private void btnThem_Click(object sender, EventArgs e)
{
int soluong;
int dongia;
if (txtGia.Text == "" || txtMaSP.Text == "" || txtSoLuong.Text == "" || txtTenSp.Text == "" || txtXuatXu.Text == "")
{
MessageBox.Show("Vui long nhap du lieu con thieu");
}
else if (!int.TryParse(txtSoLuong.Text, out soluong))
{
MessageBox.Show("Vui long nhap lai So Luong.");
}
else if (!int.TryParse(txtGia.Text, out dongia))
{
MessageBox.Show("Vui long nhap lai Gia.");
}
else
{
SanPham sp = new SanPham(txtMaSP.Text, txtTenSp.Text, soluong, dongia, txtXuatXu.Text, cboDanhMuc.SelectedValue.ToString());
if (objSP.AddSanPham(sp))
{
MessageBox.Show("Thanh Cong");
dataGridView1.DataSource = objSP.GetSanPhamByMADM(MainForm.strMaDanhMuc_Chon);
}
else
{
MessageBox.Show("That Bai");
}
}
}