private static void renameColumn(object sender, System.EventArgs e) { MenuItem senderMI = sender as MenuItem; dynamic[] dat = senderMI.Tag as dynamic[]; DataGridView _DGV = dat[0]; string _colName = dat[1]; string[] input = Prompt.ShowDialog("Enter New Column Name:", "Rename \"" + _colName + "\" Column", true, false, null); if (input[0] == "T") { DatabaseFunct.ChangeColumnName(_colName, input[1], _DGV); } }