Question

＆＃39;提供帮助＆＃39;。当按下编辑按钮时，我需要从视图模型调用另一个视图。 showdailog（）我不能再使用了。我从这个视图中调用另一个子视图。请帮忙

编辑 - ＆GT; 删除＆LT; /按钮＆GT; ＆LT; /边框＆GT; ＆LT; /边框＆GT; ＆LT; /边框＆GT; ＆LT; /边框＆GT; ＆LT; /边框＆GT; ＆LT; /边框＆GT; ＆LT; /边框＆GT; - ＆GT;

                        </Grid>
                    </DataTemplate>
                </ItemsControl.ItemTemplate>
            </ItemsControl>
        </StackPanel>
        </Grid>
        </StackPanel>    
    </ScrollViewer>

    <Button Command ="{Binding SubmitCommand}" Name="Submit" Content="Search" HorizontalAlignment="Left" Margin="349,45,0,0" VerticalAlignment="Top" Width="75"/>
    <Button Command ="{Binding CloseCommand}" Name="Close" Content="Close" HorizontalAlignment="Left" Margin="535,379,0,0" VerticalAlignment="Top" Width="75"/>
    <Button Command ="{Binding ReLoadCommand}" Name="Reload" Content="ReLoad" HorizontalAlignment="Left" Margin="535,45,0,0" VerticalAlignment="Top" Width="75"/>
    <Button Command ="{Binding ClearCommand}" Name="Clear" Content="CLear" HorizontalAlignment="Left" Margin="443,45,0,0" VerticalAlignment="Top" Width="75"/>
    <Label x:Name="label" Content="Enter First Name or Last Name for Search" HorizontalAlignment="Left" Margin="84,18,0,0" VerticalAlignment="Top"/>
    <ComboBox ItemsSource="{Binding SelectedYear}" Name="comboBox" HorizontalAlignment="Left" 
              Margin="10,379,0,0" VerticalAlignment="Top" Width="120" IsSynchronizedWithCurrentItem="True" SelectedItem="{Binding Item}">
        <!--SelectedItem="{Binding Item} -->
    </ComboBox>



</Grid>

视图模型：

    private ICommand _editRowData;

    public ICommand EditRowData
    {
        get { return _editRowData ?? (_editRowData = new CommandHandler(() => RowDataAction(), _canExecute)); }
    }


   private SecondWindowViewModel childView;
    public void RowDataAction()
    {
        childView = new SecondWindowViewModel();
        //MessageBox.Show("Edit Button Pressed");
        SecondWindow view = new SecondWindow()
        {
            DataContext = childView

        };

        childView.Labelcontent = "kala";

        view.ShowDailog();

        //view.ShowDailog() is giving me error. Please explain and provide me solve.

Answer 1

将按钮绑定更改为：

<Button Command="{Binding Path=DataContext.EditRowData, RelativeSource={RelativeSource Mode=FindAncestor, AncestorType=ItemsControl}}" ... etc

MVVM Itemsouce按钮命令并调用另一个视图

1 个答案: