| Spread.Sheets Documentation > Developer's Guide > Managing Data > Using Spread.Sheets with AngularJS > Using the Validator Element |
The validator elements are numberValidator, dateValidator, textLengthValidator, formulaValidator, formulaListValidator, and listValidator.
The following table lists the attributes of the base validator.
| Attribute | API Reference | Type |
| errorMessage | DefaultDataValidator.errorMessage | string |
| errorStyle | DefaultDataValidator.errorStyle | GC.Spread.Sheets.DataValidation.ErrorStyle |
| errorTitle | DefaultDataValidator.errorTitle | string |
| ignoreBlank | DefaultDataValidator.ignoreBlank | boolean |
| inCellDropdown | DefaultDataValidator.inCellDropdown | Boolean |
| inputMessage | DefaultDataValidator.inputMessage | string |
| inputTitle | DefaultDataValidator.inputTitle | string |
| showErrorMessage | DefaultDataValidator.showErrorMessage | Boolean |
| showInputMessage | DefaultDataValidator.showInputMessage | Boolean |
The numberValidator element has no child elements. The following table lists the attributes of the numberValidator element.
| Attribute | API Reference | Type |
| comparisonOperator | DefaultDataValidator.createNumberValidator(comparisonOperator, value, value2, isIntegerValue) | GC.Spread.Sheets.ConditionalFormatting.ComparisonOperators |
| isIntegerValue | DefaultDataValidator.createNumberValidator(comparisonOperator, value, value2, isIntegerValue) | Boolean |
| value1 | DefaultDataValidator.createNumberValidator(comparisonOperator, value, value2, isIntegerValue) | string |
| value2 | DefaultDataValidator.createNumberValidator(comparisonOperator, value, value2, isIntegerValue) | string |
The dateValidator element has no child elements. The following table lists the attributes of the dateValidator element.
| Attribute | API Reference | Type |
| comparisonOperator | DefaultDataValidator.createDateValidator(comparisonOperator, value, value2) | GC.Spread.Sheets.ConditionalFormatting.ComparisonOperators |
| value1 | DefaultDataValidator.createDateValidator(comparisonOperator, value, value2) | string |
| value2 | DefaultDataValidator.createDateValidator(comparisonOperator, value, value2) | string |
The textLengthValidator element has no child elements. The following table lists the attributes of the textLengthValidator element.
| Attribute | API Reference | Type |
| comparisonOperator | DefaultDataValidator.createTextLengthValidator(comparisonOperator, value, value2) | GC.Spread.Sheets.ConditionalFormatting.ComparisonOperators |
| value1 | DefaultDataValidator.createTextLengthValidator(comparisonOperator, value, value2) | string |
| value2 | DefaultDataValidator.createTextLengthValidator(comparisonOperator, value, value2) | string |
The formulaValidator element has no child elements. The following table lists the attributes of the formulaValidator element.
| Attribute | API Reference | Type |
| formula | DefaultDataValidator.createFormulaValidator(formula) | string |
The formulaListValidator element has no child elements. The following table lists the attributes of the formulaListValidator element.
| Attribute | API Reference | Type |
| formulalist | DefaultDataValidator.createFormulaListValidator(formulalist) | string |
The listValidator element has no child elements. The following table lists the attributes of the listValidator element.
| Attribute | API Reference | Type |
| list | DefaultDataValidator.createListValidator(list) | string |