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Unique Nodes

Subject: Unique Nodes
From: Karthik <ckkarthik@xxxxxxxxx>
Date: Wed, 28 Mar 2007 17:55:26 -0400
 Unique Nodes
Hi ,
I am new to XSLT.
I have to grab the unique Products from the Input below

INPUT:

<Proposal>
	<Quote>
	<QuoteId>1</QuoteId>
		<Products>	
			<Product>
				<ProdID>
					1234
				</ProdID>
				<ProdID>
					5678
				</ProdID>
			</Product>
		</Products>
	</Quote>
	<Quote>
	<QuoteId>2</QuoteId>
		<Products>	
			<Product>
				<ProdID>
					1234
				</ProdID>
				<ProdID>
					5678
				</ProdID>
			</Product>
		</Products>
	</Quote>
</Proposal>

Desired OUTPUT:

<Proposal>
	<Products>
		<ProdId>1234</ProdId>
		<ProdId>5678</ProdId>
	</Products>
</Proposal>


The code which I am trying is


<xsl:variable name="unique-Product"
select="//Proposal/Quote/Products/Product[not(ProductId=ancestor::Product/ProductId)]"/>

	<xsl:for-each select="$unique-Product">
	</xsl:for-each>

Any help is appreciated

Thanks in advance
Karthik

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