protected void ddlQty_SelectedIndexChanged(object sender, EventArgs e)
{
DropDownList ddl = sender as DropDownList;
int selectedQty;
if (Int32.TryParse(ddl.SelectedValue, out selectedQty))
{
RepeaterItem item = (RepeaterItem)ddl.NamingContainer;
HiddenField field = (HiddenField)item.FindControl("ProdAttrID");
int prodAttrId;
if (Int32.TryParse(field.Value, out prodAttrId))
{
SHOPPING_CART cart;
if ((cart = CartSession.Where(c => c.ID == CartID && c.ProdAttrID == prodAttrId).FirstOrDefault()) != null)
{
// we already have the right version in the session variable cartsession
int oldQuantity = cart.Quantity;
DateTime oldDate = cart.DateAdded;
cart.Quantity = selectedQty;
cart.DateAdded = DateTime.Now;
try
{
ApplicationContext.Current.Carts.Update(cart, oldQuantity);
}
catch (Exception ex)
{
OrderNew parent = this.Page as OrderNew;
parent.writeResult(ex.Message, true);
// reverse situation because of optimistic error
cart.Quantity = oldQuantity;
cart.DateAdded = oldDate;
}
// refresh session, optional
//CartSession = ApplicationContext.Current.Carts.GetShoppingCartItems(CartID);
DataBind(CartSession);
// notify parent for a partial refresh
NeedRefresh(sender, e);
ddl.Enabled = false;
LinkButton lnk = (LinkButton)item.FindControl("lnkEdit");
lnk.Enabled = false;
}
}
}
}