| SpreadsheetGear Namespace : IValidation Interface | 
The following tables list the members exposed by IValidation.
| Name | Description | |
|---|---|---|
![]()  | AlertStyle | Gets the alert style to be used when validation fails. | 
![]()  | ErrorMessage | Gets or sets the error message to display when validation fails. | 
![]()  | ErrorTitle | Gets or sets the error title to display when validation fails. | 
![]()  | Formula1 | Returns the first validation formula. | 
![]()  | Formula2 | Returns the second validation formula. | 
![]()  | IgnoreBlank | Gets or sets the property which specifies whether validation should be skipped if either validation formula refers to a blank cell. | 
![]()  | InCellDropdown | Gets or sets the property which specifies whether an in-cell dropdown listbox should be used for validation with a ValidationType of ValidationType.List. | 
![]()  | InputMessage | Gets or sets the input message to be displayed when one of the represented cells is active. | 
![]()  | InputTitle | Gets or sets the input title to be displayed when one of the represented cells is active. | 
![]()  | Operator | Returns the ValidationOperator. | 
![]()  | ShowError | Gets or sets the property which specifies whether errors should be shown when validation fails. | 
![]()  | ShowInputMessage | Gets or sets the property which specifies whether an input message should be displayed when one of the represented cells is active. | 
![]()  | Type | Returns the type of validation. | 
![]()  | Value | Returns true if all represented cells meet their validation criteria. | 
| Name | Description | |
|---|---|---|
![]()  | Add | Adds data validation to a range of cells using the specified options. | 
![]()  | Delete | Deletes data validation | 
![]()  | Modify | Modifies existing data validation for a range of cells using the specified options. |