vb.net – DataGridView列顺序似乎不起作用

Dim template As New IncidentTemplate
Dim temps As List(Of IncidentTemplate) = template.LoadAll
Dim bs As New BindingSource

If Not temps Is Nothing Then

   bs.DataSource = temps
   Me.dgvTemplates.DataSource = bs

End If

然后我添加一个未绑定的按钮列,并使一些绑定列不可见：

Dim BtnCol As New DataGridViewButtonColumn
        With BtnCol
            .Name = "Edit"
            .Text = "Edit"
            .HeaderText = String.Empty
            .ToolTipText = "Edit this Template"
            .UseColumnTextForButtonValue = True
        End With

        .Columns.Add(BtnCol)
        BtnCol = Nothing

        For Each col As DataGridViewColumn In Me.dgvTemplates.Columns

               Select Case col.Name

                Case "Name"
                    col.DisplayIndex = 0
                    col.FillWeight = 100
                    col.Visible = True

                Case "Description"
                    col.DisplayIndex = 1
                    col.FillWeight = 100
                    col.Visible = True

                Case "Created"
                    col.DisplayIndex = 3
                    col.HeaderText = "Created On"
                    col.DefaultCellStyle.Format = "d"
                    col.FillWeight = 75
                    col.Visible = True

                Case "CreatedBy"
                    col.DisplayIndex = 2
                    col.HeaderText = "Created By"
                    col.FillWeight = 75
                    col.Visible = True

                Case "Edit"
                    col.DisplayIndex = 4
                    col.HeaderText = ""
                    col.FillWeight = 30
                    col.Visible = True

                Case Else
                    col.Visible = False

            End Select

        Next

这似乎工作得相当好,除了我做的事情,按钮列(编辑)总是显示在其他列的中间而不是在结尾.我已经尝试了DGV.Columns.Add和DGV.Columns.Insert以及设置列的DisplayIndex(这适用于所有其他列)但我无法使按钮列显示在正确的位置.我也尝试在设置其余列之前和之后添加按钮列,但这似乎没有区别任何人都可以建议我做错了什么？这让我疯狂….