DataGrideView下拉列表DataGridViewComboBoxCell选择的控制

       private void dataGrideTextProp_EditingControlShowing(object sender, DataGridViewEditingControlShowingEventArgs e)
        {
            if (dataGrideTextProp.CurrentCell.ColumnIndex == 1 && dataGrideTextProp.CurrentCell.RowIndex != -1)
            {
                (e.Control as ComboBox).SelectedIndexChanged += new EventHandler(ComboBox_SelectedIndexChanged);
            }
        }

        void ComboBox_SelectedIndexChanged(object sender, EventArgs e)
        {
            ComboBox comboBox = sender as ComboBox;
            //干自己的事情
             //
            comboBox.SelectedIndexChanged -= new EventHandler(ComboBox_SelectedIndexChanged);
            //System.Threading.Thread.Sleep(500);
            //comboBox.Hide();
        }