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asp.listview and paypal problem

I am trying to use the asp:listview to add products to a page.
I have managed to get them all the page.  
But when  I add the <form...etc for the paypal button, the first element in the list seems to render as its own list.

I view source and the source only has one <ul> body, so I am bit stuck as to what is happening,

I ahve tried changing the <ul><li> to tables instead but I still get the same problem.

Please help
<asp:listview id="pics" runat="server"
			ondatabinding="pics_DataBinding" onitemdatabound="pics_ItemDataBound" >
				<ul class="picList">
					<placeholder id="itemPlaceholder" runat="server" />
					<img src="Photos/<%#Eval("PhotoName")%>.jpg" alt=""/>
						<form name="ppform" id="ppform" target="paypal" action="https://www.paypal.com/cgi-bin/webscr" method="post">
							<input type="hidden" name="add" value="<%#Eval("PhotoName")%>"></input>
							<input type="hidden" name="cmd" value="_cart"></input>
							<input type="hidden" name="business" value="inf0@vnayer.com"></input>
							<input type="hidden" name="item_name" value="VNayer Photography"></input>
							<input type="hidden" name="item_number" value="<%#Eval("PhotoName")%>"></input>
							<input type="hidden" name="no_shipping" value="0"></input>
							<input type="hidden" name="no_note" value="1"></input>
							<input type="hidden" name="on0" value=""></input>
							<input type="hidden" name="return" value="http://www.vnayerphotography.com/default.aspx"></input>
							<input type="hidden" name="currency_code" value="GBP"></input>
							<input type="hidden" name="lc" value="UK"></input>
							<input type="hidden" name="bn" value="PP-ShopCartBF"></input>
							<input type="hidden" name="shipping" value="0.00"></input>
							<input type="hidden" name="flatRateShipping" value="true"></input>
							<input type="hidden" name="flatShippingCost" value="0.00"></input>
							<input type="hidden" name="localPickup" value="false"></input>
							<select name="amount" id="sizes">
								<option value="35">10x8 Print -  £35.00</option>
								<option value="12.50">7x5 Print -  £12.50</option>
								<option value="5.50">6x4 Print -  £5.50</option>
							<br />
							<input type="image" src="../images/shoppingcart.gif" name="submit" style="padding:0px;margin-bottom:-2px;" alt="PayPal!"></input>

					Sorry - no photos found

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2 Solutions
Richard LeeSoftware EnthusiastCommented:
Having several form tags in a ASP.NET Webforms page seems like a big no no. What I have done in the past is construct on the server a PayPal Url and redirect to paypal. This of course would eliminate your need for forms and saving the data in the page. Reduced page size, less security risk as you are only exposing a unique key for each product.

Richard LeeSoftware EnthusiastCommented:
I thought I would supply a code sample to illustrate. The Navigator class simple builds a Url and allow redirect to that Url.

private Navigator BuildPayPalUrl()
	Navigator navigator = new Navigator { Page = "https://www.paypal.com/cgi-bin/webscr" };

	navigator["cmd"] = "_xclick";
	navigator["business"] = "Your Business Code";
	navigator["lc"] = "GB";
	navigator["item_name"] = _product.Name;
	navigator["item_number"] = _product.Code;
	navigator["amount"] = _product.Cost.ToString("#0.00");
	navigator["currency_code"] = _currency.Code;
	navigator["no_note"] = "1";
	navigator["no_shipping"] = "1";
	navigator["rm"] = "1";
	navigator["return"] = "Your return url";
	navigator["cancel_return"] = "Your cancel url";
	navigator["notify_url"] = "Your IPN url";
	navigator["custom"] = "Unique ID such as sale ID or whatever you like";

	return navigator;

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vpatel2708Author Commented:
Thanks DaTribe...

Would you just put this onto the click event of your add to cart button then?

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Richard LeeSoftware EnthusiastCommented:
Probably just the product code or something that would identify what product they chose. Depending on how the site allows users to list prices in various currencies that might have to be sent also.

vpatel2708Author Commented:
Still a little lost in the execution of the thing as a whole.

So let me start by what I am thinking.

In the markup, <ItemTemplate> I would have my image as it is, then a dropdownlist to show the options that are available to buy and an add to cart button, this button when clicked would need to tell serverside the product chosen and the option in the dropdownlist chosen.

On sever side I can then construct the URL and redirect to that url??  is that right?

Also would be great if you could post a small sample of what the Navigator class looks like...cheers
Richard LeeSoftware EnthusiastCommented:
OK await a sample code snippet. Since I left all my resources at home I would have to reconstruct.

vpatel2708Author Commented:
Thank you for your help, its really appreciated
Richard LeeSoftware EnthusiastCommented:
Okay I have produced a sample however the process/flow is as follows:

Show Products --> Add to Basket --> Checkout --> Collect Payment via PayPal --> (Paypal communicate via IPN) --> Return Url --> (PayPal communicate via IPN)

Hopefully that didn't confuse you. I have communicate by IPN many times because depending on what is happening with the payment PayPal will always communicate in the background to let you know.


BTW this was a quick job so don't judge on the inline styles, lack of layers or separation, etc, etc :).

vpatel2708Author Commented:
Sorry for the delayed respose.

Thank you so much for the sample project, I didn't use your exact example, but your help definetly pointed me in the right direction and now I have my own shopping cart.

vpatel2708Author Commented:
Very grateful for the trouble you went through to provide me a sample solution
Richard LeeSoftware EnthusiastCommented:
Always glad to help!
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