DataGridView滚动条联动

 #region 滚动条联动
        private void dataGridView2_Scroll(object sender, ScrollEventArgs e)
        {
            if (e.ScrollOrientation == ScrollOrientation.VerticalScroll)
            {
                dataGridView1.FirstDisplayedScrollingRowIndex = dataGridView2.FirstDisplayedScrollingRowIndex;
            }
            else if (e.ScrollOrientation == ScrollOrientation.HorizontalScroll)
            {

                dataGridView1.FirstDisplayedScrollingColumnIndex = dataGridView2.FirstDisplayedScrollingColumnIndex;
            }
        }

        private void dataGridView1_Scroll(object sender, ScrollEventArgs e)
        {
            if (e.ScrollOrientation == ScrollOrientation.VerticalScroll)
            {
                dataGridView2.FirstDisplayedScrollingRowIndex = dataGridView1.FirstDisplayedScrollingRowIndex;
            }
            else if (e.ScrollOrientation == ScrollOrientation.HorizontalScroll)
            {

                dataGridView2.FirstDisplayedScrollingColumnIndex = dataGridView1.FirstDisplayedScrollingColumnIndex;
            }
        } 
        #endregion