private void btnEnter_Click(object sender, RoutedEventArgs e)
{
//2. Set variables equal to text output
string strUsername = txtUsername.Text;
string strPassword = txtPassword.Text;
//2. Check if fields are filled out
if (strUsername.Length == 0 || strPassword.Length == 0)
{
MessageBox.Show("Please enter a username and password.");
return;
}
//3. Check if username already exists
if (CheckUserName(strUsername) == false)
{
txtUsername.Text = "";
txtPassword.Text = "";
MessageBox.Show("Username already exists");
return;
}
//4. Instantiate a new instance
LoginCredentials loginUpdate = new LoginCredentials(strUsername.Trim(), strPassword.Trim());
//5. Send message box message to allow user to continue
MessageBoxResult messageBoxResult = MessageBox.Show("Do you want to proceed with user authentication?"
+ Environment.NewLine
, "Create New User Login"
, MessageBoxButton.YesNo);
//6. If 'yes' is selected, append to file, clear contents
if (messageBoxResult == MessageBoxResult.Yes)
{
loginCredential.Add(loginUpdate);
Append(loginUpdate);
Clear();
MessageBox.Show("New User Saved!");
Login winLogin = new Login();
winLogin.Show();
this.Close();
}
}