private void btnLogin_Click(object sender, RoutedEventArgs e)
{
//processing with the database
DataAccessLayer dataAccessLayer = new DataAccessLayer();
foreach (Administrator admin in dataAccessLayer.QueryAdministratorByAll())
{
if (txtUsername.Text.ToString() == admin.Name && passwordBox.Password == admin.Password)
{
IsLogin = true;
this.Close();
}
}
if (IsLogin == false)
{
MessageBox.Show("帐号或密码错误！");
passwordBox.Password = null;
}
}
public MainWindow()
{
this.WindowStartupLocation = WindowStartupLocation.CenterScreen;
InitializeComponent();
DataAccessLayer dataAccessLayer = new DataAccessLayer();
if (dataAccessLayer.DataBaseInit() == false)
{
MessageBox.Show("数据库连接失败！");
this.Close();
}
else if (dataAccessLayer.QueryAdministratorByAll().Count() == 0)
{
//MessageBox.Show(dataAccessLayer.QueryAdministratorByAll().Count().ToString());
FirstUse_Window firstUseWnd = new FirstUse_Window();
firstUseWnd.WindowStartupLocation = WindowStartupLocation.CenterScreen;
firstUseWnd.ShowDialog();
}
}
