public WorkForm(Teacher teacher, FormLogin parentForm, StudentServiceClient proxy)
{
InitializeComponent();
_teacher = teacher;
_parrentForm = parentForm;
_proxy = proxy;
}
static void Main()
{
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
FormLogin form = new FormLogin();
form.ShowDialog();
if (StatusCode == 1)
{
Application.Run(new FormMain());
}
}
public FormClient()
{
InitializeComponent();
FormLogin login = new FormLogin();
if (login.ShowDialog() != DialogResult.OK)
{
Dispose();
Application.Exit();
}
}
// Connect
void Connect()
{
IP = new IPEndPoint(IPAddress.Parse(IPaddress), 7421);
Client = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
try
{
Client.Connect(IP);
}
catch
{
FormLogin fLogin = new FormLogin();
MessageBox.Show("Không thể kết nối server !", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
Thread listen = new Thread(Receive);
listen.IsBackground = true;
listen.Start();
Client.Send(Serialize(User + Temp + "Đã kết nối"));
}
static void Main()
{
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
bool loginSuccessful = false;
FormLogin login = new FormLogin();
if (login.ShowDialog() == DialogResult.OK)
{
// Attempt login
}
if (true) // TODO Login successful
{
Application.Run(new FormMain());
}
}
private void Form1_Load(object sender, EventArgs e)
{
FormLogin fLogin = new FormLogin();
try
{
this.Show();
// AttempLogin();
fLogin.ShowDialog(this);
fLogin.Dispose();
User = fLogin.textBox1.Text;
label1.Text = User;
IPaddress = fLogin.textBox_IP.Text;
Connect();
// Client.Send(Serialize(User + Temp + "Connect"));
labelIP.Visible = true;
labelIP.Text = Client.RemoteEndPoint.ToString();
}
catch (Exception ex)
{
MessageBox.Show("Không thể kết nối Server. Vui lòng thực hiện lại đăng nhập !!!", this.Text, MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
this.Dispose();
}
}
private void LoginButton_Click(object sender, EventArgs e)
{
MainForm mainForm = new MainForm();
FormLogin loginForm = new FormLogin();
//Login authentificator
SqlConnection con = new SqlConnection(Properties.Settings.Default.connString);
con.Open();
SqlDataAdapter sda = new SqlDataAdapter("select count (*) from UsersInfo where loginName ='" + NameTextBox.Text + "' and password ='******'", con);
DataTable dt = new DataTable();
sda.Fill(dt);
if (dt.Rows[0][0].ToString() == "1")
{
mainForm.Show();
this.Hide();
}
else
{
MessageBox.Show("USER DOES NOT EXIST", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
/* MainForm mainForm = new MainForm();
* FormLogin loginForm = new FormLogin();
*
* if (isPasswordOk() && isNameOk())
* {
* using (SqlConnection connection = new SqlConnection(Properties.Settings.Default.connString))
* {
* const String sql = "SELECT * FROM UsersInfo WHERE loginName = '@LoginName' AND 'password' = @Password";
*
* using (SqlCommand sqlCommand = new SqlCommand(sql, connection))
* {
* sqlCommand.Parameters.Add(new SqlParameter("@LoginName", SqlDbType.VarChar, 50));
* sqlCommand.Parameters["@LoginName"].Value = NameTextBox.Text;
*
* sqlCommand.Parameters.Add(new SqlParameter("@Password", SqlDbType.VarChar, 50));
* sqlCommand.Parameters["@Password"].Value = PasswordTextbox.Text;
*
* try
* {
* connection.Open();
*
* SqlDataReader dataReader = sqlCommand.ExecuteReader();
* if ((dataReader.Read() == true))
* {
* MessageBox.Show("Logged in");
* mainForm.Show();
* this.Hide();
* }
* else
* {
* MessageBox.Show("USER DOES NOT EXIST", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
*
* }
* }
*
* catch
* {
* MessageBox.Show("Some SQL error", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
* }
* finally
* {
* ClearForm();
* connection.Close();
* }
* }
* }
* } */
}
