IndexName

Specifies the name of a .cdx compound index file tag or an open .idx single-entry index file for which TAGNO(В ) returns the index position.

CDXFileName

Specifies the name of a .cdx compound index file containing the name of the tag you specify with IndexName.

nExpression

Specifies the work area of the table for which TAGNO(В ) returns the index position for .cdx compound index file tags and .idx single-entry index files.

cExpression

Specifies the alias of the table for which TAGNO(В ) returns the index position for .cdx compound index file tags and .idx single-entry index files.

Numeric

TAGNO(В ) returns 0 if a master index is not set (the table is in natural record number order) and the optional parameters are omitted.

Included for compatibility with dBASE.