string prazniProstori(String s)
{
char[] k = new char[s.Length];
k = s.ToArray();
string novaRec = null;
int m = 0;
for (int i = k.Length - 1; i >= 0; i--)
{
if (m != 0)
{
break;
}
if (k[i].ToString().Equals(" "))
{
continue;
}
else
{
for (int j = 0; j <= i; j++)
{
novaRec += k[j];
}
m = 1;
}
}
return(novaRec);
}
private void Form3_Load(object sender, EventArgs e)
{
Konekcija k = new Konekcija();
SqlConnection sql = new SqlConnection(k.konekcija());
SqlCommand cmd = new SqlCommand("select Naziv, Slika,Id from Hotel", sql);
SqlDataReader read;
try {
sql.Open();
read = cmd.ExecuteReader();
while (read.Read())
{
slike.Add((byte[])read[1]);
naziv.Add(read[0].ToString());
id.Add(int.Parse(read[2].ToString()));
}
if (naziv.Count != 0)
{
label4.Text = naziv[0];
ms = new MemoryStream(slike[0]);
pictureBox3.Image = Image.FromStream(ms);
}
sql.Close();
sql.Dispose();
}
catch (Exception er) {
MessageBox.Show(er.ToString());
sql.Close();
sql.Dispose();
}
}
private void btnRegSave_Click(object sender, EventArgs e)
{
if (!pr_korisnickoIme() | !pr_Lozinka() | !pr_Email() | !pr_StaNajviseVolite())
{
return;
}
else
{
Konekcija konekcija = new Konekcija();
SqlConnection connection = new SqlConnection(konekcija.konekcija());
SqlCommand sql = new SqlCommand("select count(*) as cnt from Korisnici where KorisnickoIme='" + txtUserReg.Text + "'", connection);
connection.Open();
try
{
if (sql.ExecuteScalar().ToString() == "1")
{
MessageBox.Show("Izaberite drugo Korisnicko ime!");
connection.Close();
connection.Dispose();
}
else
{
SqlCommand upis = new SqlCommand("insert into Korisnici(KorisnickoIme,Lozinka,Email,Pitanje) values('" + txtUserReg.Text + "', '" + txtPassReg.Text + "','" + txtEmailReg.Text + "','" + txtPitanjeReg.Text + "')", connection);
upis.ExecuteNonQuery();
DateTime sada = DateTime.Now;
string vreme = sada.ToString("dd-MMM-yyyy");
Random r = new Random();
SqlCommand upiss = new SqlCommand("insert into Trial(Kljuc,username,datumReg) values('" + r.Next().ToString() + "', '" + txtUserReg.Text + "','" + vreme + "')", connection);
upiss.ExecuteNonQuery();
connection.Close();
connection.Dispose();
MessageBox.Show("Uspesno ste kreirali nalog");
Login l = new Login();
l.Show();
Hide();
}
}
catch (Exception er)
{
MessageBox.Show(er.ToString());
connection.Close();
connection.Dispose();
}
}
}
private void uLokacija_KeyPress(object sender, KeyPressEventArgs e)
{
if (e.KeyChar == (char)Keys.Enter)
{
Konekcija k = new Konekcija();
SqlConnection sql = new SqlConnection(k.konekcija());
SqlCommand cmd = new SqlCommand("select Naziv, Slika,Id from Hotel where Lokacija='" + uLokacija.Text + "'", sql);
SqlDataReader read;
try
{
slike.Clear();
naziv.Clear();
id.Clear();
i = 0;
sql.Open();
read = cmd.ExecuteReader();
while (read.Read())
{
slike.Add((byte[])read[1]);
naziv.Add(read[0].ToString());
id.Add(int.Parse(read[2].ToString()));
}
if (naziv.Count > 0)
{
label4.Text = naziv[0];
ms = new MemoryStream(slike[0]);
pictureBox3.Image = Image.FromStream(ms);
}
else
{
label4.Text = "";
pictureBox3.Image = null;
MessageBox.Show("Nemamo hotele ovog grada");
}
sql.Close();
sql.Dispose();
}
catch (Exception er)
{
MessageBox.Show(er.ToString());
sql.Close();
sql.Dispose();
}
}
}
private void btnSacuvaj_Click(object sender, EventArgs e)
{
if (unosNaziv.Equals("") || unosBRSoba.Equals("") || unosLokacija.Equals("") || slika1.Image == null)
{
MessageBox.Show("Morate popuniti sva polja!");
return;
}
MemoryStream ms = new MemoryStream();
slika1.Image.Save(ms, slika1.Image.RawFormat);
byte[] duzinaSlike = ms.GetBuffer();
ms.Close();
Konekcija k = new Konekcija();
SqlConnection sql = new SqlConnection(k.konekcija());
SqlCommand cmd = new SqlCommand("insert into Hotel(Naziv,Lokacija,BrojSoba,KorisnikID,Slika) values('" + unosNaziv.Text + "','" + unosLokacija.Text + "'," + unosBRSoba.Text + ",'" + id + "',@slika)", sql);
try
{
sql.Open();
cmd.Parameters.AddWithValue("@slika", duzinaSlike);
cmd.ExecuteNonQuery();
sql.Close();
SqlCommand idHotela = new SqlCommand("select MAX(Id) from Hotel", sql);
SqlDataReader read;
try
{
sql.Open();
read = idHotela.ExecuteReader();
int poslednjiID = 0;
if (read.Read())
{
poslednjiID = int.Parse(read[0].ToString());
}
sql.Close();
for (int i = 1; i <= int.Parse(unosBRSoba.Text); i++)
{
SqlCommand upisSobe = new SqlCommand("insert into Sobe(BrojSobe,HotelID) values(" + i + "," + poslednjiID + ")", sql);
try
{
sql.Open();
upisSobe.ExecuteNonQuery();
sql.Close();
if (i == int.Parse(unosBRSoba.Text))
{
MessageBox.Show("Uspesan unos!");
unosNaziv.Text = "";
unosLokacija.Text = "";
unosBRSoba.Text = "";
slika1.Image = null;
sql.Close();
sql.Dispose();
}
}
catch (Exception er) {
MessageBox.Show(er.Message);
sql.Close();
sql.Dispose();
}
}
}
catch (Exception er) {
MessageBox.Show(er.Message);
sql.Close();
sql.Dispose();
}
}
catch (Exception er)
{
MessageBox.Show(er.Message);
sql.Close();
sql.Dispose();
}
}
