how to use group listview in asp.net without using data base

Question

 if i run the application page should be open like this

listview

cat1cat2cat3cat4

 

then if i click the cat1 show data should be display like 

 

pro_Name A Pro_Name B Pro_Name C
Quantity 5 Quantity 2 Quantity 8
Price $10 price $5 Price $12


pro_Name D Pro_Name E Pro_Name F
Quantity 5 Quantity 2 Quantity 8
Price $10 price $5 Price $12


pro_Name G Pro_Name H Pro_Name I
Quantity 5 Quantity 2 Quantity 8
Price $10 price $5 Price $12

 

 

same thing apply will be diff cat...