//give header text
if(subsec==1){
GridView1.Columns[1].HeaderText = "More on Terminals";
}
else if(subsec==2){
GridView1.Columns[1].HeaderText = "More on Port Facility";
}
else if (subsec == 3)
{
GridView1.Columns[1].HeaderText = "More Features";
}
//control property for styles
//for bullets
add button field and give image and image url
<asp:ButtonField ButtonType="Image" ImageUrl="~/images/bullet2.gif" HeaderImageUrl="~/images/ico1.gif" />
//edit field
edit hyperlink
datanavigateurlfield- enter table field names one by one
datanavigateurlstring -abc.aspx?a={0}&b={1}