XML、DataSet、DataGrid结合二

<?xml version="1.0" standalone="yes"?>
<advertisements>
  <xsd:schema id="advertisements" targetnamespace="" xmlns="" 
  xmlns:xsd="http://www.w3.org/1999/xmlschema" 
  xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
    <xsd:element name="ad">
      <xsd:complextype content="elementonly">
        <xsd:all>
          <xsd:element name="imageurl" minoccurs="0" type="xsd:string"/>
          <xsd:element name="navigateurl" minoccurs="0" type="xsd:string"/>
          <xsd:element name="alternatetext" minoccurs="0" type="xsd:string"/>
          <xsd:element name="keyword" minoccurs="0" type="xsd:string"/>
          <xsd:element name="impressions" minoccurs="0" type="xsd:string"/>
        </xsd:all>
      </xsd:complextype>
    </xsd:element>
    <xsd:element name="advertisements" msdata:isdataset="true">
      <xsd:complextype>
        <xsd:choice maxoccurs="unbounded">
          <xsd:element ref="ad"/>
        </xsd:choice>
      </xsd:complextype>
    </xsd:element>
  </xsd:schema>
  <ad>
    <imageurl>aspcn_bbs1.gifc</imageurl>
    <navigateurl>http://www.chinabs.net</navigateurl>
    <alternatetext>中国bs网</alternatetext>
    <keyword>bbs</keyword>
    <impressions>50</impressions>
  </ad>
  <ad>
    <imageurl>aspcn_bbs3.gif</imageurl>
    <navigateurl>http://www.chinabs.net</navigateurl>
    <alternatetext>中国bs网</alternatetext>
    <keyword>bbs</keyword>
    <impressions>50</impressions>
  </ad>
  <ad>
    <imageurl>aspcn_bbs2.gifc</imageurl>
    <navigateurl>http://www.chinabs.net</navigateurl>
    <alternatetext>中国bs网</alternatetext>
    <keyword>bbs2</keyword>
    <impressions>50</impressions>
  </ad>
  <ad>
    <imageurl>http://asp.6to23.com/jefenet/images/logo.gif</imageurl>
    <navigateurl>http://www.chinabs.net</navigateurl>
    <alternatetext>中国bs网</alternatetext>
    <keyword>asp/keyword>
    <impressions>80</impressions>
  </ad>
  <ad>
    <imageurl>http://asp.6to23.com/jefenet/images/logo.gif</imageurl>
    <navigateurl>http://www.chinabs.net</navigateurl>
    <alternatetext>中国bs网</alternatetext>
    <keyword>asp/keyword>
    <impressions>80</impressions>
  </ad>
  <ad>
    <imageurl>http://asp.6to23.com/jefenet/images/logo.gif</imageurl>
    <navigateurl>http://www.chinabs.net</navigateurl>
    <alternatetext>中国bs网</alternatetext>
    <keyword>asp/keyword>
    <impressions>80</impressions>
  </ad>
  <ad>
    <imageurl>http://asp.6to23.com/jefenet/images/logo.gif</imageurl>
    <navigateurl>http://www.chinabs.net</navigateurl>
    <alternatetext>中国bs网</alternatetext>
    <keyword>asp/keyword>
    <impressions>80</impressions>
  </ad>
  <ad>
    <imageurl>http://asp.6to23.com/jefenet/images/logo.gif</imageurl>
    <navigateurl>http://www.chinabs.net</navigateurl>
    <alternatetext>中国bs网</alternatetext>
    <keyword>asp/keyword>
    <impressions>80</impressions>
  </ad>
  <ad>
    <imageurl>http://asp.6to23.com/jefenet/images/logo.gif</imageurl>
    <navigateurl>http://www.chinabs.net</navigateurl>
    <alternatetext>中国bs网</alternatetext>
    <keyword>asp/keyword>
    <impressions>80</impressions>
  </ad>
  <ad>
    <imageurl>http://asp.6to23.com/jefenet/images/logo.gif</imageurl>
    <navigateurl>http://www.chinabs.net</navigateurl>
    <alternatetext>中国bs网</alternatetext>
    <keyword>asp/keyword>
    <impressions>80</impressions>
  </ad>
  <ad>
    <imageurl>http://asp.6to23.com/jefenet/images/logo.gif</imageurl>
    <navigateurl>http://www.chinabs.net</navigateurl>
    <alternatetext>中国bs网</alternatetext>
    <keyword>asp/keyword>
    <impressions>80</impressions>
  </ad>
  <ad>
    <imageurl>http://asp.6to23.com/jefenet/images/logo.gif</imageurl>
    <navigateurl>http://www.chinabs.net</navigateurl>
    <alternatetext>中国bs网</alternatetext>
    <keyword>asp/keyword>
    <impressions>80</impressions>
  </ad>
  <ad>
    <imageurl>http://asp.6to23.com/jefenet/images/logo.gif</imageurl>
    <navigateurl>http://www.chinabs.net</navigateurl>
    <alternatetext>中国bs网</alternatetext>
    <keyword>asp</keyword>
    <impressions>98090</impressions>
  </ad>
  <ad>
    <imageurl>http://asp.6to23.com/jefenet/images/logo.gif</imageurl>
    <navigateurl></navigateurl>
    <alternatetext>中国bs网</alternatetext>
    <keyword>asp</keyword>
    <impressions>98090</impressions>
  </ad>
  <ad>
    <imageurl>http://wwwaspcn.com</imageurl>
    <navigateurl>http://</navigateurl>
    <alternatetext>asp</alternatetext>
    <keyword></keyword>
    <impressions></impressions>
  </ad>
</advertisements>