private void btnChoose_Click(object sender, EventArgs e)
        {
            frmOrderDetailInput owner = (frmOrderDetailInput)this.Owner;

            owner.SetOrderID(txtOrderID.Text);
            this.Close();
        }
 private void btnChoose_Click(object sender, EventArgs e)
 {
     if (chkDiscontinued.Checked == true)
     {
         MessageBox.Show("This product is discontinued!", "Warning", MessageBoxButtons.OK, MessageBoxIcon.Warning);
     }
     else
     {
         frmOrderDetailInput owner = (frmOrderDetailInput)this.Owner;
         owner.SetProductID(txtProductID.Text, txtUnitPrice.Text);
         this.Close();
     }
 }
 private void btnNew_Click(object sender, EventArgs e)
 {
     if (checkShipDate(OrderID.Text) == true)
     {
         MessageBox.Show("Order has been ship");
         return;
     }
     else
     {
         frmOrderDetailInput input = new frmOrderDetailInput();
         input.Owner = this;
         input.IsNew = true;
         input.getOrderID(OrderID.Text);
         input.ShowDialog();
     }
 }
        private void btnUpdate_Click(object sender, EventArgs e)
        {
            if (checkShipDate(OrderID.Text) == true)
            {
                MessageBox.Show("Order has been ship");
                return;
            }
            else
            {
                DataGridViewRow row = dgOrderDetails.CurrentRow;

                if (row != null)
                {
                    frmOrderDetailInput input = new frmOrderDetailInput();
                    input.Owner = this;
                    input.getOrderID(OrderID.Text);
                    input.IsNew = false;
                    input.SetChooseButton(false);
                    input.SetData(row.Cells[0].Value.ToString(), row.Cells[1].Value.ToString(), row.Cells[2].Value.ToString()
                                  , row.Cells[3].Value.ToString());
                    input.ShowDialog();
                }
            }
        }