private void txtDiscount_KeyDown(object sender, KeyEventArgs e)
{
if (e.KeyCode == Keys.Enter)
{
if (order.VerifyQty(txtIDproduct.Text, Convert.ToInt32(txtQty.Text)).Rows.Count < 1)
{
MessageBox.Show("الكمية المدخلة لهذا المنتج غير متاحة", "تنبيه", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
return;
}
for (int i = 0; i < dgvProducts.Rows.Count - 1; i++)
{
if (dgvProducts.Rows[i].Cells[0].Value.ToString() == txtIDproduct.Text)
{
MessageBox.Show("هذا المنتج تم إدخاله مسبقا", "تنبيه", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
return;
}
}
DataRow r = Dt.NewRow();
r[0] = txtIDproduct.Text;
r[1] = txtNameProduct.Text;
r[2] = txtPrice.Text;
r[3] = txtQty.Text;
r[4] = txtAmount.Text;
r[5] = txtDiscount.Text;
r[6] = txtTotalAmount.Text;
Dt.Rows.Add(r);
dgvProducts.DataSource = Dt;
ClearBoxes();
txtSumTotals.Text =
(from DataGridViewRow row in dgvProducts.Rows
where row.Cells[6].FormattedValue.ToString() != string.Empty
select Convert.ToDouble(row.Cells[6].FormattedValue)).Sum().ToString();
}
}
