CollectionModelBinder<TElement>.AddErrorIfBindingRequired Method

Reference

Definition

Namespace:: Microsoft.AspNetCore.Mvc.ModelBinding.Binders

Assembly:: Microsoft.AspNetCore.Mvc.Core.dll

Package:: Microsoft.AspNetCore.Mvc.Core v2.2.0

Package:: Microsoft.AspNetCore.App.Ref v3.0.1

Package:: Microsoft.AspNetCore.App.Ref v3.1.10

Package:: Microsoft.AspNetCore.App.Ref v5.0.0

Package:: Microsoft.AspNetCore.App.Ref v6.0.6

Package:: Microsoft.AspNetCore.App.Ref v7.0.5

Package:: Microsoft.AspNetCore.App.Ref v8.0.0

Source:: CollectionModelBinder.cs

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

Add a ModelError to ModelState if IsBindingRequired.

protected:
 void AddErrorIfBindingRequired(Microsoft::AspNetCore::Mvc::ModelBinding::ModelBindingContext ^ bindingContext);

protected void AddErrorIfBindingRequired (Microsoft.AspNetCore.Mvc.ModelBinding.ModelBindingContext bindingContext);

member this.AddErrorIfBindingRequired : Microsoft.AspNetCore.Mvc.ModelBinding.ModelBindingContext -> unit

Protected Sub AddErrorIfBindingRequired (bindingContext As ModelBindingContext)

Parameters

bindingContext: ModelBindingContext

The ModelBindingContext.

Remarks

For back-compatibility reasons, Result must have IsModelSet equal to true when a top-level model is not bound. Therefore, ParameterBinder can not detect a IsBindingRequired failure for collections. Add the error here.

Applies to