主题：在loadusersetting中为什么语句不能同时作用？

If User.Group = "主管" Then DataTables("表A").AllowEdit = True Else DataTables("表A").AllowEdit = False End If For Each t As Table In Tables t.Visible = True t.AllowEdit = True For Each c As Col In t.Cols c.Visible = True c.AllowEdit = True Next Next Tables("授权表").Visible = (User.Type <> UserTypeEnum.User ) If User.Type = UserTypeEnum.User Then For Each dr As DataRow In DataTables("授权表").Select("用户名 = '" & User.Name & "'" ) If dr.IsNull("列名") Then Tables(dr("表名")).Visible = Not dr("不可见") Tables(dr("表名")).AllowEdit = Not dr("不可编辑") Else Tables(dr("表名")).Cols(dr("列名")).Visible = Not dr("不可见") Tables(dr("表名")).Cols(dr("列名")).AllowEdit = Not dr("不可编辑") End If Next End If