Hi everyone. I have a book 'beginning asp.net using
vb.net'. It is so far so good.
But doing exercise at ch 10(436pages) question No.4, by myself, I have a problem.
I wanted to add session("Basket") with product_a to product_e that user selected.
And I wanted to show the dropdownlist that is made new array by split session("Basket").
Here`s the code that I made.
Code:
<%@page language="vb"%>
<script language="vb" runat="server">
sub page_load(source as object, e as system.eventargs)
if not ispostback then
mydropdownlist.items.add("product_a")
mydropdownlist.items.add("product_b")
mydropdownlist.items.add("product_c")
mydropdownlist.items.add("product_d")
mydropdownlist.items.add("product_e")
addbutton.text = "Add Basket"
emptybutton.text = "Empty Basket"
'''''''''here`s the problem start'''''''''''
dim str_session as string = session("Basket")
dim str_array as array = split(str_session,":")
dim i as integer
dim for_end_count = ubound(str_array)
if str_session <> "" then
for i=0 to for_end_count
str_session_list.items.add(str_array(i))
next
end if
end if
end sub
sub AddBasket(sender as object, e as system.eventargs)
session("Basket") += mydropdownlist.selecteditem.text & ":"
end sub
sub EmptyBasket(sender as object, e as system.eventargs)
session("Basket") = ""
end sub
</script>
HTML Code:
[body]
[form id="myform" runat="server" method="post"]
[asp:DropDownList ID="mydropdownlist" Runat="server"][/asp:dropdownlist]
[br]
[asp:button id="addbutton" runat="server" onclick="AddBasket"][/asp:button]
[br]
[asp:butotn id="emptybutton" runat="server" onclick="EmptyBasket"][/asp:button]
[br]
MyBasket_ProductList :
[asp:dropdownlist id="str_session_list" runat="server"][/asp:dropdownlist]
[/form]
[/body]
Please Help me~~