private void button_extension_Click(object sender, EventArgs e)
{
try
{
foreach (DataGridViewRow item in dataGridView1.SelectedRows)
{
name = item.Cells[1].Value.ToString();
id = Convert.ToInt32(item.Cells[0].Value.ToString());
tuition = Convert.ToInt32(item.Cells[2].Value.ToString());
teacher_id = Convert.ToInt32(item.Cells[3].Value.ToString());
}
Subject_Add subject_add = new Subject_Add();
subject_add.Passvalue_id = id;
subject_add.Passvalue_name = name;
subject_add.Passvalue_num = 1;
subject_add.Passvalue_techer = teacher_id;
subject_add.Passvalue_tuition = tuition;
subject_add.ShowDialog();
}
catch (Exception exception)
{
MessageBox.Show("과목을 선택해주세요", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
string query = "SELECT id as 과목번호, name as 과목명, tuition as 수강료, teacher_id as 강사번호 FROM SUBJECT ORDER BY ID ASC";
OracleDataReader rdr = DBManager.GetInstance().ExecuteReader(query);
dataGridView1.DataSource = null;
DataTable dt = new DataTable();
dt.Load(rdr);
dataGridView1.DataSource = dt;
}
private void button_Add_Click(object sender, EventArgs e)
{
Subject_Add subject_add = new Subject_Add();
subject_add.ShowDialog();
string query = "SELECT id as 과목번호, name as 과목명, tuition as 수강료, teacher_id as 강사번호 FROM SUBJECT ORDER BY ID ASC";
OracleDataReader rdr = DBManager.GetInstance().ExecuteReader(query);
dataGridView1.DataSource = null;
DataTable dt = new DataTable();
dt.Load(rdr);
dataGridView1.DataSource = dt;
}
