public override bool Equals(object obj)
{
if (obj == null)
{
return(false);
}
CapitalCity c = obj as CapitalCity;
if (c == null)
{
return(false);
}
return(this.Id == c.Id);
}
public object GetCountyAndItsCapitalCityDDetails(int countryId)
{
using (SQLiteConnection con = new SQLiteConnection("Data Source = C:\\Users\\User\\Desktop\\SQLite\\30.db; Version = 3;"))
{
con.Open();
using (SQLiteCommand cmd = new SQLiteCommand($"SELECT *, Country.name as nameOfCountry, CapitalCity.name as nameOfCapitalCity FROM Country JOIN CapitalCity ON Country.CapitalCity_id ==CapitalCity.id WHERE Country.id = {countryId}", con))
{
using (SQLiteDataReader reader = cmd.ExecuteReader())
{
while (reader.Read())
{
Country c = new Country
{
Id = (int)reader["id"],
Name = (string)reader["nameOfCountry"],
SizeKm = (int)reader["size_km"],
BithYear = (int)reader["bith_year"],
CapitalCityId = (int)reader["CapitalCity_id"],
};
CapitalCity cc = new CapitalCity
{
Id = (int)reader["id"],
Name = (string)reader["nameOfCapitalCity"],
NumCitizens = (int)reader["NumCitizens"],
CountryId = (int)reader["Country_id"],
};
var result = new
{
Country = c.Name,
IdOfCapitalCity = cc.Id,
CapitalCity = cc.Name,
NumCitizens = cc.NumCitizens,
IdOfCountry = cc.CountryId
};
con.Close();
return(result);
}
}
}
}
return(null);
}