GridView with Total (Footer)

IDProductUnitPriceStock
1notebook1,500.0017
2Coca-Cola 1114.004
3Notebook1,500.5015
4Brasil22.00100
5Chef Anton's Gumbo Mix21.351000
6Grandma's Boysenberry Spread25.00120
7Uncle Bob's Organic Dried Pears100.0010
8Northwoods Cranberry Sauce40.0010
9Mishi Kobe Niku97.0029
10TV LCD 42"3,499.0031
Stock value: 187,255.50 
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