HyberLink using Sharepoint Grid

using System;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using Microsoft.SharePoint;
namespace Saravanan_Testsolutions.Gridsamples
{
    public partial class GridsamplesUserControl : UserControl
    {
        public SPList olist { get; set; }
        protected void Page_Load(object sender, EventArgs e)
        {
            databind();
        }
        public void databind()
        {
            try
            {
                using(SPSite osite= new SPSite(SPContext.Current.Site.ID))
                {
                    using (SPWeb oweb = osite.OpenWeb(SPContext.Current.Web.Name))
                    {
                        olist = oweb.Lists.TryGetList("Tasks");
                        SPListItemCollection oitemcoll = olist.Items;
                        if (oitemcoll.Count > 0)
                        {
                            grdshow.DataSource = oitemcoll.GetDataTable();
                            grdshow.DataBind();
                        }
                    }
                }
            }
            catch (Exception)
            {
               
                throw;
            }
        }
        protected void grdshow_RowDataBound(object sender, GridViewRowEventArgs e)
        {
            if (e.Row.RowType == DataControlRowType.DataRow)
            {
                HyperLink lnk = new HyperLink();
                lnk.Text = e.Row.Cells[0].Text;
                lnk.NavigateUrl =olist.DefaultViewUrl;
                e.Row.Cells[0].Controls.Add((Control)lnk);
            }
        }
    }
}