Interface INonNullRequestDataAttribute<TController, TData>

Represents an attribute, applied to a parameter of a web API controller method, that causes the parameter to be passed deserialized data from a request.

The difference between this interface and IRequestDataAttribute<TController, TData> is that attributes implementing this interface never retrieve null values.

Namespace: EmbedIO.WebApi

Syntax

public interface INonNullRequestDataAttribute<in TController, TData>
    where TController : WebApiController where TData : class

Type Parameters

Name	Description
TController	The type of the controller.
TData	The type of the data.

Methods

GetRequestDataAsync(TController, String)

Asynchronously obtains data from a controller's context.

Declaration

Task<TData> GetRequestDataAsync(TController controller, string parameterName)

Parameters

Type	Name	Description
TController	controller	The controller.
String	parameterName	The name of the parameter that has to receive the data.

Returns

Type	Description
Task<TData>	a whose result will be the data to pass as a parameter to a controller method.