private async void BtnSacuvaj_Click(object sender, EventArgs e)
        {
            if (this.ValidateChildren())
            {
                var request = new TroskoviInsertRequest()
                {
                    Sifra     = txtSifra.Text,
                    PredmetID = int.Parse(cbPredmet.SelectedValue.ToString()),

                    DatumUplate = dtpDatumUplate.Value,
                    Iznos       = decimal.Parse(txtIznos.Text),
                    Opis        = txtOpis.Text,
                    IsDeleted   = false
                };

                if (_id.HasValue)
                {
                    await _aPIServiceTroskovi.Update <Model.Troskovi>(_id, request);

                    MessageBox.Show(Properties.Resources.MessageBoxForSave);
                    this.Hide();
                    frm2.RefreshData();
                }
                else
                {
                    await _aPIServiceTroskovi.Insert <Model.Troskovi>(request);

                    MessageBox.Show(Properties.Resources.MessageBoxForSave);
                    this.Hide();
                    frmTroskovi frm = new frmTroskovi();
                    frm.Show();
                }
            }
        }
 public frmTroskoviDetalji(int?trosakId = null, frmTroskovi frm1 = null)
 {
     InitializeComponent();
     _id  = trosakId;
     frm2 = frm1;
     this.AutoValidate = AutoValidate.Disable;
 }