hi,
i try as under but i get error message(alias "nan"is not found.
mytables,xldata1 ,nan.

replace a with xldata.a, ;
            b WITH xldata.b,;
            c WITH xldata.c,;
            d WITH xldata.d,;
            e WITH xldata.e,;
            f WITH xldata.f,;
            s WITH xldata.s,;
            l WITH xldata.l,;
            char9 WITH xldata.char9,;
            char10 WITH xldata.char10,;
            char11 WITH xldata.char11,;
            char12 WITH xldata.char12,;
            char13 WITH xldata.char13,;
            char14 WITH xldata.char14,;
            char15 WITH xldata.char15,;
            char16 WITH xldata.char16,;
            char17 WITH xldata.char17,;
            char18 WITH xldata.char18,;
            char19 WITH xldata.char19 in nan

THANKS
BEST REGARDS