SSRS(rdl报表)分页显示表头和冻结表头

       <TablixRowHierarchy>
          <TablixMembers>
            <TablixMember>
              <KeepWithGroup>After</KeepWithGroup>
              <RepeatOnNewPage>true</RepeatOnNewPage>
              <FixedData>true</FixedData>
            </TablixMember>
            <TablixMember>
              <Group Name="pom_order_id">
                <GroupExpressions>