Use xml file like then you will able to read more than one table in dataset by ds.ReadXml(xmlfile) ;Just test it.

<?xml version="1.0" standalone="yes"?>
<PersonalInfo>
<xs:schema id="PersonalInfo" xmlns="" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
<xs:element name="PersonalInfo" msdata:IsDataSet="true" msdata:UseCurrentLocale="true">
xs:complexType
<xs:choice minOccurs="0" maxOccurs="unbounded">
<xs:element name="PesonalInfo.">
xs:complexType
xs:sequence
<!--Define Column Here....-->
<xs:element name="name" type="xs:string" />
<xs:element name="address" type="xs:string" />
</xs:sequence>
</xs:complexType>
</xs:element>
</xs:choice>
</xs:complexType>
</xs:element>
</xs:schema>
<!--First Row-->
<PersonalInfo.>
<name>abc</name>
<address>xyz</address>
</PersonalInfo.>
<!--Second Row-->
<!--If You Want To Define-->
<name>bcd</name>
<address>ssss</address>
<!--Please Be CareFull When Enter New Row If There Is No Data To Insert To
Particular Column Then Write NULL-->

  <xs:schema id="OtherInfo" xmlns="" xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata">
    <xs:element name="OtherInfo" msdata:IsDataSet="true" msdata:UseCurrentLocale="true">
      <xs:complexType>
        <xs:choice minOccurs="0" maxOccurs="unbounded">
          <xs:element name="OtherInfo.">
            <xs:complexType>
              <xs:sequence>
                <!--Define Column Here....-->
                <xs:element name="name" type="xs:string" />
                <xs:element name="address" type="xs:string" />
              </xs:sequence>
            </xs:complexType>
        </xs:element>
        </xs:choice>
    </xs:complexType>
    </xs:element>
  </xs:schema>

</PersonalInfo>