when I use an update command I get the following message:

Alias 'TXTP_DPO_INT' is not found.

my sql update looks like the following:

update person_tbl set P_dpo_int = alltrim(.txtP_dpo_int.value), ;
P_dte_assign = .txtP_dte_assign.value, ;
P_dte_due = .txtP_dte_due.value, ;
P_crtcase = alltrim(.txtP_crtcase.value), ;
P_lname = alltrim(.txtP_lname.value), ;
P_fname = alltrim(.txtP_fname.value), ;
P_mi = alltrim(.txtP_mi.value), ;
P_dte_sent = .txtP_dte_sent.value where p_nextid = lcid

where I'am going wrong? the p_nextid exist. Help appreciated

thanks
nick patel