XSLT: Biztalk : Convert to string to Upper case

 <xsl:variable name="smallcase" select="'abcdefghijklmnopqrstuvwxyz'" />
 <xsl:variable name="uppercase" select="'ABCDEFGHIJKLMNOPQRSTUVWXYZ'" />

<xsl:value-of select="translate(s0:Name/text(), $smallcase, $uppercase)" />