I create one data gridview in asp.net and it will update in every 30sec. I want to show that the data that will update will change the color.
how this can I do?
Please Help Me

It depends on what you are trying to change the color of. Assuming that you want to change the color of elements in your cells, your best bet is probably going to be to add some sort of logic to the RowDataBound event to apply a different style to each element.

Information about the RowDataBound event
http://www.google.com/search?source=...w+rowdatabound

hth.

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