Here is a link I found http://www.experts-exchange.com/Programming/Languages/.NET/Visual_Basic.NET/Q_23243328.html

>I can access the visible property of the cell but it is readonly.
>
>Con_campDataGridView.Item(e.ColumnIndex, e.RowIndex).Visible = False
>
>
>>>I have a Datagrid where I would like to have a button show if a field has a value and not show if no value is present.
>>>
>>>I currently change the button's caption with the code below.
>>>
>>>
>>>
>>>

>>>  Private Sub Con_campDataGridView_CellFormatting(ByVal sender As Object, ByVal e As System.Windows.Forms.DataGridViewCellFormattingEventArgs) Handles Con_campDataGridView.CellFormatting
>>>
>>>        Dim i As Integer
>>>        i = Me.Con_campDataGridView.Columns("file_loc").Index
>>>
>>>        If e.ColumnIndex = i And e.RowIndex > -1 Then
>>>            e.FormattingApplied = True
>>>            If IsDBNull(e.Value) Or e.Value Is Nothing Then
>>>                e.Value = ""
>>>                ' I would like to hide the button if not file is available
>>>
>>>            Else
>>>                e.Value = "Show Image"
>>>            End If
>>>        End If
>>>
>>>    End Sub
>>>

>>
>>Can you access the button through Controls array? If yes, then just set its visible property to false.