private void GetLoadedUnits()
{
DataGridViewRow dgvRow;
loadedUnits = new List <UnitInCourse>();
for (int i = 0; i < DGV_DialogCourseUnit.Rows.Count; i++)
{
dgvRow = DGV_DialogCourseUnit.Rows[i];
if ((bool)dgvRow.Cells["Select"].FormattedValue)
{
UnitInCourse unitsInCourse = new UnitInCourse()
{
UnitCode = dgvRow.Cells["UnitCode"].Value.ToString(),
CourseCode = courseCode,
Core = (bool)dgvRow.Cells["Core"].Value
};
loadedUnits.Add(unitsInCourse);
}
}
}
private void BTN_DialogCourseUnitAdd_Click(object sender, EventArgs e)
{
int compareSemesterKey = int.Parse(cmd.GetEarliestSemesterKeyOfCourse(courseCode));
// review
if (compareSemesterKey != 99999)
{
_ = MessageBox.Show(null, "You cannot modify a course after it has become available at a college.", "Warning", MessageBoxButtons.OK, MessageBoxIcon.Warning);
DialogResult = DialogResult.Cancel;
return;
}
selectedUnits = new List <UnitInCourse>();
for (int i = 0; i < DGV_DialogCourseUnit.Rows.Count; i++)
{
if ((bool)DGV_DialogCourseUnit.Rows[i].Cells["Select"].FormattedValue)
{
UnitInCourse unitsInCourse = new UnitInCourse()
{
UnitCode = DGV_DialogCourseUnit.Rows[i].Cells["UnitCode"].Value.ToString(),
CourseCode = courseCode,
Core = (bool)DGV_DialogCourseUnit.Rows[i].Cells["Core"].FormattedValue
};
selectedUnits.Add(unitsInCourse);
}
}
var toAdd = selectedUnits
.Select(o => new { o.UnitCode, o.CourseCode, o.Core, })
.Except(
loadedUnits
.Select(o => new { o.UnitCode, o.CourseCode, o.Core })
);
var toDelete = loadedUnits
.Select(o => new { o.UnitCode, o.CourseCode, o.Core })
.Except(
selectedUnits
.Select(o => new { o.UnitCode, o.CourseCode, o.Core })
);
if (toAdd.Count() < 1 && toDelete.Count() < 1)
{
_ = MessageBox.Show(null, "No modifications have been made.", "Information", MessageBoxButtons.OK, MessageBoxIcon.Information);
return;
}
List <UnitInCourse> a = new List <UnitInCourse>();
List <UnitInCourse> d = new List <UnitInCourse>();
if (toAdd.Count() > 0)
{
foreach (var item in toAdd)
{
a.Add(new UnitInCourse {
UnitCode = item.UnitCode,
CourseCode = item.CourseCode,
Core = item.Core
});
}
}
if (toDelete.Count() > 0)
{
foreach (var item in toDelete)
{
d.Add(new UnitInCourse {
UnitCode = item.UnitCode,
CourseCode = item.CourseCode,
Core = item.Core
});
}
}
if (cmd.ModifyUnitInCourse(a, d))
{
if (mainForm.TABCTRL_Main.SelectedTab.Text.Equals("Courses"))
{
mainForm.GetView("Courses");
}
else if (mainForm.TABCTRL_Main.SelectedTab.Text.Equals("Course Assigned Units"))
{
mainForm.GetView("Course Assigned Units");
}
}
}
