So, you want to know which fields your data source is returning. You can use the following XSLT:
1:<xsl:for-eachselect="/dsQueryResponse/Rows/Row/@*">
2:<p>Name: <xsl:value-ofselect="name()"/> Value: <xsl:value-ofselect="."/></p>
3:</xsl:for-each>

So, you want to know which fields your data source is returning. You can use the following XSLT:
1:<xsl:for-eachselect="/dsQueryResponse/Rows/Row/@*">
2:<p>Name: <xsl:value-ofselect="name()"/> Value: <xsl:value-ofselect="."/></p>
3:</xsl:for-each>