private void btnSave_Click(object sender, EventArgs e)
{
ms.AddPR(int.Parse(txtPEId.Text), int.Parse(txtQuantity.Text));
purchaseReturnBindingSource.DataSource = cmd.Purchase_Return.ToList();
Product_Order p = new Product_Order();
using (cmd)
{
p = cmd.Product_Order.Where(x => x.PONo.ToString().Equals(txtPONo.Text)).FirstOrDefault();
p.Quabtity = p.Quabtity - (int.Parse(txtQuantity.Text));
cmd.Entry(p).State = EntityState.Modified;
cmd.SaveChanges();
}
MessageBox.Show("Succesfully Return");
txtQuantity.Clear();
load();
}