public string GetCountScore()
{
float ds;
float score = 0;
DataTable dt = surBll.GetCountScore(Sid);
for (int i = 0; i < dt.Rows.Count; i++)
{
score += Convert.ToInt32(dt.Rows[i]["AnswerScore"].ToString());
}
ds = (score / (surBll.GetCount(Sid)) * 9) * 100;
return(ds.ToString("0.00") + "%");
}
