我正在尝试处理来自 datafrom 外部的内部添加/删除/编辑命令表单按钮控件的数据。我正在使用 MVVMLight。例如:要在删除按钮 EventToCommand 中删除,我 Bind Command="{Binding DeleteCurrentItemInDataform, Mode=TwoWay}"
CommandParameter="{绑定(bind) CurrentItem,ElementName=Dataform1}"
在 ViewModel 代码中:
DeleteCurrentItemInDataform=new RelayCommand<DataForm>(e=>{ e.DeletingItem+=new EventHandler<CancelEventArgs>(DeletingCurrentItem); });
private void DeletingCurrentItem(object sender, CancelEventArgs e){
Cash cd = sender as Cash;
_DataContext.CashDrawers.Remove(cd);
_DataContext.SubmitChanges((op) => { if (op.HasError) {MssageBox.Show(op.Error.Message); } else{ MessageBox.Show(cd.CashName + " is deleted."); } }, null); }
private RelayCommand<DataForm> _deleteCurrentItemInDataform;
public RelayCommand<DataForm> DeleteCurrentItemInDataform
{
get { return _deleteCurrentItemInDataform; }
set
{
if (_deleteCurrentItemInDataform != value)
{
_deleteCurrentItemInDataform = value;
RaisePropertyChanged("DeleteCurrentItemInDataform");
}
}
}
最佳答案
我发现使用后面的代码非常简单:
例如编辑,只需要做 > Datafrom1.BeginEdit();
关于silverlight - 使用外部控件自定义 Silverlight Dataform 的命令,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/3511424/