private void pictureBox1_Click(object sender, EventArgs e) { MenuUtama mu = new MenuUtama(); mu.Show(); this.Hide(); }
private void button1_Click(object sender, EventArgs e) { string nama = textBox1.Text; string pswd = textBox2.Text; Koneksi conn = new Koneksi(); SqlConnection koneksi = conn.con(); koneksi.Open(); SqlCommand sqllogin = new SqlCommand("Select * from tb_Admin where nama = @nama", koneksi); SqlParameter sqlP; sqlP = sqllogin.Parameters.Add("@nama", SqlDbType.VarChar, 15); sqlP.Value = nama; try { SqlDataReader reader = sqllogin.ExecuteReader(); if (reader.Read()) { string id = reader[0].ToString(); string user = reader[1].ToString(); string password = reader[5].ToString(); if (nama == user && pswd == password) { string status = "Yes"; koneksi = conn.con(); koneksi.Open(); SqlCommand sqlupdate = new SqlCommand("update tb_Admin set status = @status where nama = @nama", koneksi); using (sqlupdate) { sqlupdate.Parameters.AddWithValue("@status", status); sqlupdate.Parameters.AddWithValue("@nama", nama); int result = sqlupdate.ExecuteNonQuery(); if (result != 0) { FileStream fs = new FileStream("tempadmin.txt", FileMode.Append, FileAccess.Write); StreamWriter sw = new StreamWriter(fs); sw.WriteLine(id); sw.Flush(); sw.Close(); fs.Close(); MenuUtama mu = new MenuUtama(); mu.Show(); this.Hide(); } } } else { MessageBox.Show("Login Gagal, Cek Nama Dan Password Anda!"); textBox1.Text = ""; textBox2.Text = ""; } } } catch (Exception) { MessageBox.Show("Gagal"); textBox1.Text = ""; textBox2.Text = ""; } finally { koneksi.Close(); } }