUES ('" & dr(0) & "' , '" & Trim(dr(1)) & "' , '" & _
Trim(dr(2)) & "' , '" & Trim(dr(3)) & "' , '" & _
dr(4) & "' , '" & _
dr(5) & "' , '" & dr(6) & "' , '" & _
Trim(dr(7)) & "' , '" & Trim(dr(8)) & "')"