Sharepoint gridview hyperlink column

using System;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using Microsoft.SharePoint;
using System.Data;
namespace MergeSharePointList.MergeSPList
{
public partial class MergeSPListUserControl : UserControl
{
protected void Page_Load(object sender, EventArgs e)
{
SPWeb web = SPContext.Current.Web;
SPList list1 = web.Lists["List1"];
SPListItemCollection collListItems = list1.Items;
SPQuery oQuery1 = new SPQuery();
DataTable table1 = collListItems.GetDataTable();
gV.DataSource = table1;
gV.DataBind();
}
}
}