private void button4_Click(object sender, EventArgs e)
{
this.Hide();
SystemAdminPage ss = new SystemAdminPage();
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!");
}
}
}
