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Table Input and Output Routines

  • Articolo

These API routines allow you manipulate Visual FoxPro tables.

_DBAppend( )

Attempts to append a new record to the table in the specified workarea.

_DBLock( )

Attempts to lock the current table record or file in a work area specified by workarea.

_DBRead( )

Moves the current record pointer to the specified record in the specified workarea.

_DBRecCount( )

Returns the total number of records in the table open in the specified workarea.

_DBRecNo( )

Returns the number of the current record in the table in the specified workarea.

_DBReplace( )

Places a new value in a field.

_DBRewind( )

Performs a GOTO TOP in the specified workarea and returns the resultant record number.

_DBSeek( )

Searches an indexed table in the current work area for the first record whose index key matches the value val.

_DBSkip( )

Performs a SKIP in the specified workarea of the distance specified.

_DBStatus( )

Returns status flags for the specified workarea.

_DBUnlock( )

Releases all user-obtained locks on records or the file in the work area specified by workarea.

_DBUnwind( )

Performs a GOTO BOTTOM in the specified workarea and returns the resultant record number.

_DBWrite( )

Writes to disk the current record in the specified workarea and updates any affected indexes.