protected void btn_AddCart_Click(object sender, EventArgs e)
{
Bookstore_BO bookstorebo = new Bookstore_BO();
productId = bookstorebo.retrieveProductId(lbl_Item.Text).ToString();
int OldQuantity = Convert.ToInt32(bookstorebo.retrieveProductQuantity(Convert.ToInt32(productId)));
int NewQuantity = OldQuantity - Convert.ToInt32(TB_Quantity.Text);
if (NewQuantity >= 0)
{
int IdExist = Convert.ToInt32(bookstorebo.retrieveProductIdFromCart(Convert.ToInt32(productId)));
if (IdExist > 0)
{
bookstorebo.updateQuantityInCartDB(Convert.ToInt32(productId), Convert.ToInt32(TB_Quantity.Text));
}
else
{
ImageURL = bookstorebo.retrieveImageString(Convert.ToInt32(productId));
NAME = GridView1.SelectedRow.Cells[2].Text.ToString();
PRICE = Convert.ToDecimal(GridView1.SelectedRow.Cells[3].Text);
Quantity = Convert.ToInt32(TB_Quantity.Text.Trim());
bookstorebo.AddProduct(Convert.ToInt32(productId), ImageURL, NAME, PRICE, Quantity);
}
}
else
{
lbl_Error.Visible = true;
}
lbl_Item.Text = "";
TB_Quantity.Text = "";
lbl_Success.Visible = true;
}