private void button9_Click(object sender, EventArgs e) { MenuOffical frm = new MenuOffical(); frm.MdiParent = this.ParentForm; this.Close(); frm.Show(); }
private void button1_Click(object sender, EventArgs e) { this.DialogResult = DialogResult.OK; MenuOffical frm = new MenuOffical(); frm.MdiParent = this.ParentForm; this.Close(); frm.Show(); }
private void button2_Click(object sender, EventArgs e) { MessageBox.Show("Cám Ơn Bạn Đã Ghé Thăm"); MenuOffical frm = new MenuOffical(); frm.MdiParent = this.ParentForm; this.Close(); frm.Show(); }
private void button4_Click(object sender, EventArgs e) { //lay computer name: System.Environment.MachineName string tendn = textBox1.Text; string strDbPath = Application.StartupPath + @"\CodeChildren1Offical.mdb"; string strCnn = "Provider = Microsoft.Jet.OleDb.4.0; Data Source = " + strDbPath; OleDbConnection cnn = new OleDbConnection(strCnn); DataTable dtt = new DataTable(); OleDbDataAdapter da = new OleDbDataAdapter("Select * from UserOffline", cnn); da.Fill(dtt); if (dtt.Rows.Count == 0) { DataTable dt = new DataTable(); dt = cn.Select("SELECT * FROM ChildrenCode where username='******' and password='******' "); if (dt.Rows.Count == 1) { Session.TenDN = textBox1.Text; Session.MatKhau = MaHoa.MD5Hash(MaHoa.MD5Hash(textBox2.Text)); GetMac frm1 = new GetMac(); Session.Mac = frm1.GetMACAddress(); string a = frm1.GetMACAddress(); cn.ExecuteSQL("Update ChildrenCode set cpname='" + System.Environment.MachineName + "' where username='******' and password='******'"); DataTable dttt = new DataTable(); dttt = cn.Select("SELECT email, name, username, password, phone, cpname,phone FROM ChildrenCode where username='******' and password='******' "); if (dttt.Rows.Count == 1) { try { string email = dt.Rows[0]["email"].ToString(); string pass = dt.Rows[0]["password"].ToString(); string cpname = dt.Rows[0]["cpname"].ToString(); string name = dt.Rows[0]["name"].ToString(); string username = dt.Rows[0]["username"].ToString(); string phone = dt.Rows[0]["phone"].ToString(); string duongdan = Application.StartupPath + @"\CodeChildren1Offical.mdb"; string strCn = "Provider = Microsoft.Jet.OleDb.4.0; Data Source = " + duongdan; OleDbConnection con = new OleDbConnection(strCn); string sql = @"INSERT INTO UserOffline VALUES (@p1,@p2,@p3,@p4,@p5,@p6)"; OleDbCommand cmd = new OleDbCommand(sql, con); con.Open(); cmd.Parameters.AddWithValue("@p1", email); // if you have date time column give DateTime object as value cmd.Parameters.AddWithValue("@p2", username); cmd.Parameters.AddWithValue("@p3", pass); cmd.Parameters.AddWithValue("@p4", cpname); cmd.Parameters.AddWithValue("@p5", name); cmd.Parameters.AddWithValue("@p6", phone); cmd.ExecuteNonQuery(); con.Close(); } catch (Exception ex) { MessageBox.Show(ex.ToString()); } } ShowTaskbar(); //Registry.SetValue("HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Policies\\System\\", "DisableTaskMgr", "0", Microsoft.Win32.RegistryValueKind.DWord); //Registry.SetValue("HKEY_CURRENT_USER\\Software\\Policies\\Microsoft\\Windows\\System\\", "DisableCMD", "0", Microsoft.Win32.RegistryValueKind.DWord); MenuOffical frm = new MenuOffical(); frm.MdiParent = this.ParentForm; this.Close(); frm.Show(); } } else { if (dtt.Rows.Count == 1) { try { cnn.Open(); string strSql = "SELECT COUNT(*) FROM UserOffline WHERE UserName = @textBox1 AND Password = @textBox2"; OleDbCommand cmd = new OleDbCommand(strSql, cnn); cmd.Parameters.AddWithValue("@textBox1", textBox1.Text); cmd.Parameters.AddWithValue("@textBox2", MaHoa.MD5Hash(MaHoa.MD5Hash(textBox2.Text))); Session.TenDN = textBox1.Text; Session.MatKhau = MaHoa.MD5Hash(MaHoa.MD5Hash(textBox2.Text)); if (Convert.ToBoolean(cmd.ExecuteScalar())) { MessageBox.Show("Login successful !!!"); ShowTaskbar(); //Registry.SetValue("HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Policies\\System\\", "DisableTaskMgr", "0", Microsoft.Win32.RegistryValueKind.DWord); //Registry.SetValue("HKEY_CURRENT_USER\\Software\\Policies\\Microsoft\\Windows\\System\\", "DisableCMD", "0", Microsoft.Win32.RegistryValueKind.DWord); MenuOffical frm = new MenuOffical(); frm.MdiParent = this.ParentForm; this.Close(); frm.Show(); } else { MessageBox.Show("Invalid Username Or Password - Please Login Again !!"); } cnn.Close(); } catch (Exception exc) { MessageBox.Show(exc.Message); } } else { } } }