public void InvalidateForm()
        {
            if (partGrid != null)
            {
                partGrid.Children.Clear();
                this.DiscoverObject();

                Grid grid1 = new Grid();
                grid1.Margin = new Thickness(5);
                grid1.ColumnDefinitions.Add(new ColumnDefinition()
                {
                    Width = new GridLength(1, GridUnitType.Auto)
                });
                grid1.ColumnDefinitions.Add(new ColumnDefinition());// {Width = new GridLength(1, GridUnitType.Auto)});
                //grid1.ColumnDefinitions.Add(new ColumnDefinition() { Width = new GridLength(1, GridUnitType.Auto) });

                int row = 0;

                var listProperties = from p in this.displays
                                     orderby(p.Value.GetOrder() ?? 0)
                                     select this.properties[p.Key];

                foreach (PropertyInfo property in listProperties)
                {
                    var nm = displays[property.Name].GetName();
                    if (string.IsNullOrEmpty(nm))
                    {
                        nm = property.Name;
                    }
                    var tooltip = displays[property.Name].GetDescription();

                    var lbl = GetLabelTextBlock(nm, tooltip);

                    // Binding Creation
                    Binding binding = new Binding(property.Name);
                    binding.Source           = this.CurrentItem;
                    binding.ConverterCulture = CultureInfo.CurrentCulture;
                    binding.Mode             = (bindables[property.Name].Direction == BindingDirection.TwoWay
                        ? BindingMode.TwoWay
                        : BindingMode.OneWay);
                    binding.ValidatesOnDataErrors   = true;
                    binding.ValidatesOnExceptions   = true;
                    binding.NotifyOnValidationError = true;
                    binding.UpdateSourceTrigger     = UpdateSourceTrigger.PropertyChanged;

#if !SILVERLIGHT
                    //binding.NotifyOnTargetUpdated = true;
                    //binding.NotifyOnSourceUpdated = true;
                    //binding.IsAsync = true;
#endif

#if !SILVERLIGHT
                    foreach (ValidationAttribute attribs in this.validations[property.Name])
                    {
                        ValidationRule rule = new AttributeValidationRule(attribs, property.Name);
                        binding.ValidationRules.Add(rule);
                        if (!this.rules.ContainsKey(property.Name))
                        {
                            this.rules.Add(property.Name, new List <ValidationRule>());
                        }
                        this.rules[property.Name].Add(rule);
                    }
#endif

                    // Control creation
                    FrameworkElement editorControl = this.GetControlFromProperty(property, binding);

                    if (editorControl == null)
                    {
                        continue;
                    }

                    var df = new DataField()
                    {
                        Content = editorControl, Label = lbl
                    };

                    DataFormAutoGeneratingFieldEventArgs e = new DataFormAutoGeneratingFieldEventArgs(property.Name,
                                                                                                      property.PropertyType, df);
                    EventHandler <DataFormAutoGeneratingFieldEventArgs> eventHandler = this.AutoGeneratingField;
                    if (eventHandler != null)
                    {
                        eventHandler(this, e);
                    }

                    if (e.Cancel)
                    {
                        continue;
                    }

                    ToolTipService.SetToolTip(df.Content, displays[property.Name].GetDescription());
#if !SILVERLIGHT
                    Validation.SetErrorTemplate(df.Content, ErrorTemplate);
#endif
                    //df.Content.HorizontalAlignment = Windows.HorizontalAlignment.Stretch;

                    // Add to view
                    RowDefinition newRow = new RowDefinition()
                    {
                        Height = new GridLength(1, GridUnitType.Auto)
                    };
                    grid1.RowDefinitions.Add(newRow);
                    if (df.Content.Height.CompareTo(Double.NaN) != 0)
                    {
                        newRow.Height = new GridLength(df.Content.Height);
                    }
                    Grid.SetColumn(df.Label, 0);
                    Grid.SetRow(df.Label, row);
                    Grid.SetColumn(df.Content, 1);
                    Grid.SetRow(df.Content, row);

                    grid1.Children.Add(df.Label);
                    grid1.Children.Add(df.Content);
                    this.controls.Add(property.Name, df.Content);

                    row++;
                }

                partGrid.Children.Add(grid1);
            }
        }