Schemas and pages

The header

The header shows the file name and three counts for the whole map, across all pages:

Source and target

Two cards show the map's schemas, read from the map's SrcTree and TrgTree:

• Root node: the RootNode_Name attribute, for example Order. If it is missing, the card says Unknown source root or Unknown target root.
• Reference: the Location of the tree's Reference, usually the schema's .NET type name.

<mapsource Name="BizTalk Map" Version="2" ...>
  <SrcTree RootNode_Name="Order">
    <Reference Location="Orders.Schemas.Order" />
  </SrcTree>
  <TrgTree RootNode_Name="Invoice">
    <Reference Location="Billing.Schemas.Invoice" />
  </TrgTree>
  <Pages>
    <Page Name="Header">
      <Links>
        <Link LinkID="1" LinkFrom="/*[local-name()='&lt;Schema&gt;']/*[local-name()='Order']/*[local-name()='OrderId']"
                         LinkTo="/*[local-name()='&lt;Schema&gt;']/*[local-name()='Invoice']/*[local-name()='OrderRef']" />
        <Link LinkID="2" LinkFrom="/*[local-name()='&lt;Schema&gt;']/*[local-name()='Order']/*[local-name()='Customer']" LinkTo="3" />
        <Link LinkID="3" LinkFrom="3"
                         LinkTo="/*[local-name()='&lt;Schema&gt;']/*[local-name()='Invoice']/*[local-name()='BillTo']" />
      </Links>
      <Functoids>
        <Functoid FunctoidID="3" Functoid-FID="107">
          <Input-Parameters>
            <Parameter Type="link" Value="2" />
            <Parameter Type="constant" Value=" (customer)" />
          </Input-Parameters>
        </Functoid>
      </Functoids>
    </Page>
  </Pages>
</mapsource>

Pages

Large maps are split into pages in the BizTalk Mapper. The drop-down lists every page by its Name (or Page 1, Page 2 … when a page has no name). The viewer shows the links of one page at a time and starts on the first page.