private void Supervisors_List_Button_Click(object sender, EventArgs e)
{
modifay_grade form2 = new modifay_grade();
form2.TopLevel = false;
form2.FormBorderStyle = FormBorderStyle.None;
form2.WindowState = FormWindowState.Maximized;
panel5.Controls.Add(form2);
panel5.Visible = true;
form2.Show();
}
private void button1_Click(object sender, EventArgs e)
{
try
{
this.connetionString = "Data Source = whitesnow.database.windows.net; Initial Catalog = Mazal; Integrated Security = False; User ID = Grimm; Password = #!7Dwarfs; Connect Timeout = 15; Encrypt = False; TrustServerCertificate = True; ApplicationIntent = ReadWrite; MultiSubnetFailover = False; MultipleActiveResultSets=true";
this.sqlcon = new SqlConnection(connetionString);
SqlCommand cmd = new SqlCommand("select * from Person where ID ='" + stud_id.Text + "' and Permission = 'Student'", sqlcon);
if (!checkString(stud_id.Text, "ID") || !checkString(course_id.Text, "Course"))
{
this.Close();
MessageBox.Show("Try again, this is not a correct ID!");
modifay_grade form2 = new modifay_grade();
form2.Show();
}
else
{
this.sqlcon.Open();
SqlDataReader dr = cmd.ExecuteReader();
if (dr.Read() == true)
{
dr.Close();
cmd = new SqlCommand("select * from Teaching_Stuff where ID ='" + Utility.User.ID + "' and Course_id='" + course_id.Text + "'", sqlcon);
dr = cmd.ExecuteReader();
if (dr.Read() == true)
{
if (Int32.Parse(stud_grade.Text) >= 0 && Int32.Parse(stud_grade.Text) <= 100)
{
dr.Close();
cmd = new SqlCommand("update Student_Courses set final_grade = '" + stud_grade.Text + "' where Course_id='" + course_id.Text + "' and stud_Id = '" + stud_id.Text + "' and Type = 1", sqlcon);
SqlDataAdapter sda = new SqlDataAdapter();
sda.SelectCommand = cmd;
DataTable dbdataset = new DataTable();
sda.Fill(dbdataset);
BindingSource bsource = new BindingSource();
bsource.DataSource = dbdataset;
sda.Update(dbdataset);
MessageBox.Show("Changed grade succesfully!");
this.sqlcon.Close();
this.Close();
}
else
{
throw new ArgumentException("Grade have to be 0-100! ");
}
}
else
{
throw new ArgumentException("Try again, you do not teach such a course!");
}
}
else
{
throw new ArgumentException("Try again, there is not such student in our department!");
}
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
this.Close();
modifay_grade form2 = new modifay_grade();
form2.Show();
}
this.sqlcon.Close();
this.Close();
}
