Xbasic
ISNOTBLANK Function
Syntax
Result_Flag as L = ISNOTBLANK(C fieldname)
Arguments
- fieldname
The name of a table field used in a form or browse.
Description
Returns TRUE if the field is not blank.
Discussion
ISNOTBLANK() returns .T. (TRUE) if Field_Name contains a value; otherwise, it returns .F. (FALSE). The function can be used is event coding for forms and browses.
Example
The following code could be attached to a button on a form.
isnotblank("Company") -> .T. if Company contains "Alpha Software" isnotblank("Company") -> .F. if Company contains ""
The following code could be used in an Xbasic script.
dim tbl as P tbl = table.open("customer") tbl.fetch_first() ? tbl.firstname = "Michael " ? isnotblank("tbl.firstname") = .T. tbl.change_begin(.t.) tbl.firstname = "" tbl.change_end(.t.) ? isnotblank("tbl.firstname") = .F.
See Also