protected void Page_Load(object sender, EventArgs e)
 {
     if (!IsPostBack)
     {
         BorrowRepository br = new BorrowRepository();
         List <MRSLibrary.Database.BorrowTable> lst = new List <MRSLibrary.Database.BorrowTable>();
         lst = br.GetAllBorrows();
         if (lst == null)
         {
             Label4.Visible    = true;
             GridView1.Visible = false;
         }
         else
         {
             Label4.Visible       = false;
             GridView1.DataSource = lst;
             GridView1.DataBind();
         }
     }
 }