Hello,

thanks for quickly answer, bellow is example code

//reading data from source

ProjektDB.profilAdapter.Fill(ProjektDB.projektDS.Profil);
ProjektDB.projektAdapterManager.ProfilTableAdapter = ProjektDB.profilAdapter;
gridProfil.DataSource = ProjektDB.projektDS.Profil;

//Click on Add button invoke this

public static void Dodaj(object focus, ProjektDataSet.ProfilDataTable tablica)
        {
            ProjektDataSet.ProfilRow profil = tablica.NewProfilRow();
            profil.Nazwa = "_aaaaaa";
            tablica.AddProfilRow(profil);

            aktywujOstatniRekord(ref SlownikKontrakty.Instance.gridProfil);
            ((System.Windows.Controls.TextBox)focus).SelectAll();
            ((System.Windows.Controls.TextBox)focus).Focus();
           
        }
  
public static void aktywujOstatniRekord(ref XamDataGrid grid)
        {
            Record record = (grid.Records[grid.Records.Count - 1]);
            grid.Focus();
            grid.ActiveRecord = record;
            record.IsSelected = true;
            record.IsActive = true;
        }
  
  //Click on Save button invoke this
public static void Zapisz(ref XamDataGrid grid)
        {
           
            grid.ExecuteCommand(DataPresenterCommands.CommitChangesToActiveRecord);
            if (ProjektDB.projektDS.HasChanges())
            {
                ProjektDB.projektAdapterManager.UpdateAll(ProjektDB.projektDS);
                Assergs.Windows.MessageBox.Show("Zmiany zostały zapisane.","Informacje",MessageBoxButton.OK,MessageBoxImage.Information);
            }

        }
  
  in XAML:

  <igDP:XamDataGrid Name="gridProfil" Theme="Office2k7Blue" Margin="3,3.19,3,60.81"
                                          GroupByAreaLocation="None" RecordContainerGenerationMode="PreLoad"
                                          ScrollingMode="Deferred"
                                          Height="550" >
           
       <igDP:XamDataGrid.FieldLayouts>
                                <igDP:FieldLayout>
                                    <igDP:FieldLayout.Settings>
                                        <igDP:FieldLayoutSettings AutoArrangeCells="Default" AutoGenerateFields="False" />
                                    </igDP:FieldLayout.Settings>
                                    <igDP:FieldLayout.Fields>
                                        <igDP:Field Name="IdProfil" Label="ID">
                                            <igDP:Field.Settings>
                                                <igDP:FieldSettings AllowEdit="False" CellValuePresenterStyle="{StaticResource ReadOnly}"
                                                                    CellWidth="50" LabelWidth="50" />
                                            </igDP:Field.Settings>
                                        </igDP:Field> 
          ...
             <igDP:Field Name="h" Label="h" Visibility="Collapsed" >
                                            <igDP:Field.Settings>
                                                <igDP:FieldSettings AllowEdit="False" CellValuePresenterStyle="{StaticResource ReadOnly}"
                                                                    CellWidth="0" LabelWidth="0" />
                                            </igDP:Field.Settings>
                                        </igDP:Field>
          ...
                                </igDP:FieldLayout>
                            </igDP:XamDataGrid.FieldLayouts>

       
And now binding...

 <Grid DataContext="{Binding ElementName=gridProfil, Path=ActiveRecord}" Grid.Column="2" Margin="3">
 ...
 
<TextBox x:Name="txbNazwaPelna" Width="200" Grid.Column="1" Grid.Row="1" Text="{Binding Path=Cells[NazwaPelna].Value, UpdateSourceTrigger=PropertyChanged}"
                                 IsEnabled="{Binding ElementName=gridProfil, Path=ActiveRecord, Converter={x:Static conv:ConvertersHolder.convActiveRecord}}"/>