use of rowspan colspan to display data in gridveiw

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C#

ASP.NET

i want to show some data in gridview in a fallowing way...

productname, orderid, quantitity price  total amount

      sofa         1         2        4S     12$

      chair        1         1        5$

      cuboart      1         1        3$

some one order 3 prducts.. and i want to show the whole order in the in a grid view. and the total amount of of three products two..

can i use colspan and rowspan in gridview..

how can i display data in above format..

showing the product name, order id ,quantity ,price is not the problem.. then problem is to show the total amount of these three product.. can i do col span and row span.. how to do that in gridview...please tell me the easy way to do that..