open popup window on gridview buttonfield which is link type

[radiantsoft]

Hi,

I have a button field in GridView. type of bottonfield is link. It shows the No of album-No of Photos. I want to display popup on that link click...
<asp:ButtonFiel d ButtonType="Lin k" CausesValidatio n="false" HeaderText="Alb um No-Photo No" CommandName="vi ew" />

How can I do that.