private void btnCreate_Click(object sender, EventArgs e)
{
tbl_Product product = null;
try
{
product = db.tbl_Products.FirstOrDefault(res => res.ProductID.Equals(txtProductID.Text));
}
catch (Exception)
{
XtraMessageBox.Show("Nhập ID sản phẩm", "Thông báo");
return;
}
if (product == null)
{
XtraMessageBox.Show("Không tìm thấy hàng hóa", "Thông báo");
return;
}
//Kiem tra trong bill da co hang hoa giong
foreach (DataRow dr in dt.Rows)
{
if (dr[0].Equals(txtProductID.Text))
{
int numberOfProduct = int.Parse(dr[2].ToString());
dr[2] = (numberOfProduct + int.Parse(txtNumberOfProduct.Text)).ToString();
dgvBill.DataSource = dt;
cal_total_price();
return;
}
}
DataRow ndr = dt.NewRow();
ndr[0] = txtProductID.Text;
ndr[1] = product.NameOfProduct;
ndr[2] = txtNumberOfProduct.Text;
ndr[3] = product.PriceOfProduct;
dt.Rows.Add(ndr);
dgvBill.DataSource = dt;
txtNumberOfProduct.Text = "1";
cal_total_price();
}
partial void Deletetbl_Product(tbl_Product instance);
partial void Updatetbl_Product(tbl_Product instance);
partial void Inserttbl_Product(tbl_Product instance);
