//InternetGetConnectedState(out Des, 0).ToString() private void btnLogin_Click(object sender, EventArgs e) { if (InternetConnection.getConnection() == false) { //validate inputs try { if (string.IsNullOrEmpty(txtusername.Text) || txtusername.Text == "Username") { throw new Exception("Enter Username"); } if (string.IsNullOrEmpty(txtPassword.Text) || txtPassword.Text == "Password") { throw new Exception("Enter Password"); } else if (txtPassword.Text.Length == 12 && txtPassword.Text.Substring(0, 8) == UserLogin.GET_UserPass) { UserInfor.setUser(txtusername.Text); this.Hide(); var Test = new QuickTestFrm(); Test.Show(); this.Close(); } else { throw new Exception("Incorrect Username or Password "); } } catch (Exception ex) { MessageBox.Show(ex.Message, "Login Error", MessageBoxButtons.OK, MessageBoxIcon.Information); } } else { try { ///CODE THE ONLINE LOGIN HERE if (string.IsNullOrEmpty(txtusername.Text) || txtusername.Text == "Username") { throw new Exception("Enter Username"); } if (string.IsNullOrEmpty(txtPassword.Text) || txtPassword.Text == "Password") { throw new Exception("Enter Password"); } else if (string.IsNullOrEmpty(txtusername.Text) == false && string.IsNullOrEmpty(txtPassword.Text) == false) { //if (UserInfor.Passwords.Contains(txtPassword.Text) && UserInfor.Users.Contains(txtusername.Text) ) //UserInfor.setUser(txtusername.Text); if (InternetConnection.getConnection() == false) { throw new Exception("No Internet Connection"); } string LoginUser = "******" + txtusername.Text + "' AND userslogin.Password ='******'"; MySqlDataAdapter adapter = new MySqlDataAdapter(LoginUser, con); DataTable dt = new DataTable(); adapter.Fill(dt); int x = dt.Rows.Count; if (x < 2 && x > 0) { foreach (DataRow dr in dt.Rows) { Online_Exam_Answers.UserID = Int32.Parse(dr[0].ToString()); UserInfor.setUser(dr[1].ToString()); } this.Hide(); DName(); var Test = new QuickTestFrm(); Test.Show(); this.Close(); } else { throw new Exception("Incorrect Username or Password "); } } else { throw new Exception("Incorrect Username or Password "); } } catch (Exception ex) { MessageBox.Show(ex.Message, "Login Error", MessageBoxButtons.OK, MessageBoxIcon.Information); } } }
private void txtPassword_KeyDown(object sender, KeyEventArgs e) { if (e.KeyValue == (char)Keys.Enter) { if (InternetConnection.getConnection() == false) { try { if (string.IsNullOrEmpty(txtusername.Text) || txtusername.Text == "Username") { throw new Exception("Enter Username"); } if (string.IsNullOrEmpty(txtPassword.Text) || txtPassword.Text == "Password") { throw new Exception("Enter Password"); } else if (txtPassword.Text.Length == 12 && txtPassword.Text.Substring(0, 8) == UserLogin.GET_UserPass) { UserInfor.setUser(txtusername.Text); this.Hide(); DName(); var Test = new QuickTestFrm(); Test.Show(); this.Close(); } else { throw new Exception("Incorrect Username or Password "); } } catch (Exception ex) { MessageBox.Show(ex.Message, "Login Error", MessageBoxButtons.OK, MessageBoxIcon.Information); } } else { try { //CODE THE ONLINE LOGIN HERE if (string.IsNullOrEmpty(txtusername.Text) || txtusername.Text == "Username") { throw new Exception("Enter Username"); } if (string.IsNullOrEmpty(txtPassword.Text) || txtPassword.Text == "Password") { throw new Exception("Enter Password"); } else if (UserInfor.Passwords.Contains(txtPassword.Text) && UserInfor.Users.Contains(txtusername.Text)) { UserInfor.setUser(txtusername.Text); this.Hide(); var Test = new QuickTestFrm(); Test.Show(); this.Close(); } else { throw new Exception("Incorrect Username or Password "); } } catch (Exception ex) { MessageBox.Show(ex.Message, "Login Error", MessageBoxButtons.OK, MessageBoxIcon.Information); } } } }