Class RequiredAttribute<T>
Checks whether the data field of type Optional<T> has a value.
Inherited Members
Namespace: DotNext.ComponentModel.DataAnnotations
Assembly: DotNext.dll
Syntax
public sealed class RequiredAttribute<T> : RequiredAttributeType Parameters
| Name | Description |
|---|---|
| T | The type of Optional<T> value. |
Properties
| Edit this page View SourceAllowNull
Specifies whether Optional<T> may contain null value.
Declaration
public bool AllowNull { get; init; }Property Value
| Type | Description |
|---|---|
| bool |
Methods
| Edit this page View SourceIsValid(object?)
Checks that the value of the required data field is not empty.
Declaration
public override bool IsValid(object? value)Parameters
| Type | Name | Description |
|---|---|---|
| object | value | The data field value to validate. |
Returns
| Type | Description |
|---|---|
| bool |
Overrides
Exceptions
| Type | Condition |
|---|---|
| ValidationException | The data field value was null. |