private void btnback_Click(object sender, EventArgs e) { this.Hide(); HR ss = new HR(); ss.Show(); }
private void btnlogin_Click(object sender, EventArgs e) { string usertype; string username; string userpassword; usertype = comtype.SelectedItem.ToString(); username = txtname.Text; userpassword = txtpw.Text; MySqlConnection sqlCon = null; string connection; connection = "server =127.0.0.1;database =payrollmanagments; user =root;Sslmode= none"; sqlCon = new MySqlConnection(connection); sqlCon.Open(); MySqlCommand command; MySqlDataReader reader; if (usertype == "System Administrator") { command = new MySqlCommand(@"SELECT* FROM systemadmin WHERE SystemAdminName='" + username + "'", sqlCon); reader = command.ExecuteReader(); reader.Read(); if (reader.HasRows) { string databaseUserName; string databasePassword; databaseUserName = reader.GetString(0); databasePassword = reader.GetString(2); if (userpassword == databasePassword) { this.Hide(); SystemAdminPage ss = new SystemAdminPage(); ss.Show(); } else { MessageBox.Show("Invalied Password"); } } else { MessageBox.Show("Invalied User name!"); } } else if (usertype == "HR") { command = new MySqlCommand(@"SELECT* FROM hr WHERE Name='" + username + "'", sqlCon); reader = command.ExecuteReader(); reader.Read(); if (reader.HasRows) { string databaseUserName; string databasePassword; databaseUserName = reader.GetString(1); databasePassword = reader.GetString(2); if (userpassword == databasePassword) { this.Hide(); HR ss = new HR(); ss.Show(); } else { MessageBox.Show("Invalied Password"); } } else { MessageBox.Show("Invalied User name!"); } } else if (usertype == "Employee") { command = new MySqlCommand(@"SELECT* FROM employee WHERE EmployeeName='" + username + "'", sqlCon); reader = command.ExecuteReader(); reader.Read(); if (reader.HasRows) { string databaseUserName; string databasePassword; databaseUserName = reader.GetString(1); databasePassword = reader.GetString(2); if (userpassword == databasePassword) { this.Hide(); Employee ss = new Employee(); ss.Show(); } else { MessageBox.Show("Invalied Password"); } } else { MessageBox.Show("Invalied User name!"); } } }