public Subjekti ReadSubjekti(int _id)
{
Subjekti subjekti = new Subjekti();
this.Connect();
using (MySqlCommand command = new MySqlCommand())
{
command.Connection = connection;
command.CommandText = "SELECT id_subjekt, naziv " +
"FROM subjekti " +
"WHERE id_subjekt = @id ";
command.CommandType = CommandType.Text;
command.Parameters.AddWithValue("@id", _id);
//command.Parameters.AddWithValue("@id_pedagog", PlaniranjeSession.Trenutni.PedagogId);
connection.Open();
using (MySqlDataReader sdr = command.ExecuteReader())
{
if (sdr.HasRows)
{
while (sdr.Read())
{
subjekti = new Subjekti()
{
ID_subjekt = Convert.ToInt32(sdr["id_subjekt"]),
Naziv = sdr["naziv"].ToString()
};
}
}
}
connection.Close();
}
return(subjekti);
}
public bool UpdateSubjekti(Subjekti subjekti)
{
try
{
this.Connect();
using (MySqlCommand command = new MySqlCommand())
{
command.Connection = connection;
command.CommandText = "UPDATE subjekti " +
"SET " +
"naziv = @naziv " +
"WHERE id_subjekt = @id_subjekt";
command.CommandType = CommandType.Text;
command.Parameters.AddWithValue("@id_subjekt", subjekti.ID_subjekt);
command.Parameters.AddWithValue("@naziv", subjekti.Naziv);
connection.Open();
command.ExecuteNonQuery();
}
}
catch
{
connection.Close();
return(false);
}
finally
{
connection.Close();
}
return(true);
}
public List <Subjekti> ReadSubjekti(string search_string)
{
List <Subjekti> subjekti = new List <Subjekti>();
this.Connect();
using (MySqlCommand command = new MySqlCommand())
{
command.Connection = connection;
command.CommandText = "SELECT id_subjekt, naziv " +
"FROM subjekti " +
"WHERE naziv like '%" + search_string + "%' " +
"ORDER BY id_subjekt ASC";
command.Parameters.AddWithValue("@id_pedagog", PlaniranjeSession.Trenutni.PedagogId);
connection.Open();
using (MySqlDataReader sdr = command.ExecuteReader())
{
if (sdr.HasRows)
{
while (sdr.Read())
{
Subjekti subj = new Subjekti()
{
ID_subjekt = Convert.ToInt32(sdr["id_subjekt"]),
Naziv = sdr["naziv"].ToString()
};
subjekti.Add(subj);
}
}
}
connection.Close();
}
return(subjekti);
}
public bool CreateSubjekti(Subjekti subjekt)
{
try
{
this.Connect();
using (MySqlCommand command = new MySqlCommand())
{
command.Connection = connection;
command.CommandText = "INSERT INTO subjekti " +
"(naziv) " +
" VALUES (@naziv)";
command.CommandType = CommandType.Text;
command.Parameters.AddWithValue("@naziv", subjekt.Naziv);
connection.Open();
command.ExecuteNonQuery();
}
}
catch
{
connection.Close();
return(false);
}
finally
{
connection.Close();
}
return(true);
}