cancel_row_changes

Description:

public void cancel_row_changes (int proxy_row, int col)

Resets data at the corresponding row and column.

If proxy_row corresponds to a new row, then that new row is deleted from this.

Parameters:

this

a DataProxy object
proxy_row

the row to cancel changes
col

the column to cancel changes, or less than 0 to cancel any change on the row row