private void btnThem_Click_1(object sender, EventArgs e)
{
panel3.Visible = true;
panel1.Width = 810;
panel1.Height = 659;
DocGia dg = new DocGia();
themhaysua = "them";
txtDiaChi.Enabled = true;
txtEmail.Enabled = true;
txtNgaySinh.Enabled = true;
txtNgayTao.Text = DateTime.Now.ToString();
txtSDT.Enabled = true;
cbbLoaiDG.Enabled = true;
cbbMaDocGia.Text = (int.Parse(dg.taoMaTuDong()) + 1).ToString();
cbbTenDocGia.Enabled = true;
txtDiaChi.Text = "";
txtEmail.Text = "";
txtNgaySinh.Text = "";
txtSDT.Text = "";
cbbLoaiDG.Text = "";
cbbTenDocGia.Text = "";
cbbTenDocGia.Focus();
}
