Something like

INSERT INTO test (p_id, Name, age) ;
  SELECT p_id, Name, age FROM MultiseectgridSource ;
  WHERE <whetever multiselct condition is>

>
>thanks for ur help but what would be the code to add these selected records in other data base.
>
>code ex:
> INSERT INTO test (p_id, Name, age) VALUES (thisform.multiselectgrid1.Value ) or something like that.