Dear Experts

On 25-10-2006, two customers (A & B) go to a departmental store to purchase some items, three times as

custname--Invno
A----------------1
B----------------2
B----------------3
A----------------4
A----------------5
B----------------6

Tble1 has two Fields as
Cust_name c(30) && that is customer name
Inv_no n(3) && that is Invoice number

Now I want to generate a report showing customer name and their invoice numbers as

A----------1,4,5
B----------2,3,6

Pleaes help