if i delete 1 records or more ,how i can resort number of records at mygrid.

You mean you want to display the number of records in the table that are not deleted?

If so:

lnRecNo = IIF( NOT EOF( < grid.recordsource > ) AND NOT BOF( < grid.recordsource > ), RECNO( < grid.recordsource > ), 0 )
SELECT < grid.RecordSource >
COUNT TO lnRecCount FOR NOT DELETED()
IF lnRecNo # 0
  GO lnRecNo 
ELSE
  GO TOP
ENDIF