Would somehow have C # use this pointed column of the image to add value to it as if it were a "header"?
I'm using DataGridView below to show an array. The array header is already being shown in the columns because I can use:
gridView.Columns.Add("string", "header");
This really is a row header ) and it is perfectly possible to add values to it.
You only need to use the HeaderCell property of the line.
private void SetarCabecalhoLinha(DataGridView dgv)
{
foreach (DataGridViewRow linha in dgv.Rows)
{
linha.HeaderCell.Value = (linha.Index + 1).ToString();
}
}