public void renderCell(LineData.ShowCellData showData)
{
LineData.ShowCellData scd = showData;
if (scd.Item == null)
{
scd.Item = itemTemplate.findItem(scd.nType);
scd.Item.transform.SetParent(content);
scd.Item.SetActive(true);
}
scd.renderPos();
GridDataSource gds = dataLocator.source[scd.dataIndex];
scd.render(gds);
}