private static void Main() { var context = new GeographyEntities(); var monasteries = context.Countries.Where(c => c.Monasteries.Any()).OrderBy(c => c.CountryName).Select(c => new { c.CountryName, Monasteries = context.Monasteries.Where(m => m.CountryCode == c.CountryCode) .OrderBy(m => m.Name) .Select(m => m.Name) }).ToList(); XElement XMonasteries = new XElement("monasteries"); foreach (var country in monasteries) { XElement XCountry = new XElement("country", new XAttribute("name", country.CountryName)); foreach (var monastery in country.Monasteries) { XCountry.Add(new XElement("monastery", monastery)); } XMonasteries.Add(XCountry); } XMonasteries.Save("../../monasteries.xml"); }
static void Main() { var context = new GeographyEntities(); var continents = context.Continents.Select(c => c.ContinentName); foreach (var continent in continents) { Console.WriteLine(continent); } }
static void Main() { var context = new GeographyEntities(); var rivers = context.Rivers.OrderByDescending(r=>r.Length).Select(r => new { r.RiverName, r.Length, Countries = r.Countries.OrderBy(c => c.CountryName).Select(c => c.CountryName) }); var jsSerializer = new JavaScriptSerializer(); var json = jsSerializer.Serialize(rivers.ToList()); System.IO.File.WriteAllText("../../rivers.json", json); //Console.WriteLine(json); }
private static void Main() { var context = new GeographyEntities(); var doc = XDocument.Load(@"..\\..\\rivers.xml"); var riverNodes = doc.XPathSelectElements("/rivers/river"); foreach (var riverNode in riverNodes) { string riverName = riverNode.Element("name").Value; int riverLength = int.Parse(riverNode.Element("length").Value); string riverOutflow = riverNode.Element("outflow").Value; var river = new River() { RiverName = riverName, Length = riverLength, Outflow = riverOutflow }; try { int riverDrainageArea = int.Parse(riverNode.Element("drainage-area").Value); int riverAverageDischarge = int.Parse(riverNode.Element("average-discharge").Value); river.AverageDischarge = riverAverageDischarge; river.DrainageArea = riverDrainageArea; } catch (NullReferenceException nullRefEx) { } var countryNodes = riverNode.XPathSelectElements("countries/country"); var countryNames = countryNodes.Select(c => c.Value); foreach (var countryName in countryNames) { var country = context.Countries.FirstOrDefault(c => c.CountryName == countryName); river.Countries.Add(country); } context.Rivers.Add(river); context.SaveChanges(); } }