public void AddBook(TypeOfBooks book)
{
for (int index = 0; index < invoice.Rows.Count; index++)
{
if (((string)invoice.Rows[index]["Tên sách"]) == book.Name)
{
invoice.Rows[index]["Số lượng"] = ((int)invoice.Rows[index]["Số lượng"]) + 1;
invoice.Rows[index]["Thành tiền"] = ((int)invoice.Rows[index]["Đơn giá"]) * ((int)invoice.Rows[index]["Số lượng"]);
UpdateThanhTien();
return;
}
}
invoice.Rows.Add(book.Name, 1, book.Price, book.Price);
UpdateThanhTien();
}
private void MyBtn_Click(object sender, EventArgs e)
{
TypeOfBooks selectedBook = ((BookButton)sender).MyBook;
AddSelfHelpBook(selectedBook);
}
public void AddImage(TypeOfBooks book)
{
pictureBox_AnhSach.Image = book.myImage;
}
