Hello, I have an Xceed WPF grid with 2 group headers which by default looks like this: IsTravel: Program Expense Sheets (1 item)Team ID: Team 1 (3 items)$12345 $34234 $34534IsTravel: Travel Expense Sheets (1 item)Team ID: Team 2 (3 items)$234 $345 $342  By using this ...