sometimes I want to hide buttons in a DataGridViewButtonColumn

Question

I have a DataGridView which was the subject of a previous question (link). But sometimes the Button is null. This is fine. But if it is null, is th

Answer 1

Padding didn't work for me. I think it is easier and cleaner to just make the cell an empty text cell. VB, but you get the idea:

Dim oEmptyTextCell As New DataGridViewTextBoxCell()
oEmptyTextCell.Value = String.Empty
oRow.Cells(i) = oEmptyTextCell

Answer 2

I just put padding all sides to the cell height & width (whichever is larger.)

Answer 3

As an improvement to Sriram's answer, I would suggest just overriding the cell painting event and only painting the background. I found that painting a textbox made it look a little odd.

void dataGridView1_CellPainting(object sender, DataGridViewCellPaintingEventArgs e) { if (e.ColumnIndex == yourColumnIndex && String.IsNullOrEmpty((string)e.FormattedValue)) { e.PaintBackground(e.ClipBounds, true); e.Handled = true; } }

Answer 4

Put the button to the right and ready

DataGridViewCellStyle  dataGridViewCellStyle2 = new DataGridViewCellStyle();
dataGridViewCellStyle2.Padding = new Padding(0, 0, 1000, 0);
row.Cells["name"].Style = dataGridViewCellStyle2;   

Answer 5

You can disabled a DataGridViewButton with a little effort as suggested in this post: Disabling the button column in the datagridview

I preferred using a DataGridViewImageColumn and DataGridView.CellFormatting event to display different pictures as an image button could be enabled or not.

In this case, if button must be disabled you can display a blank image and do nothing on DataGridView.CellClick event.

Answer 6

I had the same "problem" today. I also wanted to hide buttons of certain rows. After playing around with it for a while, I discovered a very simple and nice solution, that doesn't require any overloaded paint()-functions or similar stuff:

Just assign a different DataGridViewCellStyle to those cells.
The key is, that you set the padding property of this new style to a value that shifts the whole button out of the visible area of the cell.
That's it! :-)

Sample:

System::Windows::Forms::DataGridViewCellStyle^  dataGridViewCellStyle2 = (gcnew System::Windows::Forms::DataGridViewCellStyle());
dataGridViewCellStyle2->Padding = System::Windows::Forms::Padding(25, 0, 0, 0);

dgv1->Rows[0]->Cells[0]->Style = dataGridViewCellStyle2;
// The width of column 0 is 22.
// Instead of fixed 25, you could use `columnwidth + 1` also.