class ValidateXML{public string ErrString = string.Empty;public void ValidationEventCallBack(Object sender, ValidationEventArgs e){if (e.Severity == XmlSeverityType.Warning)//区分是警告还是错误
            {//Console.WriteLine("验证成功!警告：" + e.Message);ErrString += "验证成功!警告：" + e.Message;}else{// Console.WriteLine("验证失败");ErrString += "Err:" + e.Message;}}public void CheckXmlValidate(string strRequestXML){//string ErrString = string.Empty;StringReader sRead = null;XmlReader xmlRead = null;XmlSchemaSet schemaSet;try{schemaSet = new XmlSchemaSet();sRead = new StringReader(strRequestXML);schemaSet.Add(null, @"MySchema.xsd");XmlReaderSettings settings = new XmlReaderSettings();settings.ValidationEventHandler += new ValidationEventHandler(this.ValidationEventCallBack);settings.ValidationType = ValidationType.Schema;settings.Schemas = schemaSet;xmlRead = XmlReader.Create(sRead, settings);while (xmlRead.Read()){}if (ErrString.ToString() == String.Empty){Console.WriteLine("验证成功!");}else{Console.WriteLine("验证失败！原因可能是：" + ErrString);}}catch (XmlException exec){Console.WriteLine(exec.Message);}finally{if (xmlRead != null){xmlRead.Close();}}}}public static void Main(string[] args){
ValidateXML vx = new ValidateXML();//StreamReader sr = new StreamReader(new FileStream(@"test.xml", FileMode.Open));vx.CheckXmlValidate(File.ReadAllText(@"test.xml"));PressQtoQuit();}public static void PressQtoQuit(){Console.WriteLine("Hit Q to exit");ConsoleKey key;do{key = Console.ReadKey().Key;} while (key != ConsoleKey.Q);}