protected void EventFileList()
{
BusinessServices.Event objEvent = new BusinessServices.Event();
DataTable dtEvent = objEvent.GetEventFileName(int.Parse(ViewState["EventID"].ToString()), int.Parse(ViewState["EventPeriodID"].ToString()));
if (dtEvent.Rows.Count > 0)
{
gvFile.DataSource = dtEvent;
gvFile.DataBind();
}
}