我能够获得添加到BindingList的项目的索引。当我试图让索引,如果删除的项目出现错误从绑定列表中获取已删除项目的索引
Index was out of range. Must be non-negative and less than the size of the collection. Parameter name: index
这里是我的代码
Private Sub cmdRemove_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles cmdRemove.Click
For i As Integer = 0 To _assignedSelection.SelectedCount - 1
Dim item As Jurisdiction = CType(_assignedSelection.GetSelectedRow(i), Jurisdiction)
_list.Remove(item)
Next
End Sub
Private Sub list_Change(ByVal sender As Object, ByVal e As ListChangedEventArgs) Handles _list.ListChanged
If (_list.Count > 0) Then
Select Case e.ListChangedType
Case ListChangedType.ItemAdded
_dal.InsertJurisdiction(_list.Item(e.NewIndex))
Case ListChangedType.ItemDeleted
'MsgBox(e.NewIndex.ToString)
_dal.DeleteJurisdiction(_list.Item(e.NewIndex)) <--------HERE
End Select
End If
End Sub
编辑:在C#的答案,也欢迎任何人....?
这是一个记录了几个解决方法的错误(如peterchen友好提供的)! http://link.microsoft.com/VisualStudio/feedback/details/148506/listchangedtype-itemdeleted-is-useless-because-listchangedeventargs-newindex-is-already-gone – Harrison 2011-02-22 18:03:09
@哈里森:感谢您的连接链接! – peterchen 2011-02-22 19:24:54
这个事件的主要目的是传达UI控件应该删除的位置。 – 2016-09-05 09:37:44