51 lines
1.8 KiB
C#
51 lines
1.8 KiB
C#
using System;
|
|
using System.Collections.Generic;
|
|
using MySql.Data;
|
|
using MySql.Data.MySqlClient;
|
|
|
|
namespace it_projekt
|
|
{
|
|
class Database
|
|
{
|
|
private static Database _database;
|
|
public List<Person> Persons { get; set; }
|
|
private Database(String username, String password)
|
|
{
|
|
string connectionString = "server=localhost;port=3306;database=stammdaten;User Id=" + username + ";Password=" + password + ";";
|
|
MySqlConnection connection = new MySqlConnection(connectionString);
|
|
try
|
|
{
|
|
connection.Open();
|
|
|
|
string sql = "SELECT stammdaten.id, stammdaten.firstname, stammdaten.lastname, stammdaten.creationdate, abteilung.kuerzel, abteilung.name FROM `stammdaten` JOIN abteilung GROUP BY stammdaten.id; ";
|
|
MySqlCommand cmd = new MySqlCommand(sql, connection);
|
|
MySqlDataReader rdr = cmd.ExecuteReader();
|
|
Persons = new List<Person>();
|
|
while (rdr.Read())
|
|
{
|
|
Person p = new Person(rdr[0].ToString(), rdr[1].ToString(), rdr[2].ToString(), DateTime.Parse(rdr[3].ToString()), rdr[4].ToString(), rdr[5].ToString());
|
|
Persons.Add(p);
|
|
|
|
}
|
|
rdr.Close();
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
Console.WriteLine(ex.ToString());
|
|
}
|
|
|
|
connection.Close();
|
|
Console.WriteLine("Done.");
|
|
}
|
|
|
|
public static Database getDatabase(string username, string password)
|
|
{
|
|
if (_database == null)
|
|
{
|
|
_database = new Database(username, password);
|
|
}
|
|
return _database;
|
|
}
|
|
}
|
|
}
|