Just highlite the rows you want to delete and click the Start Delete button.

To Sort, click on the headings. To sort by Invoice Date, click on the Invoice Date heading and the facilities will be sort by Invoice Date in ascending order. Clicking on the Invoice Date heading again will sort the Invoice Dates in descending order. This can be done for any column by clicking on the heading.

Clicking on the Sort toolbar button gives you the option to sort by multiple columns at once.