static void Main(string[] args)
{
var db = new GeographyEntities();
var countries = db.Countries
.OrderBy(c => c.CountryName)
.Select(c => new
{
coutryName = c.CountryName,
monasteries = c.Monasteries.OrderBy(m => m.Name).Select(m => m.Name)
}).ToList();
XElement root = new XElement("monasteries");
foreach (var country in countries)
{
if (country.monasteries.Count() != 0)
{
var xmlCountry = new XElement("country");
xmlCountry.Add(new XAttribute("name", country.coutryName));
foreach (var xmlMonasteries in country.monasteries)
{
xmlCountry.Add(new XElement("monastery", xmlMonasteries));
}
root.Add(xmlCountry);
}
}
var xmlDoc = new XDocument(root);
xmlDoc.Save("../../monasteries.xml");
}
static void Main()
{
var db = new GeographyEntities();
var continentNames = db.Continents.Select(c => c.ContinentName).ToList();
foreach (var continentName in continentNames)
{
Console.WriteLine(continentName);
}
}
static void Main()
{
var db = new GeographyEntities();
var rivers = db.Rivers
.OrderByDescending(r => r.Length)
.Select(r => new
{
riverName = r.RiverName,
riverlength = r.Length,
countries = r.Countries.OrderBy(c => c.CountryName).Select(c => c.CountryName)
}).ToList();
var json = new JavaScriptSerializer().Serialize(rivers);
File.WriteAllText("../../rivers.json", json);
}
static void Main()
{
var db = new GeographyEntities();
var xmlDoc = XDocument.Load("../../rivers.xml");
var elements = xmlDoc.XPathSelectElements("rivers/river");
foreach (var element in elements)
{
string riverName = element.Element("name").Value;
int length = Convert.ToInt32(element.Element("length").Value);
string outflow = element.Element("outflow").Value;
int? drainAgeArea = null;
if (element.Element("drainage-area") != null)
{
drainAgeArea = Convert.ToInt32(element.Element("drainage-area").Value);
}
int? averageDischarge = null;
if (element.Element("average-discharge") != null)
{
drainAgeArea = Convert.ToInt32(element.Element("average-discharge").Value);
}
Console.WriteLine("{0} - {1} - {2} - {3} - {4}", riverName, length, outflow, drainAgeArea, averageDischarge);
var river = new River()
{
RiverName = riverName,
Length = length,
Outflow = outflow,
AverageDischarge = averageDischarge,
DrainageArea = drainAgeArea
};
db.Rivers.Add(river);
var countryNodes = element.XPathSelectElements("countries/country");
var countryRiverNames = countryNodes.Select(c => c.Value);
foreach (var countryName in countryRiverNames)
{
var country = db.Countries.FirstOrDefault(c => c.CountryName == countryName);
river.Countries.Add(country);
}
db.SaveChanges();
}
}