public bool ValidateEdition() { String errors = ""; String line = ""; bool focusSetted = false; if (String.IsNullOrWhiteSpace(NameTextBox.Text) && String.IsNullOrWhiteSpace(FirstNameTextBox.Text)) { errors += line + "Name and first name can't be empty."; line = "\n"; if (!focusSetted) { if (String.IsNullOrWhiteSpace(NameTextBox.Text)) { NameTextBox.Focus(); NameTextBox.SelectAll(); } else { FirstNameTextBox.Focus(); FirstNameTextBox.SelectAll(); } focusSetted = true; } } if (String.IsNullOrWhiteSpace(EmailTextBox.Text)) { //errors += line + "Email can't be empty."; //line = "\n"; //if (!focusSetted) //{ // EmailTextBox.Focus(); // EmailTextBox.SelectAll(); // focusSetted = true; //} } else if (!UserUtil.validateEmail(EmailTextBox.Text)) { errors += line + "Wrong email format."; line = "\n"; if (!focusSetted) { EmailTextBox.Focus(); EmailTextBox.SelectAll(); focusSetted = true; } } if (String.IsNullOrWhiteSpace(LoginTextBox.Text)) { errors += line + "Login can't be empty."; line = "\n"; if (!focusSetted) { LoginTextBox.Focus(); LoginTextBox.SelectAll(); focusSetted = true; } } if (String.IsNullOrWhiteSpace(PasswordTextBox.Password)) { errors += line + "Password can't be empty."; line = "\n"; if (!focusSetted) { PasswordTextBox.Focus(); PasswordTextBox.SelectAll(); focusSetted = true; } } else if (!Util.UserUtil.validatePassword(PasswordTextBox.Password, ConfirmPasswordTextBox.Password)) { errors += line + "Password does not match."; line = "\n"; if (!focusSetted) { ConfirmPasswordTextBox.Focus(); ConfirmPasswordTextBox.SelectAll(); focusSetted = true; } } bool isValid = String.IsNullOrWhiteSpace(errors); this.Console.Text = errors; this.Console.Visibility = isValid ? Visibility.Collapsed : Visibility.Visible; return(isValid); }