public decimal?GetScore(RatingStudent student)
{
ItemWeightCollection exists = new ItemWeightCollection();
foreach (string each in Items.Keys)
{
if (student.Scores[ThisToken].Contains(each))
{
exists.Add(each, Items[each]);
}
}
if (exists.Count <= 0)
{
return(null);
}
if (Method == CalcMethod.加權平均)
{
return(加權平均(student, exists));
}
else if (Method == CalcMethod.加權總分)
{
return(加權總分(student, exists));
}
else if (Method == CalcMethod.合計總分)
{
return(合計總分(student, exists));
}
else
{
return(算術平均(student, exists));
}
}
/// <summary>
/// 把使用者已選擇的科目資訊(權重)更新到 SelectedSubjects 變數。
/// </summary>
/// <returns>true 為資料正確沒有發生任何錯誤。</returns>
private bool RefreshSelectedSubjects()
{
bool result = true;
SelectedSubjects = new ItemWeightCollection();
foreach (DataGridViewRow each in dgv.Rows)
{
if (each.IsNewRow)
{
continue;
}
string value = "" + each.Cells[chCheck.Index].Value;
bool b;
if (bool.TryParse(value, out b) && b == true)
{
string subject = "" + each.Cells[chSubject.Index].Value;
string strPeriod = "" + each.Cells[chPeriod.Index].Value;
decimal period;
if (decimal.TryParse(strPeriod, out period) && period > 0)
{
each.Cells[chPeriod.Index].ErrorText = string.Empty;
SelectedSubjects.Add(subject, period);
}
else
{
each.Cells[chPeriod.Index].ErrorText = "計算比例必須是大於 0 的數字。";
result = false;
}
}
}
return(result);
}
/// <summary>
/// 把使用者已選擇的科目資訊(權重)更新到 SelectedSubjects 變數。
/// </summary>
/// <returns>true 為資料正確沒有發生任何錯誤。</returns>
private bool RefreshSelectedSubjects()
{
bool result = true;
SelectedSubjects = new ItemWeightCollection();
foreach (DataGridViewRow each in dgv.Rows)
{
if (each.IsNewRow)
{
continue;
}
string value = "" + each.Cells[chCheck.Index].Value;
bool b;
if (bool.TryParse(value, out b) && b == true)
{
string subject = "" + each.Cells[chSubject.Index].Value;
SelectedSubjects.Add(subject, 1);
result = true;
}
}
return(result);
}