System.Data.XmlSchemaWriter.WriteDataSetElement C# (CSharp) Method

		private void WriteDataSetElement ()
		{
			w.WriteStartElement ("xs", "element", xmlnsxs);
			w.WriteAttributeString ("name", XmlHelper.Encode (dataSetName));
			w.WriteAttributeString (XmlConstants.MsdataPrefix,
				"IsDataSet", XmlConstants.MsdataNamespace,
				"true");

#if NET_2_0
			bool useCurrentLocale = (dataSetLocale == null);

			if (!useCurrentLocale)
#endif
			{
				w.WriteAttributeString (
					XmlConstants.MsdataPrefix,
					"Locale",
					XmlConstants.MsdataNamespace,
					dataSetLocale.Name);
			}

#if NET_2_0
			if(mainDataTable != null && mainDataTable != "")
				w.WriteAttributeString (
					XmlConstants.MsdataPrefix,
					"MainDataTable",
					XmlConstants.MsdataNamespace,
					mainDataTable);

			if (useCurrentLocale) {
				w.WriteAttributeString (
					XmlConstants.MsdataPrefix,
					"UseCurrentLocale",
					XmlConstants.MsdataNamespace,
					"true");
			}
#endif

			AddExtendedPropertyAttributes (dataSetProperties);

			w.WriteStartElement ("xs", "complexType", xmlnsxs);
			w.WriteStartElement ("xs", "choice", xmlnsxs);
			w.WriteAttributeString ("minOccurs", "0");
			w.WriteAttributeString ("maxOccurs", "unbounded");

			foreach (DataTable table in tables) {
				bool isTopLevel = true;
				foreach (DataRelation rel in table.ParentRelations) {
					if (rel.Nested) {
						isTopLevel = false;
						break;
					}
				}

				// If there is a relation but only one table, could be that
				// we have to add a ref attribute
				bool addref = false;
				if (!isTopLevel && tables.Length < 2) {
					isTopLevel = true;
					addref = true;
				}
				
				if (isTopLevel) {
					if (dataSetNamespace != table.Namespace ||
					    addref) {
						// <xs:element ref="X:y" />
						w.WriteStartElement ("xs",
							"element",
							xmlnsxs);
						w.WriteStartAttribute ("ref", String.Empty);
						w.WriteQualifiedName (XmlHelper.Encode (table.TableName), table.Namespace);
						w.WriteEndAttribute ();
						w.WriteEndElement ();
					}
					else
						WriteTableElement (table);
				}
			}

			w.WriteEndElement (); // choice
			w.WriteEndElement (); // complexType

			WriteConstraints (); // DataSet constraints

			w.WriteEndElement (); // element

			if (annotation.Count > 0) {
				w.WriteStartElement ("xs", "annotation", xmlnsxs);
				w.WriteStartElement ("xs", "appinfo", xmlnsxs);

				foreach (object o in annotation) {
					if (!(o is DataRelation))
						continue;
					WriteDataRelationAnnotation ((DataRelation)o);	
				}
				w.WriteEndElement ();
				w.WriteEndElement ();
			}
		}