FT_FEMPTY

FT_FEMPTY()
 Determine if a field is empty, i.e., contains no value.

 Syntax

      FT_FEMPTY( <xVar> ) -> lVal

 Arguments

     <xVar> may be either a field name or ordinal .DBF position.

 Returns

     <lVal>, a logical indicating if field <xVar> is empty.

 Description

     FT_FEMPTY() checks for the existence of a value in a field.

 Examples

     lEmp:= FT_FEMPTY( "unit_prc" )
     lEmp:= FT_FEMPTY( 2 )
     - or -
     nNum:= FT_FNUM( "unit_prc" )
     lEmp:= FT_FEMPTY( nNum )

 Source: FIELD.PRG

Advertisements

One response to “FT_FEMPTY

  1. Pingback: FT Database | Viva Clipper !

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s