private void WriteTableType(DataTable table)
{
ArrayList elements;
ArrayList atts;
DataColumn simple;
DataSet.SplitColumns(table, out atts, out elements, out simple);
w.WriteStartElement("xs", "complexType", xmlnsxs);
if (simple != null)
{
w.WriteStartElement("xs", "simpleContent", xmlnsxs);
// add column name attribute
w.WriteAttributeString(
XmlConstants.MsdataPrefix,
XmlConstants.ColumnName,
XmlConstants.MsdataNamespace,
XmlHelper.Encode(simple.ColumnName));
// add ordinal attribute
w.WriteAttributeString(
XmlConstants.MsdataPrefix,
XmlConstants.Ordinal,
XmlConstants.MsdataNamespace,
XmlConvert.ToString(simple.Ordinal));
// add extension
w.WriteStartElement("xs", "extension",
xmlnsxs);
w.WriteStartAttribute("base", String.Empty);
WriteQName(MapType(simple.DataType));
w.WriteEndAttribute();
WriteTableAttributes(atts);
w.WriteEndElement();
}
else
{
WriteTableAttributes(atts);
bool isNested = false;
foreach (DataRelation rel in table.ParentRelations)
{
if (rel.Nested)
{
isNested = true;
break;
}
}
// When we have a nested relationship and only one table,
// could be that we have a reference attribute
if (elements.Count > 0 || (isNested && tables.Length < 2))
{
w.WriteStartElement("xs", "sequence",
xmlnsxs);
foreach (DataColumn col in elements)
{
WriteTableTypeParticles(col);
}
foreach (DataRelation rel in table.ChildRelations)
{
if (rel.Nested)
{
WriteChildRelations(rel);
}
}
w.WriteEndElement();
}
}
w.WriteFullEndElement(); // complexType
}