private void RefreshGridView()
{
List <Trail> eList = new List <Trail>();
DBServiceReference.Service1Client client = new DBServiceReference.Service1Client();
eList = client.GetAllTrails().ToList <Trail>();
// using gridview to bind to the list of employee objects
GridView1.Visible = true;
GridView1.DataSource = eList;
GridView1.DataBind();
}
