private void btnLogin_Click(object sender, EventArgs e)
{
if (!String.IsNullOrEmpty(txtUsername.Text) && !String.IsNullOrEmpty(txtPassword.Text) && !String.IsNullOrEmpty(txtRePassword.Text))
{
if (txtPassword.Text != txtRePassword.Text)
{
MessageBox.Show("Die Passwörter stimmen nicht überein!");
return;
}
using (CarSharingDBEntitiesNew context = new CarSharingDBEntitiesNew())
{
User User1 = new User()
{
Username = txtUsername.Text,
Password = HashHelper.ComputeHash(txtPassword.Text, "SHA512", null)
};
context.User.Add(User1);
context.SaveChanges();
MessageBox.Show("Deine Daten wurden erfolgreich gespeichert!");
}
}
else
{
MessageBox.Show("Bitte fülle alle Felder aus!");
}
}
private void btbLogin_Click(object sender, EventArgs e)
{
if (!String.IsNullOrEmpty(txtUsername.Text) || !String.IsNullOrEmpty(txtPassword.Text))
{
using (CarSharingDBEntitiesNew context = new CarSharingDBEntitiesNew())
{
User user = context.User.FirstOrDefault(u => u.Username == txtUsername.Text);
if (user == null)
{
MessageBox.Show("User existiert nicht!");
return;
}
var isValid = HashHelper.VerifyHash(txtPassword.Text, "SHA512", user.Password);
if (isValid)
{
MessageBox.Show("Login erfolgreich!");
this.Hide();
MainForm formMainForm = new MainForm();
formMainForm.ShowDialog();
}
else
{
MessageBox.Show("Passwort stimmt nicht!");
}
}
}
}
public FarbeBearbeiten()
{
InitializeComponent();
_context = new CarSharingDBEntitiesNew();
}
