Class ValidationRule

Represents a base class for a form component validation rule. Do not inherit this class directly, inherit the ValidationRule<TValue> class instead.

public abstract class ValidationRule

Extension Methods: DataExtensions.With<T>(T, Action<T>)

QueryExtensions.AsLiteral<T>(T)

QueryExtensions.AsValue<T>(T, bool)

Properties

Gets or sets the error message to be shown when the form component's value is invalid.

[EditingComponent("Kentico.TextArea", Label = "{$general.errormessage$}", Order = 100)]
[Required]
public string ErrorMessage { get; set; }

Gets or sets identifier of the validation rule instance.

[EditingComponent("Kentico.HiddenGuidInput", Order = 1000)]
public Guid InstanceIdentifier { get; set; }

Gets a title for this instance of validation rule.

public string Title { get; }

Gets a title for this instance of validation rule such as 'Maximum length is 100'.

public abstract string GetTitle()

Validates the form component's value and returns true if the value is valid.

public virtual bool IsValueValid(object value)