Generating Wiki Documentation from Entity Framework edmx File

After introducing the XML format of Entity Framework’s edmx files, let’s use that knowledge to create a small XSLT style sheet which displays the mappings of tables and entities in a Wiki-style table (which can be used in MediaWiki and SharePoint wikis).

In the XSLT root, we need to declare all namespaces used by the edmx to access nodes and attributes:

<?xml version="1.0" encoding="utf-8" standalone="yes" ?>
<xsl:stylesheet version="1.0"
    xml:space="default" >
<xsl:output method="html" omit-xml-declaration="yes"  />

<!-- input file is C:\path\to\Model.edmx -->

This XSLT does not start with the mappings section, but with the tables and views inside the Schema definition, and then looks up their Mappings definition:

<xsl:template match="/">
    select="edmx:Edmx/edmx:Runtime/edmx:StorageModels/ssdl:Schema" />
<xsl:template match="ssdl:Schema">
    <table width="100%">
      <xsl:apply-templates select="ssdl:EntityType" >
        <xsl:with-param name="namespace" select="@Namespace" />

This code creates a table row for each database table and its class:

<xsl:template match="ssdl:EntityType" >
  <xsl:param name="namespace"></xsl:param>
      <xsl:variable name="table" select="@Name" ></xsl:variable>
      <xsl:variable name="map" 
                            cs:MappingFragment/@StoreEntitySet=$table]" />
      <xsl:variable name="s" select="$map/*/@TypeName" />
      <xsl:variable name="p" 
            substring($namespace, 1, string-length($namespace) - 5))" />
      <xsl:variable name="class" 
          select="substring($s, string-length($p) + 1, 
            string-length($s) - string-length($p) - 1)">
  <tr valign="top">
    <td >
      [[<xsl:value-of select="@Name"/>]]
      <xsl:value-of select="$class" />

The [[ ]] notation creates a wiki hyperlink that allows developers to document tables and entities, and link to other documentation.

2 thoughts on “Generating Wiki Documentation from Entity Framework edmx File

  1. Pingback: Generating Documentation of Entity Framework edmx Files « devioblog

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