// Login Button (MouseClick)
private void btnLogin_Click(object sender, RoutedEventArgs e)
{
// If the username or password box are empty, print error
if (txtUsername.Text.Length < 1 || txtPassword.Password.Length < 1)
{
MessageBox.Show("Please enter a username and password before continuing!");
return;
}
try
{
// Create and open connection to DB
var sqliteCon = new SQLiteConnection(DbConnectionString);
sqliteCon.Open();
// Lookup username + password from textboxes in the DB
var query = "SELECT * FROM userinfo WHERE username = '******' AND password = '******'";
// Create a command with the SQL query and pass to the DB connection
var createCommand = new SQLiteCommand(query, sqliteCon);
// Execute the query
createCommand.ExecuteNonQuery();
// Create data reader
var dr = createCommand.ExecuteReader();
// Keep track of attempted login count
var count = 0;
while (dr.Read())
{
count++;
}
// Login logic processes username and password
switch (count)
{
case 1:
sqliteCon.Close(); // Close SQLite connection
var profile = new ProfileWindow(GetUsername); // Create new window
profile.Show(); // Show the new window
Close(); // Close the current window
break;
default:
MessageBox.Show("Username and password is incorrect! Try again!");
break;
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
// Back button (Click)
private void btnBack_Click(object sender, RoutedEventArgs e)
{
var profile = new ProfileWindow(GetUsername); // Create new window
profile.Show(); // Show the new window
Close(); // Close the current window
}
