For usability reasons it is usually a good idea to add a delete button to each row of a data grid. If the user clicks on such a button, the whole row that contained the button will be deleted.
The following example shows what I mean:
.extensive-remove {
background-image: url(http://www.marcusschiesser.de/wp-content/uploads/2009/06/remove.gif) ! important;
}
The data grid of ExtJS does [...]