System.Data.XmlSchemaDataImporter.FillDataColumnComplexElement C# (CSharp) Method

		private void FillDataColumnComplexElement (XmlSchemaElement parent, XmlSchemaElement el, DataColumn col)
		{
			if (targetElements.Contains (el))
				return; // do nothing

			string elName = XmlHelper.Decode (el.QualifiedName.Name);
			if (elName == dataset.DataSetName)
				// Well, why it is ArgumentException :-?
				throw new ArgumentException ("Nested element must not have the same name as DataSet's name.");

			if (el.Annotation != null)
				HandleAnnotations (el.Annotation, true);
			// If xsd:keyref xsd:key for this table exists, then don't add
			// relation here manually.
			else if (!DataSetDefinesKey (elName)) {
				AddParentKeyColumn (parent, el, col);

				RelationStructure rel = new RelationStructure ();
				rel.ParentTableName = XmlHelper.Decode (parent.QualifiedName.Name);
				rel.ChildTableName = elName;
				rel.ParentColumnName = col.ColumnName;
				rel.ChildColumnName = col.ColumnName;
				rel.CreateConstraint = true;
				rel.IsNested = true;
				relations.Add (rel);
			}

			// If the element is not referenced one, the element will be handled later.
			if (el.RefName == XmlQualifiedName.Empty)
				ProcessDataTableElement (el);

		}