private void silToolStripMenuItem2_Click(object sender, EventArgs e)
        {
            SatisSilme satissilme = new SatisSilme();

            AltacilanFormlar(satissilme);
        }
        private void treeView1_DoubleClick(object sender, EventArgs e)
        {
            switch (secilen)
            {
            case "Mus":
                if (treeView1.Nodes[0].Nodes["0"].IsSelected)
                {
                    MusteriCariKart mstt = new MusteriCariKart();
                    Altaacilsin(mstt);
                }
                else if (treeView1.Nodes[0].Nodes["1"].IsSelected)
                {
                    CariKartlariguncelle gncl = new CariKartlariguncelle();
                    Altaacilsin(gncl);
                }
                else if (treeView1.Nodes[0].Nodes["2"].IsSelected)
                {
                    CariKartlariSilme silme = new CariKartlariSilme();
                    Altaacilsin(silme);
                }
                break;

            case "Ted":
                if (treeView1.Nodes[0].Nodes["0"].IsSelected)
                {
                    TedarikciCariKarti tdrikci = new TedarikciCariKarti();
                    Altaacilsin(tdrikci);
                }
                else if (treeView1.Nodes[0].Nodes["1"].IsSelected)
                {
                    CariKartlariguncelle gncl = new CariKartlariguncelle();
                    Altaacilsin(gncl);
                }
                else if (treeView1.Nodes[0].Nodes["2"].IsSelected)
                {
                    CariKartlariSilme silme = new CariKartlariSilme();
                    Altaacilsin(silme);
                }
                break;

            case "Per":
                if (treeView1.Nodes[0].Nodes["0"].IsSelected)
                {
                    PersonelCariKarti prsnl = new PersonelCariKarti();
                    Altaacilsin(prsnl);
                }
                else if (treeView1.Nodes[0].Nodes["1"].IsSelected)
                {
                    CariKartlariguncelle gncl = new CariKartlariguncelle();
                    Altaacilsin(gncl);
                }
                else if (treeView1.Nodes[0].Nodes["2"].IsSelected)
                {
                    CariKartlariSilme silme = new CariKartlariSilme();
                    Altaacilsin(silme);
                }
                break;

            case "ok":
                if (treeView1.Nodes[0].Nodes["0"].IsSelected)
                {
                    StokKarti stok = new StokKarti();
                    Altaacilsin(stok);
                }
                else if (treeView1.Nodes[0].Nodes["1"].IsSelected)
                {
                    StokKartlariGuncelle stokgncl = new StokKartlariGuncelle();
                    Altaacilsin(stokgncl);
                }
                else if (treeView1.Nodes[0].Nodes["2"].IsSelected)
                {
                    StokKartlariSilme stoksil = new StokKartlariSilme();
                    Altaacilsin(stoksil);
                }
                else if (treeView1.Nodes[0].Nodes["3"].IsSelected)
                {
                    StokMaliyet sm = new StokMaliyet();
                    Altaacilsin(sm);
                }
                else if (treeView1.Nodes[0].Nodes["4"].IsSelected)
                {
                    StokMG smg = new StokMG();
                    Altaacilsin(smg);
                }
                else if (treeView1.Nodes[0].Nodes["5"].IsSelected)
                {
                    StokMS sms = new StokMS();
                    Altaacilsin(sms);
                }
                break;

            case "Alma":
                if (treeView1.Nodes[0].Nodes["0"].IsSelected)
                {
                    Satinalma stn = new Satinalma();
                    Altaacilsin(stn);
                }
                else if (treeView1.Nodes[0].Nodes["1"].IsSelected)
                {
                    SatinalmaGuncelleme stngncl = new SatinalmaGuncelleme();
                    Altaacilsin(stngncl);
                }
                else if (treeView1.Nodes[0].Nodes["2"].IsSelected)
                {
                    SatinalmaSilme stnsil = new SatinalmaSilme();
                    Altaacilsin(stnsil);
                }
                break;

            case "S":
                if (treeView1.Nodes[0].Nodes["0"].IsSelected)
                {
                    Satis sts = new Satis();
                    Altaacilsin(sts);
                }
                else if (treeView1.Nodes[0].Nodes["1"].IsSelected)
                {
                    satisguncelle stsgncl = new satisguncelle();
                    Altaacilsin(stsgncl);
                }
                else if (treeView1.Nodes[0].Nodes["2"].IsSelected)
                {
                    SatisSilme stssilme = new SatisSilme();
                    Altaacilsin(stssilme);
                }
                break;

            case "O":
                if (treeView1.Nodes[0].Nodes["0"].IsSelected)
                {
                    Odeme odm = new Odeme();
                    Altaacilsin(odm);
                }
                else if (treeView1.Nodes[0].Nodes["1"].IsSelected)
                {
                    OdemelerGuncelleme odmgncl = new OdemelerGuncelleme();
                    Altaacilsin(odmgncl);
                }
                else if (treeView1.Nodes[0].Nodes["2"].IsSelected)
                {
                    OdemelerSilme odmsilme = new OdemelerSilme();
                    Altaacilsin(odmsilme);
                }
                break;

            case "T":
                if (treeView1.Nodes[0].Nodes["0"].IsSelected)
                {
                    Tahsilat ths = new Tahsilat();
                    Altaacilsin(ths);
                }
                else if (treeView1.Nodes[0].Nodes["1"].IsSelected)
                {
                    TahsilatGuncelleme thsgncl = new TahsilatGuncelleme();
                    Altaacilsin(thsgncl);
                }
                else if (treeView1.Nodes[0].Nodes["2"].IsSelected)
                {
                    TahsilatlarSilme thssilme = new TahsilatlarSilme();
                    Altaacilsin(thssilme);
                }
                break;

            case "I":
                if (treeView1.Nodes[0].Nodes["0"].IsSelected)
                {
                    Istakipformu istk = new Istakipformu();
                    Altaacilsin(istk);
                }
                else if (treeView1.Nodes[0].Nodes["1"].IsSelected)
                {
                    IstakipFormguncelleme istkgncl = new IstakipFormguncelleme();
                    Altaacilsin(istkgncl);
                }
                else if (treeView1.Nodes[0].Nodes["2"].IsSelected)
                {
                    IstakipFormuSil istksilme = new IstakipFormuSil();
                    Altaacilsin(istksilme);
                }
                break;

            case "R":
                if (treeView1.Nodes[0].Nodes["0"].IsSelected)
                {
                    Musteriler mstrirpr = new Musteriler();
                    Altaacilsin(mstrirpr);
                }
                else if (treeView1.Nodes[0].Nodes["1"].IsSelected)
                {
                    Tedarikciler tdrkcrpr = new Tedarikciler();
                    Altaacilsin(tdrkcrpr);
                }
                else if (treeView1.Nodes[0].Nodes["2"].IsSelected)
                {
                    Personeller prsnl = new Personeller();
                    Altaacilsin(prsnl);
                }
                else if (treeView1.Nodes[0].Nodes["3"].IsSelected)
                {
                    StoklarEkstresi stkrpr = new StoklarEkstresi();
                    Altaacilsin(stkrpr);
                }
                else if (treeView1.Nodes[0].Nodes["4"].IsSelected)
                {
                    SatinalmaEkstresi stsrpr = new SatinalmaEkstresi();
                    Altaacilsin(stsrpr);
                }
                else if (treeView1.Nodes[0].Nodes["5"].IsSelected)
                {
                    SatislarEkstre stsrpr = new SatislarEkstre();
                    Altaacilsin(stsrpr);
                }
                else if (treeView1.Nodes[0].Nodes["6"].IsSelected)
                {
                    OdemelerEkstresi odmrpr = new OdemelerEkstresi();
                    Altaacilsin(odmrpr);
                }
                else if (treeView1.Nodes[0].Nodes["7"].IsSelected)
                {
                    TahsilatEkstre thsrpr = new TahsilatEkstre();
                    Altaacilsin(thsrpr);
                }
                else if (treeView1.Nodes[0].Nodes["8"].IsSelected)
                {
                    IsTakipFormlariRaporlama Istrpr = new IsTakipFormlariRaporlama();
                    Altaacilsin(Istrpr);
                }
                else if (treeView1.Nodes[0].Nodes["9"].IsSelected)
                {
                    IsPersonelR Isr = new IsPersonelR();
                    Altaacilsin(Isr);
                }
                break;

            case "U":
                if (treeView1.Nodes[0].Nodes["0"].IsSelected)
                {
                    IsPersonel Is = new IsPersonel();
                    Altaacilsin(Is);
                }
                else if (treeView1.Nodes[0].Nodes["1"].IsSelected)
                {
                    TekliIsPersonel tekli = new TekliIsPersonel();
                    Altaacilsin(tekli);
                }
                else if (treeView1.Nodes[0].Nodes["2"].IsSelected)
                {
                    IsPersonelG Isg = new IsPersonelG();
                    Altaacilsin(Isg);
                }
                else if (treeView1.Nodes[0].Nodes["3"].IsSelected)
                {
                    IsPersonelleriS Iss = new IsPersonelleriS();
                    Altaacilsin(Iss);
                }
                break;

            default:
                break;
            }
        }