private void ButtonLogin_Click(object sender, EventArgs e)
{
using (var db = new QLBHDataContext())
{
var user = db.Users.SingleOrDefault(u => u.f_Username.Equals(textBoxUsername.Text));
if (user != null)
{
EncryptPassword encryptPw = new EncryptPassword();
if (encryptPw.IsPasswordValid(textBoxPassword.Text, user.f_Password))
{
MessageBox.Show("Logged in successfully!");
}
else
{
MessageBox.Show("Login failed!");
}
}
else
{
MessageBox.Show("Login failed!");
}
}
}
private void ButtonOK_Click(object sender, EventArgs e)
{
using (var db = new QLBHDataContext())
{
var newUser = GetUser();
if (db.Users.FirstOrDefault(u => u.f_Username.Equals(newUser.f_Username)) == null)
{
db.Users.InsertOnSubmit(newUser);
db.SubmitChanges();
MessageBox.Show("Signed up successfully!");
}
else
{
MessageBox.Show("Username already exists! Please try other username!");
}
}
}
