private void Classes_SelectedIndexChanged(object sender, EventArgs e)
{
if (!ComboBoxChangeable)
{
return;
}
ComboBoxChangeable = false;
EditButton.Enabled = false;
string Choosing = Subjects.SelectedItem.ToString();
Subjects.Items.Clear();
Subjects.Items.Add("All");
StudentServices service = new StudentServices();
var data = service.GetSubjectFromDB(Classes.SelectedItem.ToString());
foreach (string Subject in data)
{
Subjects.Items.Add(Subject);
}
if (!Subjects.Items.Contains(Choosing))
{
Subjects.SelectedIndex = 0;
}
else
{
Subjects.SelectedIndex = Subjects.Items.IndexOf(Choosing);
}
if (listViewInfo == ListViewInfo.Students)
{
ViewStudents_Click(sender, e);
}
else if (listViewInfo == ListViewInfo.Scoreboard)
{
ViewScore_Click(sender, e);
}
else if (listViewInfo == ListViewInfo.Schedule)
{
ViewSchedule_Click(sender, e);
}
ComboBoxChangeable = true;
}
public ManagerForm()
{
InitializeComponent();
openFileDialog.Filter = "Comma-separated values files (*.csv)|*.csv";
openFileDialog.RestoreDirectory = true;
NotiLabel.Text = "";
_No = ((System.Windows.Forms.ColumnHeader)(new System.Windows.Forms.ColumnHeader()));
_Id = ((System.Windows.Forms.ColumnHeader)(new System.Windows.Forms.ColumnHeader()));
_Name = ((System.Windows.Forms.ColumnHeader)(new System.Windows.Forms.ColumnHeader()));
_Info1 = ((System.Windows.Forms.ColumnHeader)(new System.Windows.Forms.ColumnHeader()));
_Info2 = ((System.Windows.Forms.ColumnHeader)(new System.Windows.Forms.ColumnHeader()));
_Info3 = ((System.Windows.Forms.ColumnHeader)(new System.Windows.Forms.ColumnHeader()));
_Info4 = ((System.Windows.Forms.ColumnHeader)(new System.Windows.Forms.ColumnHeader()));
_Info5 = ((System.Windows.Forms.ColumnHeader)(new System.Windows.Forms.ColumnHeader()));
_Info6 = ((System.Windows.Forms.ColumnHeader)(new System.Windows.Forms.ColumnHeader()));
_Info7 = ((System.Windows.Forms.ColumnHeader)(new System.Windows.Forms.ColumnHeader()));
_No.Text = "No.";
_No.Width = 40;
ComboBoxChangeable = false;
Classes.Items.Add("All");
Classes.SelectedIndex = 0;
Subjects.Items.Add("All");
Subjects.SelectedIndex = 0;
ComboBoxChangeable = true;
StudentServices service = new StudentServices();
var data = service.GetClassesFromDB("All");
foreach (string Class in data)
{
Classes.Items.Add(Class);
}
data = service.GetSubjectFromDB("All");
foreach (string Subject in data)
{
Subjects.Items.Add(Subject);
}
}