DataGridView 重新加载后看似无刷新

struct DataGridViewPoint
        {
            public int FirstDisplayedScrollingRowIndex;
            public int FirstDisplayedScrollingColumnIndex;
            public object @object;
        }
        DataGridViewPoint myDataGridViewPoint;



if(myDataGridViewPoint.FirstDisplayedScrollingRowIndex>0&&myDataGridViewPoint.FirstDisplayedScrollingRowIndex<dgvUpTable.RowCount)
                        dgvUpTable.FirstDisplayedScrollingRowIndex = myDataGridViewPoint.FirstDisplayedScrollingRowIndex;
                    if (myDataGridViewPoint.FirstDisplayedScrollingColumnIndex>0&&myDataGridViewPoint.FirstDisplayedScrollingColumnIndex<dgvUpTable.ColumnCount)
                    {
                        dgvUpTable.FirstDisplayedScrollingColumnIndex = myDataGridViewPoint.FirstDisplayedScrollingColumnIndex;
                    }
                    DataGridViewRow dgvRow = null;
                    foreach (DataGridViewRow  var in dgvUpTable.Rows)
                    {
                        if (var.Cells["ti_id"].Value.ToString()== myDataGridViewPoint.@object as string)
                        {
                            dgvRow = var;
                            break;
                        }
                    }
                    if (dgvRow !=null)
                    {
                        dgvRow.Selected = true;
                    }