protected void StudentDropDownList_SelectedIndexChanged(object sender, EventArgs e)
{
// THIS EVENT ISN'T CALLED AND I DON'T KNOW WHY
string id = StudentDropDownList.SelectedItem.ToString();
List <Student> students = dt.viewStudents();
foreach (Student s in students)
{
if (s.StudentID.Trim() == id.Trim())
{
StudentNameLabel.Text = s.StudentName;
}
}
courses = dt.getEnrolmentsForStudent(id);
foreach (Course c in courses)
{
CoursesListBox.Items.Add(c.CourseName);
bill += c.Cost;
}
CostLabel.Text = "Cost is " + bill.ToString();
StudentNameLabel.DataBind();
CoursesListBox.DataBind();
CostLabel.DataBind();
}
void ReleaseDesignerOutlets()
{
if (NameLabel != null)
{
NameLabel.Dispose();
NameLabel = null;
}
if (CostLabel != null)
{
CostLabel.Dispose();
CostLabel = null;
}
}
protected void Button1_Click(object sender, EventArgs e)
{
try {
CoursesListBox.Items.Clear();
bill = 0;
string id = StudentDropDownList.SelectedValue.ToString();
//string id = StudentDropDownList.SelectedIndex.ToString();
List <Student> students = dt.viewStudents();
foreach (Student s in students)
{
if (s.StudentID.Trim() == id.Trim())
{
StudentNameLabel.Text = s.StudentName + "(ID = " + id + ")";
}
}
courses = dt.getEnrolmentsForStudent(id);
foreach (Course c in courses)
{
CoursesListBox.Items.Add(c.CourseName);
bill += c.Cost;
}
// This is necessary for some reason - I am obvously not understanding something
// important to the life cycle of this page
StudentDropDownList.Items.Clear();
foreach (Student s in students)
{
StudentDropDownList.Items.Add(s.StudentID);
}
CostLabel.Text = "Cost is " + bill.ToString();
//StudentNameLabel.DataBind();
//CoursesListBox.DataBind();
//CostLabel.DataBind();
}
catch (Exception ex)
{
CostLabel.Text = ex.Message.ToString();
CostLabel.DataBind();
}
}
private void GruparePct()
{
int cost = 0;
centruGreutate = new int[nr_centroizi, 3];
drawLines();
int distanta;
for (int i = 0; i < n; i++)
{
int distantaFinala = 10000;
for (int j = 0; j < nr_centroizi; j++)
{
distanta = Convert.ToInt32(Math.Sqrt(Math.Pow((punct[i].x - centroizi[j].x), 2) + Math.Pow((punct[i].y - centroizi[j].y), 2)));
if (distanta < distantaFinala)
{
distantaFinala = distanta;
punct[i].color = centroizi[j].color;
}
}
cost += distantaFinala;
DeseneazaPunct(i);
}
if (cost2 > cost)
{
cost2 = cost;
CostMicLabel.Text = $"Cel mai mic cost: {cost2}";
CostMicLabel.Update();
}
else if (!oprit)
{
OprireLabel.Text = $"Oprire la: {cost2}";
OprireLabel.Update();
oprit = true;
}
drawLines();
CostLabel.Text = $"Cost: {Convert.ToInt32(cost)}";
CostLabel.Update();
}
void ReleaseDesignerOutlets()
{
if (CommentsView != null)
{
CommentsView.Dispose();
CommentsView = null;
}
if (CommentTextBox != null)
{
CommentTextBox.Dispose();
CommentTextBox = null;
}
if (CostLabel != null)
{
CostLabel.Dispose();
CostLabel = null;
}
if (DateLabel != null)
{
DateLabel.Dispose();
DateLabel = null;
}
if (DistanceLabel != null)
{
DistanceLabel.Dispose();
DistanceLabel = null;
}
if (DriverLabel != null)
{
DriverLabel.Dispose();
DriverLabel = null;
}
if (EndLabel != null)
{
EndLabel.Dispose();
EndLabel = null;
}
if (FromLabel != null)
{
FromLabel.Dispose();
FromLabel = null;
}
if (MakerLabel != null)
{
MakerLabel.Dispose();
MakerLabel = null;
}
if (ModelLabel != null)
{
ModelLabel.Dispose();
ModelLabel = null;
}
if (RateLabel != null)
{
RateLabel.Dispose();
RateLabel = null;
}
if (ResumeView != null)
{
ResumeView.Dispose();
ResumeView = null;
}
if (SegmentedControl != null)
{
SegmentedControl.Dispose();
SegmentedControl = null;
}
if (StartLabel != null)
{
StartLabel.Dispose();
StartLabel = null;
}
if (ToLabel != null)
{
ToLabel.Dispose();
ToLabel = null;
}
if (VehicleImage != null)
{
VehicleImage.Dispose();
VehicleImage = null;
}
}
