protected void DataGrid1_ItemDataBound(object sender, DataGridItemEventArgs e)
...{
if (e.Item.ItemType != ListItemType.Header && e.Item.ItemType != ListItemType.Pager)
...{ if (e.Item.Cells[1].Text.Length > 20) ...{ e.Item.Cells[1].Text = e.Item.Cells[1].Text.Substring(0, 20) + "...";
} if (e.Item.Cells[2].Text.Length > 30) ...{ e.Item.Cells[2].Text = e.Item.Cells[2].Text.Substring(0, 30) + "..."; } }
}