//For signing into an account
private void Button_SignIn(object sender, RoutedEventArgs e)
{
if (!(String.IsNullOrEmpty(userNameTxt.Text) || String.IsNullOrEmpty(passwordtxt.Password)))
{
bool userexists = ddb.CheckUsernameExists(userNameTxt.Text);
if (userexists == true)
{
string username = ddb.GetUsername(userNameTxt.Text);
string password = ddb.GetPassword(userNameTxt.Text);
if (username == userNameTxt.Text && passwordtxt.Password == password)
{
BookShelf bookShelf = new BookShelf(userNameTxt.Text);
bookShelf.Show();
bookShelf.Owner = this;
this.Hide();
userNameTxt.Text = "";
passwordtxt.Password = "";
}
else
{
MessageBox.Show("Check your Credentials", "Error !!!!");
}
}
}
else
{
MessageBox.Show("Fill in your credentials", "Error !!!!");
}
}