Web Forms :: Can't Pass String From Database

I'm creating a dynamic menu, from the reading of a table in a database, everything is going well so far I need to read the url field that has the address of the pages, to appear in the masterpage, the problem can not I pass the string from the database for the navigateUrl.

<DataBindings>
<asp:MenuItemBinding DataMember="MenuItem"
TextField="Text" ToolTipField="ToolTip" NavigateUrl="pathurl"/>
</DataBindings>
<?xml version="1.0" encoding="utf-8"?>
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
<xsl:output method="xml" indent="yes" encoding="utf-8"/>
<!-- Find the root node called Menus
and call MenuListing for its children -->
<xsl:template match="/Menus">
<MenuItems>
<xsl:call-template name="MenuListing" />
</MenuItems>
</xsl:template>
<!-- Allow for recusive child node processing -->
<xsl:template name="MenuListing">
<xsl:apply-templates select="Menu" />
</xsl:template>
<xsl:template match="Menu">
<MenuItem>
<!-- Convert Menu child elements to MenuItem attributes -->
<xsl:attribute name="Text">
<xsl:value-of select="Description"/>
</xsl:attribute>
<xsl:attribute name="ToolTip">
<xsl:value-of select="Text"/>
</xsl:attribute>
<xsl:attribute name="pathurl">
<xsl:value-of select="url"/>
</xsl:attribute>
<!-- Call MenuListing if there are child Menu nodes -->
<xsl:if test="count(Menu) > 0">
<xsl:call-template name="MenuListing" />
</xsl:if>
</MenuItem>
</xsl:template>
</xsl:stylesheet>