private void btnSave_Click(object sender, EventArgs e)
{
Seller seller = new Seller();
seller.name = txtName.Text;
if (seller.IsValid)
{
SellerController sellerController = new SellerController();
sellerController.Add(seller);
this.Close();
}
else
{
MessageBox.Show(seller.Validator().ErrorMessage, "Invalid Data", MessageBoxButtons.OK, MessageBoxIcon.Information);
txtName.SelectAll();
txtName.Focus();
}
}