private void btnLogin_Click(object sender, EventArgs e)
{
try
{
UserType usertype = User.Login(txtUsername.Text, txtPassword.Text);
if (usertype == UserType.Undefined)
{
throw new NullReferenceException();
}
object user = null;
Form home = null;
switch (usertype)
{
case UserType.Admin:
user = new Admin(txtUsername.Text, txtPassword.Text);
home = new AdminHome((Admin)user);
break;
case UserType.FinanceManager:
user = new FinanceManager(txtUsername.Text, txtPassword.Text);
home = new FinanceManagerHome((FinanceManager)user);
break;
case UserType.ClientManager:
user = new ClaimManager(txtUsername.Text, txtPassword.Text);
home = new ClaimManagerHome((ClaimManager)user);
break;
case UserType.Client:
user = new Client(txtUsername.Text, txtPassword.Text);
home = new ClientHome((Client)user);
break;
}
Hide();
home.ShowDialog();
txtPassword.Text = string.Empty;
Show();
} catch (NullReferenceException ex)
{
MessageBox.Show("Incorrect username or password.", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
