private void buttonAdd_Click(object sender, EventArgs e) { STUDENT student = new STUDENT(); int Id = Convert.ToInt32(textBoxId.Text); string fname = textBoxFName.Text; string lname = textBoxLName.Text; DateTime bdate = dateTimePicker1.Value; string phone = textBoxPhone.Text; string adrs = textBoxAddress.Text; string gender = "Male"; if (radioButton2.Checked) { gender = "Female"; } MemoryStream pic = new MemoryStream(); int born_year = dateTimePicker1.Value.Year; int this_year = DateTime.Now.Year; if ((this_year - born_year < 10) || ((this_year - born_year) > 100)) { MessageBox.Show("The Student Age Must Be Between 10 and 100 year", "Invalid Birth Date", MessageBoxButtons.OK, MessageBoxIcon.Error); } else if (verif()) { pictureBox1.Image.Save(pic, pictureBox1.Image.RawFormat); if (student.insertStudent(Id, fname, lname, bdate, gender, phone, adrs, pic)) { MessageBox.Show("New Student Added", "Add Student", MessageBoxButtons.OK, MessageBoxIcon.Information); } else { MessageBox.Show("Error", "Add Student", MessageBoxButtons.OK, MessageBoxIcon.Error); } } else { MessageBox.Show("Empty Fields", "Add Student", MessageBoxButtons.OK, MessageBoxIcon.Exclamation); } }