gridview ralated problem

Question

hello,

my gridview is displaying following values like this:-

id item_name price

----------------------------------------

1 abc 1231

2 def 2465

but i've to display price with "USD" which is come from web.config file.

so, it should be display like this:-

id item_name price

----------------------------------------

1 abc USD 1231

2 def USD 2465

how can i do that.

please provide me accurate solution.

i need it very urgently.

thanks.