public static ObservableCollection <Korisnik> PretragaKorisnika(string unos, TipPretrage tipPretrage) { var korisnici = new ObservableCollection <Korisnik>(); using (var conn = new SqlConnection(ConfigurationManager.ConnectionStrings["POP"].ConnectionString)) { SqlCommand cmd = conn.CreateCommand(); SqlDataAdapter da = new SqlDataAdapter(); switch (tipPretrage) { case TipPretrage.IME: cmd.CommandText = "SELECT * FROM Korisnik WHERE Ime LIKE @unos AND Obrisano = 0;"; break; case TipPretrage.PREZIME: cmd.CommandText = "SELECT * FROM Korisnik WHERE Prezime LIKE @unos AND Obrisano = 0;"; break; case TipPretrage.EMAIL: cmd.CommandText = "SELECT * FROM Korisnik WHERE Email LIKE @unos AND Obrisano = 0;"; break; case TipPretrage.USERNAME: cmd.CommandText = "SELECT * FROM Korisnik WHERE Username LIKE @unos AND Obrisano = 0;"; break; case TipPretrage.TIPKORISNIKA: cmd.CommandText = "SELECT * FROM Korisnik WHERE TipKorisnika LIKE @unos AND Obrisano = 0;"; break; case TipPretrage.USTANOVAID: cmd.CommandText = "SELECT * FROM Korisnik WHERE UstanovaId LIKE @unos AND Obrisano = 0;"; break; } cmd.Parameters.AddWithValue("unos", "%" + unos.Trim() + "%"); da.SelectCommand = cmd; DataSet ds = new DataSet(); da.Fill(ds, "Korisnik"); foreach (DataRow row in ds.Tables["Korisnik"].Rows) { var k = new Korisnik(); k.Id = int.Parse(row["Id"].ToString()); k.Ime = row["Ime"].ToString(); k.Prezime = row["Prezime"].ToString(); k.Email = row["Email"].ToString(); k.Username = row["Username"].ToString(); k.Password = row["Password"].ToString(); k.TipKorisnika = (ETipKorisnika)Enum.Parse(typeof(ETipKorisnika), (row["TipKorisnika"].ToString())); k.UstanovaId = int.Parse(row["UstanovaId"].ToString()); k.Obrisano = bool.Parse(row["Obrisano"].ToString()); korisnici.Add(k); } } return(korisnici); }
public static ObservableCollection <Termin> PretragaTermina(string unos, TipPretrage tipPretrage) { var termini = new ObservableCollection <Termin>(); using (var conn = new SqlConnection(ConfigurationManager.ConnectionStrings["POP"].ConnectionString)) { SqlCommand cmd = conn.CreateCommand(); SqlDataAdapter da = new SqlDataAdapter(); switch (tipPretrage) { case TipPretrage.TIPNASTAVE: cmd.CommandText = "SELECT * FROM Termin WHERE TipNastave LIKE @unos AND Obrisano = 0;"; break; case TipPretrage.VREMEZAUZECAOD: cmd.CommandText = "SELECT * FROM Termin WHERE VremeZauzecaOd LIKE @unos AND Obrisano = 0;"; break; case TipPretrage.VREMEZAUZECADO: cmd.CommandText = "SELECT * FROM Termin WHERE VremeZauzecaDo LIKE @unos AND Obrisano = 0;"; break; case TipPretrage.DAN: cmd.CommandText = "SELECT * FROM Termin WHERE Dan LIKE @unos AND Obrisano = 0;"; break; case TipPretrage.KORISNIKID: cmd.CommandText = "SELECT * FROM Termin WHERE KorisnikId LIKE @unos AND Obrisano = 0;"; break; } cmd.Parameters.AddWithValue("unos", "%" + unos.Trim() + "%"); da.SelectCommand = cmd; DataSet ds = new DataSet(); da.Fill(ds, "Termin"); foreach (DataRow row in ds.Tables["Termin"].Rows) { var t = new Termin(); t.Id = int.Parse(row["Id"].ToString()); t.TipNastave = (ETipNastave)Enum.Parse(typeof(ETipNastave), (row["TipNastave"].ToString())); t.VremeZauzecaOd = DateTime.Parse(row["VremeZauzecaOd"].ToString()); t.VremeZauzecaDo = DateTime.Parse(row["VremeZauzecaDo"].ToString()); t.Dan = row["Dan"].ToString(); t.KorisnikId = int.Parse(row["KorisnikId"].ToString()); t.Obrisano = bool.Parse(row["Obrisano"].ToString()); termini.Add(t); } } return(termini); }
public static ObservableCollection <Ucionica> PretragaUcionice(string unos, TipPretrage tipPretrage) { var ucionice = new ObservableCollection <Ucionica>(); using (var conn = new SqlConnection(ConfigurationManager.ConnectionStrings["POP"].ConnectionString)) { SqlCommand cmd = conn.CreateCommand(); SqlDataAdapter da = new SqlDataAdapter(); switch (tipPretrage) { case TipPretrage.BROJUCIONICE: cmd.CommandText = "SELECT * FROM Ucionica WHERE BrojUcionice LIKE @unos AND Obrisano = 0;"; break; case TipPretrage.BROJMESTA: cmd.CommandText = "SELECT * FROM Ucionica WHERE BrojMesta LIKE @unos AND Obrisano = 0;"; break; case TipPretrage.TIPUCIONICE: cmd.CommandText = "SELECT * FROM Ucionica WHERE TipUcionice LIKE @unos AND Obrisano = 0;"; break; case TipPretrage.USTANOVAID: cmd.CommandText = "SELECT * FROM Ucionica WHERE UstanovaId LIKE @unos AND Obrisano = 0;"; break; } cmd.Parameters.AddWithValue("unos", "%" + unos.Trim() + "%"); da.SelectCommand = cmd; DataSet ds = new DataSet(); da.Fill(ds, "Ucionica"); foreach (DataRow row in ds.Tables["Ucionica"].Rows) { var u = new Ucionica(); u.Id = int.Parse(row["Id"].ToString()); u.BrojUcionice = int.Parse(row["BrojUcionice"].ToString()); u.BrojMesta = int.Parse(row["BrojMesta"].ToString()); u.TipUcionice = (ETipUcionice)Enum.Parse(typeof(ETipUcionice), (row["TipUcionice"].ToString())); u.Obrisano = bool.Parse(row["Obrisano"].ToString()); u.UstanovaId = int.Parse(row["UstanovaId"].ToString()); ucionice.Add(u); } } return(ucionice); }
public static ObservableCollection <Namestaj> PretragaNamestaja(string unos, TipPretrage tipPretrage) { var namestaj = new ObservableCollection <Namestaj>(); using (var conn = new SqlConnection(ConfigurationManager.ConnectionStrings["POP"].ConnectionString)) { SqlCommand cmd = conn.CreateCommand(); SqlDataAdapter da = new SqlDataAdapter(); switch (tipPretrage) { case TipPretrage.NAZIV: cmd.CommandText = "SELECT * FROM Namestaj n INNER JOIN TipNamestaja tn ON n.TipNamestajaId = tn.Id WHERE n.Naziv LIKE @unos AND n.Obrisan = 0;"; break; case TipPretrage.SIFRA: cmd.CommandText = "SELECT * FROM Namestaj n INNER JOIN TipNamestaja tn ON n.TipNamestajaId = tn.Id WHERE n.Sifra LIKE @unos AND n.Obrisan = 0;"; break; case TipPretrage.TIPNAMESTAJA: cmd.CommandText = "SELECT * FROM Namestaj n INNER JOIN TipNamestaja tn ON n.TipNamestajaId = tn.Id WHERE tn.Naziv LIKE @unos AND n.Obrisan = 0;"; break; } cmd.Parameters.AddWithValue("unos", "%" + unos.Trim() + "%"); da.SelectCommand = cmd; DataSet ds = new DataSet(); da.Fill(ds, "Namestaj"); foreach (DataRow row in ds.Tables["Namestaj"].Rows) { var n = new Namestaj(); n.Id = int.Parse(row["Id"].ToString()); n.TipNamestajaId = int.Parse(row["TipNamestajaId"].ToString()); n.AkcijaId = int.Parse(row["AkcijskaProdajaId"].ToString()); n.Naziv = row["Naziv"].ToString(); n.Sifra = row["Sifra"].ToString(); n.JedinicnaCena = double.Parse(row["Cena"].ToString()); n.KolicinaUMagacinu = int.Parse(row["Kolicina"].ToString()); n.CenaNaAkciji = double.Parse(row["CenaNaAkciji"].ToString()); n.Obrisan = bool.Parse(row["Obrisan"].ToString()); namestaj.Add(n); } } return(namestaj); }
public static ObservableCollection <Ustanova> PretragaUstanove(string unos, TipPretrage tipPretrage) { var ustanove = new ObservableCollection <Ustanova>(); using (var conn = new SqlConnection(ConfigurationManager.ConnectionStrings["POP"].ConnectionString)) { SqlCommand cmd = conn.CreateCommand(); SqlDataAdapter da = new SqlDataAdapter(); switch (tipPretrage) { case TipPretrage.SIFRAUSTANOVE: cmd.CommandText = "SELECT * FROM Ustanova WHERE SifraUstanove LIKE @unos AND Obrisano = 0;"; break; case TipPretrage.NAZIV: cmd.CommandText = "SELECT * FROM Ustanova WHERE Naziv LIKE @unos AND Obrisano = 0;"; break; case TipPretrage.LOKACIJA: cmd.CommandText = "SELECT * FROM Ustanova WHERE Lokacija LIKE @unos AND Obrisano = 0;"; break; } cmd.Parameters.AddWithValue("unos", "%" + unos.Trim() + "%"); da.SelectCommand = cmd; DataSet ds = new DataSet(); da.Fill(ds, "Ustanova"); foreach (DataRow row in ds.Tables["Ustanova"].Rows) { var u = new Ustanova(); u.Id = int.Parse(row["Id"].ToString()); u.SifraUstanove = row["SifraUstanove"].ToString(); u.Naziv = row["Naziv"].ToString(); u.Lokacija = row["Lokacija"].ToString(); u.Obrisano = bool.Parse(row["Obrisano"].ToString()); ustanove.Add(u); } } return(ustanove); }
public static ObservableCollection <Akcija> FindSort(String parametarZaPretragu, TipPretrage tipPretrage, DateTime?dateTime, int sort) { try { var listaPretraga = new ObservableCollection <Akcija>(); using (SqlConnection conn = new SqlConnection(ConfigurationManager.ConnectionStrings["POP"].ConnectionString)) { conn.Open(); SqlCommand cmd = conn.CreateCommand(); switch (tipPretrage) { case TipPretrage.DatumPocetka: cmd.CommandText = @"SELECT * " + "FROM Akcija " + "WHERE Obrisan = 0 and DatumPocetka >= @dateTime "; cmd.CommandText += SortBy(sort); cmd.Parameters.Add(new SqlParameter("@dateTime", dateTime)); break; case TipPretrage.DatumZavrsetka: cmd.CommandText = @"SELECT * " + "FROM Akcija " + "WHERE Obrisan = 0 and DatumZavrsetka <= @dateTime "; cmd.CommandText += SortBy(sort); cmd.Parameters.Add(new SqlParameter("@dateTime", dateTime)); break; case TipPretrage.Naziv: cmd.CommandText = @"SELECT * " + "FROM Akcija " + "WHERE Obrisan = 0 and Naziv like @ParametarNaziv "; cmd.CommandText += SortBy(sort); cmd.Parameters.Add(new SqlParameter("@ParametarNaziv", "%" + parametarZaPretragu + "%")); break; case TipPretrage.Namestaji: cmd.CommandText = @"SELECT * " + "FROM Akcija a inner join NaAkciji na on a.IdA = na.AkcijaId inner join Namestaj n on n.IdN = na.NamestajId " + "WHERE a.Obrisan = 0 and na.Obrisan = 0 and n.Naziv like @ParametarNaziv "; cmd.CommandText += SortBy(sort); cmd.Parameters.Add(new SqlParameter("@ParametarNaziv", "%" + parametarZaPretragu + "%")); break; } SqlDataAdapter sqlDA = new SqlDataAdapter(); sqlDA.SelectCommand = cmd; DataSet dsA = new DataSet(); // izvrsavanje upita sqlDA.Fill(dsA, "Akcija"); foreach (DataRow row in dsA.Tables["Akcija"].Rows) { Akcija akcija = new Akcija(); akcija.Id = int.Parse(row["IdA"].ToString()); akcija.Naziv = row["Naziv"].ToString(); akcija.DatumPocetka = DateTime.Parse(row["DatumPocetka"].ToString()); akcija.DatumZavrsetka = DateTime.Parse(row["DatumZavrsetka"].ToString()); akcija.Obrisan = Boolean.Parse(row["Obrisan"].ToString()); listaPretraga.Add(akcija); } } return(listaPretraga); } catch (Exception) { MessageBox.Show("Doslo je do greske prilikom ucitavanje iz baze, Molimo Vas pokusajte ponovo", "Upozorenje", MessageBoxButton.OK, MessageBoxImage.Information); return(null); } }
public static ObservableCollection <ProdajaNamestaja> PretragaProdaje(string unos, TipPretrage tipPretrage, DateTime?poDatumu) { var prodaja = new ObservableCollection <ProdajaNamestaja>(); using (var conn = new SqlConnection(ConfigurationManager.ConnectionStrings["POP"].ConnectionString)) { SqlCommand cmd = conn.CreateCommand(); SqlDataAdapter da = new SqlDataAdapter(); switch (tipPretrage) { case TipPretrage.BROJRACUNA: cmd.CommandText = "SELECT * FROM ProdajaNamestaja WHERE BrojRacuna LIKE @unos;"; cmd.Parameters.AddWithValue("unos", "%" + unos.Trim() + "%"); break; case TipPretrage.KUPAC: cmd.CommandText = "SELECT * FROM ProdajaNamestaja WHERE Kupac LIKE @unos;"; cmd.Parameters.AddWithValue("unos", "%" + unos.Trim() + "%"); break; case TipPretrage.DATUM: cmd.CommandText = "SELECT * FROM ProdajaNamestaja WHERE DatumProdaje = @poDatumu;"; cmd.Parameters.AddWithValue("poDatumu", poDatumu); break; } da.SelectCommand = cmd; DataSet ds = new DataSet(); da.Fill(ds, "ProdajaNamestaja"); foreach (DataRow row in ds.Tables["ProdajaNamestaja"].Rows) { var pn = new ProdajaNamestaja(); pn.Id = int.Parse(row["Id"].ToString()); pn.DatumProdaje = DateTime.Parse(row["DatumProdaje"].ToString()); pn.Kupac = row["Kupac"].ToString(); pn.BrojRacuna = row["BrojRacuna"].ToString(); prodaja.Add(pn); } } return(prodaja); }
public static ObservableCollection <Korisnik> FindSort(String parametarZaPretragu, TipPretrage tipPretrage, int sort) { try { var listaPretraga = new ObservableCollection <Korisnik>(); using (SqlConnection conn = new SqlConnection(ConfigurationManager.ConnectionStrings["POP"].ConnectionString)) { conn.Open(); SqlCommand cmd = conn.CreateCommand(); switch (tipPretrage) { case TipPretrage.Ime: cmd.CommandText = @"SELECT * " + "FROM Korisnik " + "WHERE Obrisan = 0 and Ime like @Parametar "; cmd.CommandText += SortBy(sort); break; case TipPretrage.Prezime: cmd.CommandText = @"SELECT * " + "FROM Korisnik " + "WHERE Obrisan = 0 and Prezime like @Parametar "; cmd.CommandText += SortBy(sort); break; case TipPretrage.KorisnickoIme: cmd.CommandText = @"SELECT * " + "FROM Korisnik " + "WHERE Obrisan = 0 and KorisnickoIme like @Parametar "; cmd.CommandText += SortBy(sort); break; } cmd.Parameters.Add(new SqlParameter("@Parametar", "%" + parametarZaPretragu + "%")); SqlDataAdapter sqlDA = new SqlDataAdapter(); sqlDA.SelectCommand = cmd; DataSet ds = new DataSet(); sqlDA.Fill(ds, "korisnik"); foreach (DataRow row in ds.Tables["korisnik"].Rows) { Korisnik k = new Korisnik(); k.Id = int.Parse(row["IdK"].ToString()); k.Ime = row["Ime"].ToString(); k.Prezime = row["Prezime"].ToString(); k.KorisnickoIme = row["KorisnickoIme"].ToString(); k.Lozinka = row["Lozinka"].ToString(); k.TipKorisnika = Enums.GetValue(row["TipKorisnika"].ToString()); k.Id = int.Parse(row["IdK"].ToString()); k.Obrisan = Boolean.Parse(row["Obrisan"].ToString()); listaPretraga.Add(k); } } return(listaPretraga); } catch (Exception) { MessageBox.Show("Doslo je do greske prilikom ucitavanje iz baze, Molimo Vas pokusajte ponovo", "Upozorenje", MessageBoxButton.OK, MessageBoxImage.Information); return(null); } }
public static ObservableCollection <Namestaj> FindSort(String parametarZaPretragu, TipPretrage tipPretrage, int sort) { try { var listaPretraga = new ObservableCollection <Namestaj>(); using (SqlConnection conn = new SqlConnection(ConfigurationManager.ConnectionStrings["POP"].ConnectionString)) { conn.Open(); SqlCommand cmd = conn.CreateCommand(); switch (tipPretrage) { case TipPretrage.Naziv: cmd.CommandText = @"SELECT * " + "FROM Namestaj n inner join TipNamestaj tn on n.TipNamestajaId = tn.IdTN " + "WHERE n.Naziv like @Parametar and n.Obrisan =0 "; cmd.CommandText += SortBy(sort); break; case TipPretrage.Sifra: cmd.CommandText = @"SELECT * " + "FROM Namestaj n inner join TipNamestaj tn on n.TipNamestajaId = tn.IdTN " + "WHERE n.Sifra like @Parametar and n.Obrisan =0 "; cmd.CommandText += SortBy(sort); break; case TipPretrage.TipNamestaja: cmd.CommandText = @"SELECT * " + "FROM Namestaj n inner join TipNamestaj tn on n.TipNamestajaId = tn.IdTN " + "WHERE tn.Naziv like @Parametar and n.Obrisan = 0 "; cmd.CommandText += SortBy(sort); break; } cmd.Parameters.Add(new SqlParameter("@Parametar", "%" + parametarZaPretragu + "%")); SqlDataAdapter sqlDA = new SqlDataAdapter(); sqlDA.SelectCommand = cmd; DataSet ds = new DataSet(); // izvrsavanje upita sqlDA.Fill(ds, "Namestaj"); foreach (DataRow row in ds.Tables["Namestaj"].Rows) { Namestaj n = new Namestaj(); n.Id = int.Parse(row["IdN"].ToString()); n.Naziv = row["Naziv"].ToString(); n.Sifra = row["Sifra"].ToString(); n.JedinicnaCena = Double.Parse(row["Cena"].ToString()); n.KolicinaUMagacinu = int.Parse(row["Kolicina"].ToString()); n.TipNamestajaId = int.Parse(row["TipNamestajaId"].ToString()); n.Obrisan = Boolean.Parse(row["Obrisan"].ToString()); listaPretraga.Add(n); } } return(listaPretraga); } catch (Exception) { MessageBox.Show("Doslo je do greske prilikom ucitavanja iz baze, Molimo Vas pokusajte ponovo", "Upozorenje", MessageBoxButton.OK, MessageBoxImage.Information); return(null); } }
public static ObservableCollection <AkcijskaProdaja> PretragaAkcije(string unos, TipPretrage tipPretrage, DateTime?poDatumu) { var akcija = new ObservableCollection <AkcijskaProdaja>(); using (var conn = new SqlConnection(ConfigurationManager.ConnectionStrings["POP"].ConnectionString)) { SqlCommand cmd = conn.CreateCommand(); SqlDataAdapter da = new SqlDataAdapter(); switch (tipPretrage) { case TipPretrage.NAZIV: cmd.CommandText = "SELECT * FROM AkcijskaProdaja WHERE Naziv LIKE @unos AND Obrisan = 0;"; cmd.Parameters.AddWithValue("unos", "%" + unos.Trim() + "%"); break; case TipPretrage.DATUMP: cmd.CommandText = "SELECT * FROM AkcijskaProdaja WHERE Obrisan = 0 AND DatumPocetka = @poDatumu;"; cmd.Parameters.AddWithValue("poDatumu", poDatumu); break; case TipPretrage.DATUMZ: cmd.CommandText = "SELECT * FROM AkcijskaProdaja WHERE DatumZavrsetka = @poDatumu AND Obrisan = 0;"; cmd.Parameters.AddWithValue("poDatumu", poDatumu); break; case TipPretrage.NAMESTAJ: cmd.CommandText = "SELECT * FROM AkcijskaProdaja ap INNER JOIN NaAkciji na ON ap.Id = na.AkcijskaProdajaId INNER JOIN Namestaj n ON n.Id = na.NamestajId WHERE n.Naziv LIKE @unos;"; cmd.Parameters.AddWithValue("unos", "%" + unos.Trim() + "%"); break; } da.SelectCommand = cmd; DataSet ds = new DataSet(); da.Fill(ds, "AkcijskaProdaja"); foreach (DataRow row in ds.Tables["AkcijskaProdaja"].Rows) { var ap = new AkcijskaProdaja(); ap.Id = int.Parse(row["Id"].ToString()); ap.DatumPocetka = DateTime.Parse(row["DatumPocetka"].ToString()); ap.DatumZavrsetka = DateTime.Parse(row["DatumZavrsetka"].ToString()); ap.Popust = int.Parse(row["Popust"].ToString()); ap.Naziv = row["Naziv"].ToString(); ap.Obrisan = bool.Parse(row["Obrisan"].ToString()); akcija.Add(ap); } } return(akcija); }
public static ObservableCollection <Prodaja> FindSort(String parametarZaPretragu, TipPretrage tipPretrage, DateTime?date, int sort) { try { var listaPretraga = new ObservableCollection <Prodaja>(); using (SqlConnection conn = new SqlConnection(ConfigurationManager.ConnectionStrings["POP"].ConnectionString)) { conn.Open(); SqlCommand cmd = conn.CreateCommand(); switch (tipPretrage) { case TipPretrage.Kupac: cmd.CommandText = @"SELECT * " + "FROM Prodaja p " + "WHERE p.Kupac like @Parametar and p.Obrisan = 0 "; cmd.CommandText += SortBy(sort); break; case TipPretrage.Prodavac: cmd.CommandText = @"SELECT * " + "FROM Prodaja p inner join Korisnik k on p.ProdavacId = k.IdK " + "WHERE k.KorisnickoIme like @Parametar and p.Obrisan = 0 "; cmd.CommandText += SortBy(sort); break; case TipPretrage.BrRacuna: cmd.CommandText = @"SELECT * " + "FROM Prodaja p " + "WHERE p.BrRacuna like @Parametar and p.Obrisan = 0 "; cmd.CommandText += SortBy(sort); break; case TipPretrage.ProdatiNamestaj: cmd.CommandText = @"SELECT * " + "FROM Prodaja p INNER JOIN ProdajaNamestaj pn ON p.IdP = pn.ProdajaId INNER JOIN Namestaj n ON pn.NamestajId = n.IdN " + "WHERE n.Naziv like @Parametar and p.Obrisan = 0 and pn.Obrisan = 0 and n.Obrisan = 0 "; cmd.CommandText += SortBy(sort); break; case TipPretrage.DatumProdaje: cmd.CommandText = @"SELECT * " + "FROM Prodaja p " + "WHERE p.DatumProdaje like @DatumProdaje and p.Obrisan = 0 "; cmd.CommandText += SortBy(sort); break; } cmd.Parameters.Add(new SqlParameter("@DatumProdaje", date)); cmd.Parameters.Add(new SqlParameter("@Parametar", "%" + parametarZaPretragu + "%")); SqlDataAdapter sqlDA = new SqlDataAdapter(); sqlDA.SelectCommand = cmd; DataSet dsA = new DataSet(); // izvrsavanje upita sqlDA.Fill(dsA, "Prodaja"); foreach (DataRow row in dsA.Tables["Prodaja"].Rows) { Prodaja prodaja = new Prodaja(); prodaja.Id = int.Parse(row["IdP"].ToString()); prodaja.DatumProdaje = DateTime.Parse(row["DatumProdaje"].ToString()); prodaja.BrRacuna = row["BrojRacuna"].ToString(); prodaja.Kupac = row["Kupac"].ToString(); prodaja.ProdavacId = int.Parse(row["ProdavacId"].ToString()); prodaja.UkupanIznos = double.Parse(row["UkupanIznos"].ToString()); prodaja.Obrisan = Boolean.Parse(row["Obrisan"].ToString()); listaPretraga.Add(prodaja); } } return(listaPretraga); } catch (Exception) { MessageBox.Show("Doslo je do greske prilikom ucitavanja iz baze, Molimo Vas pokusajte ponovo", "Upozorenje", MessageBoxButton.OK, MessageBoxImage.Information); return(null); } }