How to show group wise data in the gridview

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ASP.NET2

I have a table "chatmsg" fields as follows:

Field Name        Type
from_user         text
to_user           text
textmsg           text
chatdate          text
chattime          text
pictpath          text

Now my question is how can I show date wise pictpath and textmsg in the gridview.

as an example:

03/02/13
sanjit.jpg        Hi Mithun what r u doing now?
mithun.jpg        I am a webdveloper, but u?
sanjit.jpg        i am searching job as software developer
10/04/13
mithun.jpg        after a long days. how r u?
sanjit.jpg        Yes, i am fine. can u help me?
mithun.jpg        Ofcourse. tell me how can i help u?