private void Load_Click(object sender, RoutedEventArgs e)
{
datgr.IsEnabled = true;
Microsoft.Win32.OpenFileDialog dlg = new Microsoft.Win32.OpenFileDialog();
dlg.ShowDialog();
dbname = dlg.FileName;
SQLiteConnection m_dbConnection;
m_dbConnection = new SQLiteConnection("Data Source=" + dbname + ";Version=3;");
m_dbConnection.Open();
string sql = "SELECT * FROM student, info WHERE student.unicid = info.unicid";
SQLiteCommand command = new SQLiteCommand(sql, m_dbConnection);
SQLiteDataReader reader = command.ExecuteReader();
while (reader.Read())
{
SStudent stud = new SStudent();
stud.Fio = reader["fio"].ToString();
stud.Unicid = int.Parse(reader["unicid"].ToString());
stud.Math = int.Parse(reader["math"].ToString());
stud.Phys = int.Parse(reader["phys"].ToString());
slist.Add(stud);
}
datgr.ItemsSource = slist;
datgr.Items.Refresh();
m_dbConnection.Close();
}
static void Main(string[] args)
{
SStudent s1 = new SStudent();
s1.Id = 21;
s1.Name = "shohag";
Console.WriteLine("student1 id={0}", s1.Id);
Console.WriteLine("student1 name={0}", s1.Name);
Console.WriteLine("student1 passmark={0}", s1.Passmark);
}
static void Main(string[] args)
{
SStudent[] students = new SStudent[10];
Random rnd = new Random();
int n;
for (int i = 0; i < 10; i++)
{
students[i].fio = ("Sname" + i
);
students[i].phys = rnd.Next(2, 6);
students[i].math = rnd.Next(2, 6);
}
n = int.Parse(Console.ReadLine());
switch (n)
{
case 1:
{
list(ref students);
break;
}
case 2:
{
goodmark(ref students);
break;
}
case 3:
{
onebad(students);
break;
}
default:
{
Console.WriteLine("Error");
break;
}
}
Console.ReadKey();
}
private void Add_Click(object sender, RoutedEventArgs e)
{
if (dbname != "" && unicidbox.Text != "" && mathbox.Text != "" && namebox.Text != "" && physbox.Text != "")
{
SQLiteConnection m_dbConnection;
m_dbConnection = new SQLiteConnection("Data Source=" + dbname + ";Version=3;");
m_dbConnection.Open();
string sql4 = "SELECT unicid FROM student";
SQLiteCommand command = new SQLiteCommand(sql4, m_dbConnection);
command.ExecuteNonQuery();
try
{
string sql = "INSERT INTO student (unicid, fio) VALUES (" + unicidbox.Text + ",'" + namebox.Text + "')";
command = new SQLiteCommand(sql, m_dbConnection);
command.ExecuteNonQuery();
string sql2 = "INSERT INTO info (unicid, math, phys) VALUES (" + unicidbox.Text + "," + mathbox.Text + "," + physbox.Text + ")";
command = new SQLiteCommand(sql2, m_dbConnection);
command.ExecuteNonQuery();
SStudent stud = new SStudent();
stud.Fio = namebox.Text;
stud.Unicid = int.Parse(unicidbox.Text);
stud.Math = int.Parse(mathbox.Text);
stud.Phys = int.Parse(physbox.Text);
slist.Add(stud);
datgr.ItemsSource = null;
datgr.ItemsSource = slist;
datgr.Items.Refresh();
m_dbConnection.Close();
}
catch (Exception)
{
MessageBox.Show("Error: Invalid ID");
};
}
else
{
if (unicidbox.Text == "")
{
MessageBox.Show("Incorrect value of ID");
}
else
if (namebox.Text == "")
{
MessageBox.Show("Incorrect Name");
}
else
if (mathbox.Text == "")
{
MessageBox.Show("Incorrect value of Math");
}
else
if (physbox.Text == "")
{
MessageBox.Show("Incorrect value of Phys");
}
}
}
