private void btnAddStudent_Click(object sender, EventArgs e) { string firstName = txtAddFname.Text; string lastName = txtAddSname.Text; string email = txtAddEmail.Text; string phone = txtAddPhone.Text; string addressLine1 = txtAddAddress1.Text; string addressLine2 = txtAddAddress2.Text; string city = txtAddCity.Text; string county = cboAddCounty.SelectedItem.ToString(); string courseTitle = cboAddCourse.SelectedItem.ToString(); string level = LevelChoice(); int courseId = sd.GetCourseID(level, courseTitle); if (Validation() == 0) { errorProvider1.Clear(); AddNewStudent addStu = new AddNewStudent(firstName, lastName, email, phone, addressLine1, addressLine2, city, county, courseId); addStu.AddStudentToDb(); MessageBox.Show("Student added to database"); CancelItems(); Program.SHOW_STUDENTS.RefreshGrid(); this.Close(); } }