Add,Delete rows from Datagrid but not from database

[ushar]

i have a small req, that is in window application,

i have a datagrid with a check box in it, initially datagrid is empty/one blankrow . and two buttons AddButton, RemoveButton.

this datagrid bound to the dataset, but i want this operations only on datagrid.

if i press a addButton the everytime one row has to add to the datagrid,i have to able to enter the data in datagrid,
If i select a check box of a row and press the removeButtonn that perticuler row has to remove from the datagrid.
Can anyone help me for the addButton and remButton click events with code,
please anyone help me out,

Thanks in advance.

ushar