how to Delete row from datasource and database from matrix .deleterow()

hi,

when i want to delete a row from martix i am able to delete it from matrix but at same time i want to delete it from datasource as well as database too.. how to do that

i.e my requirement is when i delete a row from martix it should b get deleted in database too....

can any one pls send me sample code regarding this problem

regards

om