public void CreateElement1() { XmlDataDocument doc = new XmlDataDocument(); doc.DataSet.ReadXmlSchema("Test/System.Xml/region.xsd"); doc.Load("Test/System.Xml/region.xml"); XmlElement Element = doc.CreateElement("prefix", "localname", "namespaceURI"); Assert.AreEqual("prefix", Element.Prefix, "test#01"); Assert.AreEqual("localname", Element.LocalName, "test#02"); Assert.AreEqual("namespaceURI", Element.NamespaceURI, "test#03"); doc.ImportNode(Element, false); TextWriter text = new StringWriter(); doc.Save(text); string substring = string.Empty; string TextString = text.ToString(); substring = TextString.Substring(0, TextString.IndexOf("\n")); TextString = TextString.Substring(TextString.IndexOf("\n") + 1); substring = TextString.Substring(0, TextString.IndexOf("\n")); TextString = TextString.Substring(TextString.IndexOf("\n") + 1); Assert.IsTrue(substring.IndexOf("<Root>") != -1, "test#05"); substring = TextString.Substring(0, TextString.IndexOf("\n")); TextString = TextString.Substring(TextString.IndexOf("\n") + 1); Assert.IsTrue(substring.IndexOf(" <Region>") != -1, "test#06"); substring = TextString.Substring(0, TextString.IndexOf("\n")); TextString = TextString.Substring(TextString.IndexOf("\n") + 1); Assert.IsTrue(substring.IndexOf(" <RegionID>1</RegionID>") != -1, "test#07"); for (int i = 0; i < 26; i++) { substring = TextString.Substring(0, TextString.IndexOf("\n")); TextString = TextString.Substring(TextString.IndexOf("\n") + 1); } substring = TextString.Substring(0, TextString.Length); Assert.IsTrue(substring.IndexOf("</Root>") != -1, "test#08"); }