在VS2010中更改数据集XSD会生成从DataTable继承的代码，而不是TypedTableBase＆lt; Type＆gt;

<xs:element name="Country">
    <xs:complexType>
        <xs:sequence>
            <xs:element name="code" type="xs:string" />
            <xs:element name="name" type="xs:string" />
            <xs:element name="diallingcode" type="xs:int" />
            <xs:element name="displayOrder" type="xs:nonNegativeInteger" />
        </xs:sequence>
    </xs:complexType>
    <xs:key name="countryKey1">
        <xs:selector xpath="." />
        <xs:field xpath="mstns:code" />
    </xs:key>
</xs:element>

[global::System.Serializable()]
    [global::System.Xml.Serialization.XmlSchemaProviderAttribute("GetTypedTableSchema")]
    public partial class CountryDataTable : global::System.Data.TypedTableBase<CountryRow> {

[global::System.Serializable()]
    [global::System.Xml.Serialization.XmlSchemaProviderAttribute("GetTypedTableSchema")]
    public partial class CountryDataTable : global::System.Data.DataTable, global::System.Collections.IEnumerable {