///
/// przycisk połączenia
///
private void connButton_Click(object sender, EventArgs e)
{
string connetionString, sql = "";
login = loginTextBox1.Text;
password = loginTextBox2.Text;
SqlConnection DBconnect;
connetionString = @"Data Source=mssql-2017.labs.wmi.amu.edu.pl;Initial Catalog=s434903_inzopr2019z;User ID=s444513;Password=Gxrbqfvw7L";
DBconnect = new SqlConnection(connetionString);
DBconnect.Open();
sql = "SELECT * FROM Studenci WHERE Imie LIKE '" + login + "' AND Nazwisko LIKE '" + password + "';";
SqlCommand command = new SqlCommand(sql, DBconnect);
SqlDataReader reader = command.ExecuteReader();
if (reader.HasRows)
{
reader.Read();
string semester;
semester = reader.GetValue(3).ToString();
if (semester.CompareTo("0") != 0)
{
StudentWin next = new StudentWin(login, password, semester);
next.Show();
this.Hide();
}
else
{
AdmWin next = new AdmWin(login, password);
next.Show();
this.Hide();
}
}
else
{
MessageBox.Show("Nie znaleźono rekordu.");
}
reader.Close();
DBconnect.Close();
}
///
/// metoda odpowiedzialna za akcje przycisków w tabeli
///
private void tabela1_CellContentClick(object sender, DataGridViewCellEventArgs e)
{
string connetionString, sql = "";
SqlConnection DBconnect;
connetionString = @"Data Source=mssql-2017.labs.wmi.amu.edu.pl;Initial Catalog=s434903_inzopr2019z;User ID=s444513;Password=Gxrbqfvw7L";
var senderGrid = (DataGridView)sender;
if (senderGrid.Columns[e.ColumnIndex] is DataGridViewButtonColumn && e.ColumnIndex == 4)
{
var wartośćKonkretnejKomórki = senderGrid.Rows[e.RowIndex].Cells[0].Value;
String[] name = wartośćKonkretnejKomórki.ToString().Split(' ');
DBconnect = new SqlConnection(connetionString);
DBconnect.Open();
sql = "select Id from Studenci where Imie ='" + name[0] + "' and Nazwisko ='" + name[1] + "'";
SqlCommand command6 = new SqlCommand(sql, DBconnect);
SqlDataReader reader6 = command6.ExecuteReader();
if (reader6.HasRows)
{
reader6.Read();
string id;
id = reader6.GetValue(0).ToString();
PreviewShedule shedule = new PreviewShedule(id, name[0], name[1]);
shedule.Show();
}
reader6.Close();
DBconnect.Close();
}
if (senderGrid.Columns[e.ColumnIndex] is DataGridViewButtonColumn && e.ColumnIndex == 2)
{
var wartośćKonkretnejKomórki = senderGrid.Rows[e.RowIndex].Cells[0].Value;
String[] name = wartośćKonkretnejKomórki.ToString().Split(' ');
DBconnect = new SqlConnection(connetionString);
DBconnect.Open();
sql = "select Id from Studenci where Imie ='" + name[0] + "' and Nazwisko ='" + name[1] + "'";
SqlCommand command3 = new SqlCommand(sql, DBconnect);
SqlDataReader reader3 = command3.ExecuteReader();
if (reader3.HasRows)
{
reader3.Read();
string id;
id = reader3.GetValue(0).ToString();
DBconnect = new SqlConnection(connetionString);
DBconnect.Open();
sql = "update Plan_Zajec set status = 'zatwierdzony' where Studenci_Id =" + id;
SqlCommand command4 = new SqlCommand(sql, DBconnect);
SqlDataReader reader4 = command4.ExecuteReader();
DBconnect = new SqlConnection(connetionString);
DBconnect.Open();
sql = "select Zajecia_Id from Plan_Zajec where Studenci_Id=" + id;;
SqlCommand command5 = new SqlCommand(sql, DBconnect);
SqlDataReader reader5 = command5.ExecuteReader();
if (reader5.HasRows)
{
for (int i = 0; i <= 3; i++)
{
reader5.Read();
string zajecia_id;
zajecia_id = reader5.GetValue(0).ToString();
DBconnect = new SqlConnection(connetionString);
DBconnect.Open();
sql = "select Ilosc_Miejsc from Zajecia where Id=" + zajecia_id;
SqlCommand command6 = new SqlCommand(sql, DBconnect);
SqlDataReader reader6 = command6.ExecuteReader();
if (reader6.HasRows)
{
int ilo_miejsc;
string ilosc_miejsc;
reader6.Read();
ilosc_miejsc = reader6.GetValue(0).ToString();
ilo_miejsc = Convert.ToInt32(ilosc_miejsc);
DBconnect = new SqlConnection(connetionString);
DBconnect.Open();
sql = "update Zajecia set Ilosc_Miejsc =" + (ilo_miejsc - 1) + " where Id=" + zajecia_id;
SqlCommand command7 = new SqlCommand(sql, DBconnect);
SqlDataReader reader7 = command7.ExecuteReader();
reader7.Close();
DBconnect.Close();
}
reader6.Close();
DBconnect.Close();
}
}
reader4.Close();
DBconnect.Close();
reader5.Close();
DBconnect.Close();
MessageBox.Show("Zaakceptowano pomyślnie");
AdmWin next = new AdmWin("Admin", "Admin");
next.Show();
this.Hide();
}
reader3.Close();
DBconnect.Close();
}
if (senderGrid.Columns[e.ColumnIndex] is DataGridViewButtonColumn && e.ColumnIndex == 3)
{
var wartośćKonkretnejKomórki = senderGrid.Rows[e.RowIndex].Cells[0].Value;
String[] name = wartośćKonkretnejKomórki.ToString().Split(' ');
DBconnect = new SqlConnection(connetionString);
DBconnect.Open();
sql = "select Id from Studenci where Imie ='" + name[0] + "' and Nazwisko ='" + name[1] + "'";
SqlCommand command5 = new SqlCommand(sql, DBconnect);
SqlDataReader reader5 = command5.ExecuteReader();
if (reader5.HasRows)
{
reader5.Read();
string id;
id = reader5.GetValue(0).ToString();
DBconnect = new SqlConnection(connetionString);
DBconnect.Open();
sql = "delete Plan_Zajec where Studenci_Id =" + id;
SqlCommand command6 = new SqlCommand(sql, DBconnect);
SqlDataReader reader6 = command6.ExecuteReader();
MessageBox.Show("Odrzucono pomyślnie");
AdmWin next = new AdmWin("Admin", "Admin");
next.Show();
this.Hide();
reader6.Close();
DBconnect.Close();
}
reader5.Close();
DBconnect.Close();
}
}
