private void button1_Click(object sender, EventArgs e) { _2 m = new _2(textBox2.Text); m.Show(); Visible = false; }
private void button3_Click(object sender, EventArgs e) { if (textBox1.Text == "" || dateTimePicker1.Text == "" || label7.Text == "" || comboBox3.Text == "") { MessageBox.Show("กรุณาป้อนข้อมูลให้ครบด้วยค่ะ", "ผลการตรวจสอบ", MessageBoxButtons.OK, MessageBoxIcon.Warning); } else { string sql = "SELECT * FROM orders WHERE ID_ORDERS ='" + textBox1.Text + "'"; string ConnectStrin = "datasource = localhost; username= root;" + "password=; database = database;CharSet=UTF8"; MySqlConnection coq = new MySqlConnection(ConnectStrin); MySqlCommand cmdz = new MySqlCommand(sql, coq); coq.Open(); MySqlDataReader reader = cmdz.ExecuteReader(); DataSet s = new DataSet(); string ConnectStrinz = "datasource = localhost; username= root;" + "password=; database = database;CharSet=UTF8"; string sqlq = "SELECT * FROM orders WHERE ID_ORDERS ='" + textBox1.Text + "'"; MySqlConnection coqq = new MySqlConnection(ConnectStrinz); MySqlCommand cm = new MySqlCommand(sqlq, coqq); MySqlDataAdapter da = new MySqlDataAdapter(cm); da.Fill(s); int i = s.Tables[0].Rows.Count; if (i > 0) { MessageBox.Show("มีรหัสสั่งซื้อ " + textBox1.Text + " แล้วกรุณาเปลี่ยน"); s.Clear(); } else { string sqlT = "INSERT INTO orders(ID_ORDERS,ORDER_DATE,STATUS,COMPANY_ID_COMPANY,EMPLOYEE_ID_EMPLOYEES) VALUES ('" + textBox1.Text + "','" + dateTimePicker1.Value.ToString("yyyy-MM-dd") + "','" + label7.Text + "','" + comboBox3.Text + "','" + textBox2.Text + "')"; string ConnectStringT = "datasource = localhost; username= root;" + "password=; database = database;CharSet=UTF8;Convert Zero Datetime=True"; MySqlConnection conT = new MySqlConnection(ConnectStringT); MySqlCommand cmdT = new MySqlCommand(sqlT, conT); conT.Open(); MySqlDataReader readerT = cmdT.ExecuteReader(); _2 m = new _2(textBox2.Text); m.Show(); Visible = false; } } }