Event that fires during DataGridViewComboBoxColumn SelectedIndexChanged
private void dataGridView1_EditingControlShowing(object sender, DataGridViewEditingControlShowingEventArgs e)
{
if (dataGridView1.CurrentCell.ColumnIndex == 1 && e.Control is ComboBox)
{
ComboBox comboBox = e.Control as ComboBox;
comboBox.SelectedIndexChanged -= LastColumnComboSelectionChanged;
comboBox.SelectedIndexChanged += LastColumnComboSelectionChanged;
}
}
private void LastColumnComboSelectionChanged(object sender, EventArgs e)
{
var currentcell = dataGridView1.CurrentCellAddress;
var sendingCB = sender as DataGridViewComboBoxEditingControl;
DataGridViewTextBoxCell cel = (DataGridViewTextBoxCell)dataGridView1.Rows[currentcell.Y].Cells[0];
cel.Value = sendingCB.EditingControlFormattedValue.ToString();
}