private void btnMenu_Click(object sender, EventArgs e)
{
this.Close();
menu screen = new menu();
screen.Show();
}
private void btnMenu_Click(object sender, EventArgs e)
{
menu menu = new menu();
this.Close();
menu.Show();
}
private void button1_Click(object sender, EventArgs e)
{
if (textBox1.Text == "Admin" && textBox2.Text.ToString() == "123")
{
menu page2 = new menu();
page2.Show();
Hide();
}
else
{
lblErrorText.Text = "Invalid username or password";
lblErrorText.ForeColor = Color.Red;
}
}
public void UserNamePasswordValidation(Action ac)
{
string path = @"Data\Login\";
path += usrnmTextBox.Text;
if (ac == Action.CREATE)
{
if (usrnmTextBox.Text == "User Name" || usrnmTextBox.Text == "")
{
MessageBox.Show("Error! Enter valid username!");
usrnmTextBox.Focus();
}
else if (passwordTextBox.Text == "Password" || passwordTextBox.Text == "")
{
MessageBox.Show("Error! Enter valid password!");
passwordTextBox.Focus();
}
else // UserName and Password are non-empty. We can create account.
{
try
{
if (File.Exists(path))
{
MessageBox.Show("Sorry! User already exists.");
return;
}
// Create a file to write to.
using (StreamWriter sw = File.CreateText(path))
{
sw.WriteLine(Encrypt(passwordTextBox.Text));
}
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString());
}
}
}
else if (ac == Action.LOGIN)
{
try
{
using (StreamReader sr = new StreamReader(path))
{
string password;
password = sr.ReadLine();
if (Decrypt(password) == passwordTextBox.Text)
{
mainMenu.Tag = this;
mainMenu.Show(this);
Hide();
}
else
{
MessageBox.Show("Sorry! Incorrect password! Try again.");
}
}
}
catch (Exception e)
{
// Let the user know what went wrong.
MessageBox.Show("Sorry! User doesn't exists!");
}
}
else if (ac == Action.CHANGEPASSWORD)
{
try
{
using (StreamReader sr = new StreamReader(path))
{
string password;
password = sr.ReadLine();
sr.Close();
changePasswordForm chPassForm = new changePasswordForm();
chPassForm.savedPassword = Decrypt(password);
chPassForm.savedUser = usrnmTextBox.Text;
chPassForm.Tag = this;
chPassForm.ShowDialog(this);
}
}
catch (Exception e)
{
// Let the user know what went wrong.
MessageBox.Show("Sorry! User doesn't exists!");
}
}
}
