private void button1_Click(object sender, EventArgs e) { checking c = new checking("n"); c.Show(); this.Hide(); }
private void button1_Click(object sender, EventArgs e) { if (string.IsNullOrEmpty(this.textBox1.Text)) { MessageBox.Show("enter Password!!"); } else { // authenticating login string userName = (String)comboBox1.SelectedItem; try { //you need to add your server name to connect on your computer String conString = "server=DESKTOP-C7FFPE6\\MSSQLSERVER01; database=patientMoniter; Integrated Security=SSPI;"; String Query = "select * from loginUser where userName='******'"; SqlConnection connect = new SqlConnection(conString); SqlCommand command = new SqlCommand(Query, connect); SqlDataReader reader; connect.Open(); reader = command.ExecuteReader(); string password = ""; while (reader.Read()) { password = (string)reader["password"]; } String eneteredPassword = textBox1.Text; if (eneteredPassword == password) { checking c = new checking(userName); c.Show(); this.Hide(); } else { MessageBox.Show("Wrong Password"); } connect.Close(); } catch (Exception ex) { MessageBox.Show(ex.Message); } } }