protected void btnLogin_Click(object sender, EventArgs e)
        {
            string email    = txtEmail.Text;
            string password = txtPassword.Text;

            Customer c = CustomerDA.GetCustomerByLogin(email);

            if (c == null)
            {
                lblError.Text    = "No such email please try again or <a runat='server' href='customerSignUp.aspx'>sign up!</a>";
                lblError.Visible = true;
            }
            else
            {
                if (CustomerDA.VerifyLogin(email, password))
                {
                    Session["Customer"] = c;
                    Response.Redirect("~");
                }
                else
                {
                    lblError.Text    = "Incorrect Email/Password try again";
                    lblError.Visible = true;
                }
            }
        }