Fix NRE in `MutableObjectModelBinder`

2015-03-15 11:08:09 -07:00 · 2015-03-15 11:08:09 -07:00 · 103538b889
parent 88aa820b9f
commit 103538b889
1 changed files with 6 additions and 0 deletions
--- a/src/Microsoft.AspNet.Mvc.ModelBinding/Binders/MutableObjectModelBinder.cs
+++ b/src/Microsoft.AspNet.Mvc.ModelBinding/Binders/MutableObjectModelBinder.cs
@ -328,6 +328,12 @@ namespace Microsoft.AspNet.Mvc.ModelBinding
            {
                var propertyName = property.Name;
                var propertyMetadata = bindingContext.ModelMetadata.Properties[propertyName];
+                if (propertyMetadata == null)
+                {
+                    // Skip indexer properties and others ModelMetadata ignores.
+                    continue;
+                }
+
                var requiredValidator = bindingContext.OperationBindingContext
                                                      .ValidatorProvider
                                                      .GetValidators(propertyMetadata)