private void MetroButton1_Click(object sender, EventArgs e)
        {
            var info  = context.Authorities.FirstOrDefault(u => u.Email == txtUsername.Text && u.Password == txtPass.Text);
            var info1 = context.Users.FirstOrDefault(u => u.Email == txtUsername.Text && u.Password == txtPass.Text);

            //  MessageBox.Show("invalid emails and password");

            if (info != null)
            {
                LoginHelper.AInfo = info;
                AuthorityDashBoard A1 = new AuthorityDashBoard();
                A1.Visible   = true;
                this.Visible = false;
            }
            else if (info1 != null)
            {
                LoginHelper.UInfo = info1;
                UserDashBoard u1 = new UserDashBoard();
                u1.Visible = true;
                this.Hide();
            }
            else
            {
                MessageBox.Show("invalid emails and password");
            }
        }
        private void MetroButton3_Click(object sender, EventArgs e)
        {
            AuthorityDashBoard a1 = new AuthorityDashBoard();

            a1.Visible   = true;
            this.Visible = false;
        }