DataGridView重查后，返回原来所在行

<pre name="code" class="html">//查询前记录选中行
int _currentRow = 0;
//int _currentColumn = 0;
switch (modMark)
{
    case 1:
        if (dgvHis.CurrentCell != null)
        {
            _currentRow = this.dgvHis.CurrentCell.RowIndex;
            //_currentColumn = this.dgvHis.CurrentCell.ColumnIndex ;
        }
        break;
    case 2:
        if (dgvBank.CurrentCell != null)
        {
            _currentRow = this.dgvBank.CurrentCell.RowIndex;
            //_currentColumn = this.dgvBank.CurrentCell.ColumnIndex;
        }
        break;
}


//设置选中行
            switch (modMark)
            {
                case 1:
                    if (dgvHis.Rows.Count > 0)
                    {
                        if (dgvHis.Rows.Count >= _currentRow)
                        {
                            dgvHis.Rows[_currentRow].Selected = true;
                            dgvHis.FirstDisplayedScrollingRowIndex = _currentRow;
                        }
                        else
                        {
                            dgvHis.Rows[dgvHis.Rows.Count - 1].Selected = true;
                            dgvHis.FirstDisplayedScrollingRowIndex = dgvHis.Rows.Count - 1;
                        }
 
                    }
//                     if (dgvHis.Columns.Count > _currentColumn)
//                     {
//                         dgvHis.Columns[_currentColumn].Selected = true;
//                     }
//                     else
//                     {
//                         dgvHis.Columns[dgvHis.Columns.Count - 1].Selected = true;
//                     }
                    break;
                case 2:
                    if (dgvBank.Rows.Count > 0)
                    {
                        if (dgvBank.Rows.Count >= _currentRow)
                        {
                            dgvBank.Rows[_currentRow].Selected = true;
                            dgvBank.FirstDisplayedScrollingRowIndex = _currentRow;
                        }
                        else
                        {
                            dgvBank.Rows[dgvBank.Rows.Count - 1].Selected = true;
                            dgvBank.FirstDisplayedScrollingRowIndex = dgvBank.Rows.Count - 1;
                        }
                    }
//                     if (dgvBank.Columns.Count > _currentColumn)
//                     {
//                         dgvBank.Columns[_currentColumn].Selected = true;
//                     }
//                     else
//                     {
//                         dgvBank.Columns[dgvBank.Columns.Count - 1].Selected = true;
//                     }
                    break;
            }