void DeriveShapeFromRows() {
object schemaInfo = null;
for (int i=0; (i<rows.Count) && (null==schemaInfo); i++) {
XPathNode nd = rows[i] as XPathNode;
Debug.Assert(null != nd && (XPathNodeType.Attribute == nd.NodeType || XPathNodeType.Element == nd.NodeType));
if (null != nd) {
if (XPathNodeType.Attribute == nd.NodeType)
schemaInfo = nd.SchemaAttribute;
else
schemaInfo = nd.SchemaElement;
}
}
if (0 == rows.Count) {
throw new NotImplementedException("XPath failed to match an elements");
}
if (null == schemaInfo) {
rows.Clear();
throw new XmlException(Res.XmlDataBinding_NoSchemaType, (string[])null);
}
ShapeGenerator shapeGen = new ShapeGenerator(this.namespaceResolver);
XmlSchemaElement xse = schemaInfo as XmlSchemaElement;
if (null != xse)
this.rowShape = shapeGen.GenerateFromSchema(xse);
else
this.rowShape = shapeGen.GenerateFromSchema((XmlSchemaAttribute)schemaInfo);
}