根据xsd生成xml文档

根据xsd生成xml文档(10)        {
           switch (e.Severity)
           {
               case XmlSeverityType.Error:
                   throw e.Exception;

               case XmlSeverityType.Warning:
                   throw e.Exception;

           }

       }
  /**//// <summary>
  /// 校验dom对象
  /// </summary>
  /// <param name="doc"></param>
  /// <returns></returns>
       public static string CheckDataXml(XmlDocument doc)
       {
           XmlSchemaSet xsd = new XmlSchemaSet();
           xsd.Add("", GetSchemaPath);
           doc.Schemas = xsd;
           try
           {
               doc.Validate(new ValidationEventHandler(XmlValidation));
           }
           catch (Exception ex)
           {
               return ex.Message;