private void Btntinhtien_ql_Click(object sender, EventArgs e) { this.Hide(); quanlyadmin to_quanlyadmin = new quanlyadmin(); to_quanlyadmin.ShowDialog(); this.Close(); }
private void BtnxacnhanADM_Click(object sender, EventArgs e) { try { conn = DBUtils.GetDBConnection(); conn.Open(); string stm = "SELECT * FROM dveslogin"; MySqlCommand cmd = new MySqlCommand(stm, conn); rdr = cmd.ExecuteReader(); while (rdr.Read()) { tendn = rdr.GetString("ten"); mk = rdr.GetString("matkhau"); if (txttendnADM.Text.Equals(tendn) && txtmatkhauADM.Text.Equals(mk)) { this.Hide(); quanlyadmin to_quanlyadmin = new quanlyadmin(); to_quanlyadmin.ShowDialog(); this.Close(); } else { MessageBox.Show("Sai tên đăng nhập hoặc mật khẩu !"); } } } catch (Exception) { MessageBox.Show("Error"); } finally { if (conn != null) { conn.Close(); conn.Dispose(); } } }