会XSL的进..用的MYSQL数据库~!在线等!!!

<xsl:template name="SubCatCell">
                <xsl:param name="scName"></xsl:param>
                <xsl:param name="URL"><xsl:value-of select="aspdnsf:EntityLink(EntityID, SEName, $EntityName, 0, '')" /></xsl:param>                <td align="center">
                    <a href="{$URL}">
                        <xsl:value-of select="aspdnsf:LookupEntityImage(EntityID, $EntityName, 'icon', 0)" disable-output-escaping="yes" />
                    </a>
                    <br/>
                    <a href="{$URL}">
                        <xsl:value-of select="$scName" disable-output-escaping="yes"/>
                    </a>
                </td>            </xsl:template>
                        <xsl:template match="Product">                <xsl:if test="position() mod $SubcatGridCols = 1">
                    <tr>
                     <xsl:for-each select=". | following-sibling::*[position() &lt; $SubcatGridCols]">
                        <xsl:call-template name="ProductCell"></xsl:call-template>
                     </xsl:for-each>
                    </tr>
                </xsl:if>            </xsl:template>
            <xsl:template name="ProductCell">                <xsl:param name="pName2" select="aspdnsf:GetMLValue(Name)"></xsl:param>                <td align="center" style="border:1px solid #ccc;">
                    <a href="{aspdnsf:ProductandEntityLink(ProductID, SEName, $EntityID, $EntityName, 0)}">
                        <xsl:value-of select="aspdnsf:LookupImage(ProductID, 'product', 'icon', 1)" disable-output-escaping="yes"/>
                    </a>
                    <br/>
                    <a href="{aspdnsf:ProductandEntityLink(ProductID, SEName, $EntityID, $EntityName, 0)}">
                        <xsl:value-of select="$pName2" disable-output-escaping="yes"/>
                    </a>
                </td>            </xsl:template>
;里面象select="aspdnsf:LookupImage(ProductID, 'product', 'icon', 1)"
这样的对数据库操作的语句都不知道什么意思,请高手解释一下.小弟感激不尽..55