Code:

private OracleConnection konekcija;
        private OracleCommand komanda;
        //private OracleDataAdapter adapter;
        private OracleCommandBuilder autoKomande;

....... ....... ..............................................................
private void btnSnimi_Click(object sender, EventArgs e)
        {
            
            this.BindingContext[dataSet1, "countries"].EndCurrentEdit();
           
                if (this.dataSet1.HasChanges())
                {
                    try
                    {
                    if (konekcija.State == ConnectionState.Closed)
                        konekcija.Open();
                    mJESTOTableAdapter.SelectCommand.CommandText ="SELECT * FROM mjesto";
                    autoKomande = new OracleCommandBuilder(mJESTOTableAdapter);
                    mJESTOTableAdapter.Update(dataSet1.MJESTO);
                    MessageBox.Show("Izmjene tabele snimljene u bazu podataka.");
                    konekcija.Close();
                }
                catch (System.Exception eSnimi) 
                {
                    MessageBox.Show("GRESKA: " + eSnimi.Message);
                }

                finally
            {
                konekcija.Close();


            }
        }
        }