Try this..
If(DDL.SelectedItem.Text == "Active")
{
// callRowDataBound();
}
add this code in your databoundevent..
if (e.Row.RowType == DataControlRowType.DataRow)
{
DateTime dtdate = DateTime.ParseExact(e.Row.Cells[1].Text, "dd/MM/yyyy", null);
if (dtdate == DateTime.Now.Date)
{
e.Row.BackColor = Color.FromName("#00B5D0");
}
}}