Adding an attribute that is common in implementations.

src/Statik.Mvc/FormRouteDataAttribute.cs

@@ -0,0 +1,28 @@
+using System;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.Mvc.ModelBinding;
+
+namespace Statik.Mvc
+{
+ public class FromRouteDataAttribute : Attribute, IBinderTypeProviderMetadata, IBindingSourceMetadata
+ {
+ public FromRouteDataAttribute()
+ {
+ BinderType = typeof(Binder);
+ }
+
+ public BindingSource BindingSource => BindingSource.Custom;
+
+ public Type BinderType { get; }
+
+ private class Binder : IModelBinder
+ {
+ public Task BindModelAsync(ModelBindingContext bindingContext)
+ {
+ var routeData = bindingContext.ActionContext.RouteData.Values;
+ bindingContext.Result = ModelBindingResult.Success(routeData[bindingContext.FieldName]);
+ return Task.CompletedTask;
+ }
+ }
+ }
+}