public bool CheckValidFields() { if (FieldValidation.IsValidDecimalNumericField(textBoxBudget.Text) == false) { MessageBox.Show("Invalid value typed for budget! Type another!"); return(false); } if (FieldValidation.IsValidFloatNumericField(textBoxWallsHeight.Text) == false) { MessageBox.Show("Invalid value typed for walls height! Type another!"); return(false); } if (FieldValidation.IsValidLongNumericField(textBoxTelephoneNumber.Text) == false) { MessageBox.Show("Invalid value typed for telephone number! Type another!"); return(false); } if (FieldValidation.IsValidEmail(textBoxEmailAddress.Text) == false) { MessageBox.Show("Invalid value typed for email! Type another!"); return(false); } return(true); }