Dim trv1 As WinForm.TreeView = e.Form.Controls("TreeView1")
Dim trv2 As WinForm.TreeView = e.Form.Controls("TreeView2")
Dim nd1 As WinForm.TreeNode = trv1.SelectedNode
Dim dr As DataRow
If e.Node.ParentNode IsNot Nothing Then '取消父节点的选中标记,因为选中子节点,就不要选中父节点了
e.Node.ParentNode.Checked = False
End If
For Each cnd As WinForm.TreeNode In e.Node.Nodes '取消子节点的选中标记,因为选中父节点,就不要选中子节点了
cnd.Checked = False
Next
If nd1.Level = 0 Then
dr = DataTables("授权").Find("功能模块 = '" & nd1.Name & "' And 窗口菜单 Is Null")
Else
dr = DataTables("授权").Find("功能模块 = '" & nd1.ParentNode.Name & "' And 窗口菜单 = '" & nd1.Name & "'")
End If
If dr IsNot Nothing Then
Dim nms As String
For Each nd2 As WinForm.TreeNode In trv2.AllNodes
If nd2.Checked Then
nms = nd2.Name
End If
Next
If nms > "" Then
dr("用户角色") = nms
Else
dr("用户角色") = Nothing
End If
End If
错误提示：.NET Framework 版本：2.0.50727.5485
Foxtable 版本：2016.6.21.1
错误所在事件：窗口,权限管理,TreeView2,AfterCheckNode
详细错误信息：
未将对象引用设置到对象的实例。
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Post By：2016/7/30 17:20:00 [只看该作者]
