private void OnKeyDown(object sender, KeyEventArgs e)
{
switch (e.KeyCode)
{
case Keys.Enter:
LoginBtn_Click(LoginBtn, new EventArgs());
break;
case Keys.Tab:
//override of tab function 'cause inside notepad++ it doesn't work in the regular way!
Control ctr = sender as Control;
if (ctr != null)
{
switch (ctr.Name)
{
case "usernameTxt":
passwordTxt.Focus();
break;
case "passwordTxt":
LoginBtn.Focus();
break;
}
}
break;
}
}
public void Login()
{
User defaultUser = User.GetDefaultCredentials();
UsernameField.SetValue(defaultUser.Username);
PasswordField.SetValue(defaultUser.Password);
Thread.Sleep(500);
LoginBtn.Focus();
LoginBtn.Click();
//WaitUntilNotVisible(LoginBtn);
}
protected override void OnAppearing()
{
base.OnAppearing();
LoginBtn.Focus();
}
//radio leave focus login button
private void Admin_Leave(object sender, EventArgs e)
{
LoginBtn.Focus();
}
private void LoginBtn_Click(object sender, EventArgs e)
{
String username = usernameInput.Text;
String password = passwordInput.Text;
String encryptedpwd = "";
if (username == "")
{
MessageBox.Show("Username is required.", "Input Error");
usernameInput.Focus();
}
else if (password == "")
{
MessageBox.Show("Password is required.", "Input Error");
passwordInput.Focus();
}
else
{
byte[] hashBytes = Encoding.UTF8.GetBytes(password);
using (MD5CryptoServiceProvider md5 = new MD5CryptoServiceProvider())
{
hashBytes = md5.ComputeHash(hashBytes);
StringBuilder stringBuilder = new StringBuilder();
foreach (byte b in hashBytes)
{
stringBuilder.Append(b.ToString("X2"));
}
encryptedpwd = stringBuilder.ToString().ToLower();
}
String connectionStr = "datasource=localhost;port=3306;username=root;password=;database=prototype;";
MySqlConnection cnn = new MySqlConnection(connectionStr);
String query = "SELECT Username, Password, Status, Role FROM users WHERE Username = @username";
MySqlCommand command = new MySqlCommand(query, cnn);
command.Parameters.AddWithValue("@username", username);
command.CommandTimeout = 60;
MySqlDataReader reader;
try
{
cnn.Open();
reader = command.ExecuteReader();
if (reader.HasRows)
{
while (reader.Read())
{
String pwd = reader.GetString(1);
if (pwd != encryptedpwd)
{
MessageBox.Show("Password is incorrect", "Password not match");
passwordInput.Text = "";
passwordInput.Focus();
}
else
{
Boolean state = reader.GetBoolean(2);
if (!state)
{
MessageBox.Show("This account is not disabled. Please contact the administrator.", "Account disabled");
LoginBtn.Focus();
}
else
{
String role = reader.GetString(3);
Boolean isAdmin = false;
if (role == "Admin")
{
isAdmin = true;
}
this.Hide();
dashboardPage dashboard = new dashboardPage(username, isAdmin);
dashboard.Show();
}
}
}
}
else
{
MessageBox.Show("Username is unregistered.", "Username not exist");
usernameInput.Text = "";
usernameInput.Focus();
}
}
catch (Exception err)
{
MessageBox.Show(err.Message);
}
}
}
private void frmLogin_Load(object sender, EventArgs e)
{
LoginBtn.Focus();
}
public void InitialFocus()
{
LoginBtn.Focus();
}
private void RegisterBtn_Leave(object sender, EventArgs e)
{
LoginBtn.Focus();
}
