Item Data Bound

test this

protected void Repeater1_ItemDataBound(object sender, RepeaterItemEventArgs e)
{
if (e.Item.ItemType == ListItemType.Item || e.Item.ItemType == ListItemType.AlternatingItem)
{
RepeaterItem item = e.Item;
Literal ltrlSessionDate= (item.FindControl("ltrlSessionDate")as Literal);
Literal status= (item.FindControl("ltrlCurrentStatus")as Literal);
if (status.Text =="Approved")
{
ltrlSessionDate.Text =Convert.ToDateTime(ltrlSessionDate.Text).AddDays(-7).ToString("dd-MM-yyyy");
}
}
}