Validator.ValidateValueAsync Method
Definition
Important
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Asynchronously throws a ValidationException if the given value is not valid for the ValidationAttributes.
public static System.Threading.Tasks.Task ValidateValueAsync(object? value, System.ComponentModel.DataAnnotations.ValidationContext validationContext, System.Collections.Generic.IEnumerable<System.ComponentModel.DataAnnotations.ValidationAttribute> validationAttributes, System.Threading.CancellationToken cancellationToken = default);static member ValidateValueAsync : obj * System.ComponentModel.DataAnnotations.ValidationContext * seq<System.ComponentModel.DataAnnotations.ValidationAttribute> * System.Threading.CancellationToken -> System.Threading.Tasks.TaskPublic Shared Function ValidateValueAsync (value As Object, validationContext As ValidationContext, validationAttributes As IEnumerable(Of ValidationAttribute), Optional cancellationToken As CancellationToken = Nothing) As TaskParameters
- value
- Object
The value to test.
- validationContext
- ValidationContext
Describes the object being tested.
- validationAttributes
- IEnumerable<ValidationAttribute>
The list of ValidationAttributes to validate this value against.
- cancellationToken
- CancellationToken
A CancellationToken to observe while waiting for the task to complete.
Returns
A Task representing the asynchronous validation operation.
Exceptions
When validationContext is null.
When validationAttributes is null.
When value is found to be invalid.
The validation operation was canceled.
