private void btXacNhan_Click(object sender, EventArgs e)
{
NguoiDungBLL nguoidungbll = new NguoiDungBLL();
string username = tbTenDangNhap.Text.Trim();
string pass = tbMatKhauCu.Text.Trim();
string passnew = tbMatKhauMoi.Text.Trim();
string xacnhanpass = bXacNhanMK.Text.Trim();
NguoiDungEntities nguoidungenti = new NguoiDungEntities();
nguoidungenti.Username = tbTenDangNhap.Text.Trim();
nguoidungenti.Pass = tbMatKhauCu.Text.Trim();
nguoidungenti.Pass = tbMatKhauMoi.Text.Trim();
nguoidungenti.Pass = bXacNhanMK.Text.Trim();
if (nguoidungbll.DangNhap(username, pass))
{
nguoidungbll.update(nguoidungenti);
MessageBox.Show("thay doi thanh cong", "thong bao", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
else
{
MessageBox.Show("thay doi that bai", "thong bao", MessageBoxButtons.OK, MessageBoxIcon.Warning);
}
}