private void GradeTotalsGrid_CellFormatting(object sender, DataGridViewCellFormattingEventArgs e)
{
StudentViewModel student = (StudentViewModel)this.Rows[e.RowIndex].DataBoundItem;
if (isGradingPeriodColumn(e.ColumnIndex))
{
GradingPeriodViewModel gradingPeriod = (GradingPeriodViewModel)this.Columns[e.ColumnIndex].Tag;
CourseViewModel course = findCourse(gradingPeriod);
double gradePercentage = course.CalculateGradePercentage(student);
e.Value = gradePercentage;
e.CellStyle.BackColor = GradeColorCode.getColor(gradePercentage);
}
else if (this.Columns["totalGradeColumn"].Index == e.ColumnIndex)
{
double gradePercentage = calculateStudentTotalGradePercentage(student);
e.Value = gradePercentage;
e.CellStyle.BackColor = GradeColorCode.getColor(gradePercentage);
}
}
