public static Zamestnanec getById(int id)
{
Zamestnanec zam = null;
try
{
using (SqlConnection connection = new SqlConnection(conStr))
{
connection.Open();
string sql = "SELECT * FROM Zamestnanec WHERE idZam=@id;";
using (SqlCommand command = new SqlCommand(sql, connection))
{
command.Parameters.AddWithValue("@id", id);
using (SqlDataReader reader = command.ExecuteReader())
{
while (reader.Read())
{
zam = new Zamestnanec(reader.GetInt32(0), reader.GetString(1), reader.GetString(2), reader.GetString(3), reader.GetDateTime(4));
}
}
}
}
}
catch (SqlException ex)
{
Console.WriteLine(ex.ToString());
}
return(zam);
}
public static int delete(Zamestnanec Zamestnanec)
{
int ret = 0;
try
{
using (SqlConnection connection = new SqlConnection(conStr))
{
connection.Open();
string sql = "DELETE FROM Zamestnanec Where idZam = @idZam";
string sql2 = "UPDATE Strelba SET Zamestnanec_idZam=null WHERE Zamestnanec_idZam=@idZam";
using (SqlCommand command = new SqlCommand(sql2, connection))
{
command.Parameters.AddWithValue("@idZam", Zamestnanec.Id);
ret = command.ExecuteNonQuery();
}
using (SqlCommand command = new SqlCommand(sql, connection))
{
command.Parameters.AddWithValue("@idZam", Zamestnanec.Id);
ret = command.ExecuteNonQuery();
}
}
}
catch (SqlException ex)
{
Console.WriteLine(ex.ToString());
}
return(ret);
}
public Strelba()
{
Id = 0;
Zbran = new Zbran();
Zamestnanec = new Zamestnanec();
Zakaznik = new Zakaznik();
Prostor = new Prostor();
}
private static void PrepareCommand(SqlCommand command, Zamestnanec Zamestnanec)
{
command.Parameters.AddWithValue("@idZam", Zamestnanec.Id);
command.Parameters.AddWithValue("@Jmeno", Zamestnanec.Jmeno);
command.Parameters.AddWithValue("@Prijmeni", Zamestnanec.Prijmeni);
command.Parameters.AddWithValue("@email", Zamestnanec.Email);
command.Parameters.AddWithValue("@Datum_narozeni", Zamestnanec.Datum_narozeni);
}
public Strelba(int id, DateTime zacatek, DateTime konec, Zbran zbran, Zakaznik zakaznik, Prostor prostor, Zamestnanec zamestnanec)
{
Id = id;
Prostor = prostor;
Zakaznik = zakaznik;
Zamestnanec = zamestnanec;
Zbran = zbran;
Zacatek = zacatek;
Konec = konec;
}
public static void sXML()
{
XmlSerializer xSer = new XmlSerializer(typeof(Collection <Zamestnanec>));
Collection <Zamestnanec> zamestnanci = Zamestnanec.SelectAll();
using (var stream = File.OpenWrite("Zamestnanci.xml"))
{
xSer.Serialize(stream, zamestnanci);
}
}
public static int update(Zamestnanec Zamestnanec)
{
int ret = 0;
try
{
using (SqlConnection connection = new SqlConnection(conStr))
{
connection.Open();
string sql = "UPDATE Zamestnanec SET Jmeno=@Jmeno, Prijmeni=@Prijmeni, email=@email, Datum_narozeni=@Datum_narozeni WHERE idZam=@idZam";
using (SqlCommand command = new SqlCommand(sql, connection))
{
PrepareCommand(command, Zamestnanec);
ret = command.ExecuteNonQuery();
}
}
}
catch (SqlException ex)
{
Console.WriteLine(ex.ToString());
}
return(ret);
}
public static int insert(Zamestnanec Zamestnanec)
{
int ret = 0;
try
{
using (SqlConnection connection = new SqlConnection(conStr))
{
connection.Open();
string sql = "INSERT INTO Zamestnanec (Jmeno, Prijmeni, email, Datum_narozeni) VALUES (@Jmeno, @Prijmeni, @email, @Datum_narozeni)";
using (SqlCommand command = new SqlCommand(sql, connection))
{
PrepareCommand(command, Zamestnanec);
ret = command.ExecuteNonQuery();
}
}
}
catch (SqlException ex)
{
Console.WriteLine(ex.ToString());
}
return(ret);
}
public static Collection <Strelba> SelectAll()
{
Collection <Strelba> Strelba = new Collection <Strelba>();
try
{
using (SqlConnection connection = new SqlConnection(conStr))
{
connection.Open();
string sql = "SELECT * FROM Strelba;";
using (SqlCommand command = new SqlCommand(sql, connection))
{
using (SqlDataReader reader = command.ExecuteReader())
{
while (reader.Read())
{
Strelba.Add(new Strelba(reader.GetInt32(0), reader.GetDateTime(1), reader.GetDateTime(2), reader.IsDBNull(3) ? new Zbran() : Zbran.getById(reader.GetInt32(3)),
reader.IsDBNull(4) ? new Zakaznik() : Zakaznik.getById(reader.GetInt32(4)), reader.IsDBNull(5) ? new Prostor() : Prostor.getById(reader.GetInt32(5)),
reader.IsDBNull(6) ? new Zamestnanec() : Zamestnanec.getById(reader.GetInt32(5))));
}
}
}
}
}
catch (SqlException ex)
{
Console.WriteLine(ex.ToString());
}
return(Strelba);
}
public static Strelba getById(int id)
{
Strelba str = null;
try
{
using (SqlConnection connection = new SqlConnection(conStr))
{
connection.Open();
string sql = "SELECT * FROM Strelba WHERE idStr=@id;";
using (SqlCommand command = new SqlCommand(sql, connection))
{
command.Parameters.AddWithValue("@id", id);
using (SqlDataReader reader = command.ExecuteReader())
{
while (reader.Read())
{
str = new Strelba(reader.GetInt32(0), reader.GetDateTime(1), reader.GetDateTime(2), reader.IsDBNull(3) ? new Zbran() : Zbran.getById(reader.GetInt32(3)),
reader.IsDBNull(4) ? new Zakaznik() : Zakaznik.getById(reader.GetInt32(4)), reader.IsDBNull(5) ? new Prostor() : Prostor.getById(reader.GetInt32(5)),
reader.IsDBNull(6) ? new Zamestnanec() : Zamestnanec.getById(reader.GetInt32(5)));
}
}
}
}
}
catch (SqlException ex)
{
Console.WriteLine(ex.ToString());
}
return(str);
}
