private void StudentsListBox_SelectedIndexChanged(object sender, EventArgs e)
{
// Load average and predicted for the selected student.
if (StudentsListBox.Items.Count != 0)
{
// Reset labels
homeworkAverageLabel.Text = "--";
testsAverageLabel.Text = "--";
mtgLabel.Text = "--";
predictedGradeLabel.Text = "--";
if (StudentsListBox.SelectedIndex != -1)
{
// Grab data.
GradeData Data = GradeUtils.calculateStudentGrades(StudentsListBox.SelectedIndex + 1, GroupId);
// Only bother showing new data if they have homework and test results.
if (Data.HwAverage != 0 && Data.TestAverage != 0 && Data.MTG != 0)
{
homeworkAverageLabel.Text = Grades.FirstOrDefault(k => k.Value == Data.HwAverage).Key;
testsAverageLabel.Text = Grades.FirstOrDefault(k => k.Value == Data.TestAverage).Key;
mtgLabel.Text = Grades.FirstOrDefault(k => k.Value == Data.MTG).Key;
predictedGradeLabel.Text = Grades.FirstOrDefault(k => k.Value == Data.Predicted).Key;
}
}
}
}
public ActionResult GetGradeList()
{
List <GradeData> gradeDataList = new List <GradeData>();
GradeData extra = new GradeData();
extra.Id = 0;
extra.GradeName = "不限";
gradeDataList.Add(extra);
foreach (Grades grade in db.Grades)
{
GradeData gradeData = new GradeData();
gradeData.Id = grade.Id;
gradeData.GradeName = grade.Title;
gradeDataList.Add(gradeData);
}
return(Json(new { data = gradeDataList }));
}