protected void Button4_Click(object sender, EventArgs e)
{
Shoping ac = new Shoping();
ShopingDatum dm = new ShopingDatum();
Calcuate();
dm.Id_Factor = decimal.Parse(Request.QueryString["Id_Factor"].ToString());
dm.Discount = decimal.Parse(TextBoxTakhfif.Text);
dm.Tasx = decimal.Parse(TextBox10.Text);
dm.Send_Price = decimal.Parse(TextBox11.Text);
dm.Sum_Price = decimal.Parse(Label22.Text);
dm.Description = txtDescription.Text;
ac.Factor_Update_Takhfif(dm);
Label19.Visible = true;
}