public void SubmitNewBuyFactor()
{
Sell_factor jadid = new Sell_factor();
jadid.seller_company = Combo_sherkat.SelectedItem.ToString();
jadid.sell_price = int.Parse(txt_sellprice.Text);
jadid.product_name = Combo_kala.SelectedItem.ToString();
jadid.unit = lbl_unit.Text;
jadid.buy_price = int.Parse(txt_buyprice.Text);
jadid.description = txt_description.Text;
jadid.amount = int.Parse(txt_amount.Text);
jadid.sum_finance = ((int.Parse(txt_sellprice.Text)) - (int.Parse(txt_buyprice.Text)) - (int.Parse(txt_discount.Text))) * (int.Parse(txt_amount.Text));
jadid.date = date_date.SelectedDate;
jadid.discount = int.Parse(txt_discount.Text);
db.Sell_factors.InsertOnSubmit(jadid);
db.SubmitChanges();
Dg_1.ItemsSource = db.Sell_factors;
}
partial void DeleteSell_factor(Sell_factor instance);
partial void UpdateSell_factor(Sell_factor instance);
partial void InsertSell_factor(Sell_factor instance);