restores the legacy behavior

Yavsc/CustomModelBinder.cs

@@ -0,0 +1,45 @@
+using System;
+using System.Globalization;
+using System.Threading.Tasks;
+using Microsoft.AspNet.Mvc.ModelBinding;
+using Newtonsoft.Json;
+
+namespace Yavsc
+{
+   public class MyDecimalModelBinder : IModelBinder
+    {
+
+        public async Task<ModelBindingResult> BindModelAsync(ModelBindingContext bindingContext)
+        {
+            ValueProviderResult valueResult = bindingContext.ValueProvider
+            .GetValue(bindingContext.ModelName);
+            decimal actualValue ;
+
+            try {
+                actualValue = Decimal.Parse(valueResult.FirstValue,  System.Globalization.NumberStyles.AllowDecimalPoint);
+                return await ModelBindingResult.SuccessAsync(bindingContext.ModelName,actualValue);
+            }
+            catch (Exception ) {
+            }
+            return await ModelBindingResult.FailedAsync(bindingContext.ModelName);
+        }
+    }
+
+    public class MyDateTimeModelBinder : IModelBinder
+    {
+        public async Task<ModelBindingResult> BindModelAsync(ModelBindingContext bindingContext)
+        {
+           ValueProviderResult valueResult = bindingContext.ValueProvider
+            .GetValue(bindingContext.ModelName);
+            DateTime actualValue ;
+            ModelStateEntry modelState = new ModelStateEntry();
+                // DateTime are sent in the french format
+                if (DateTime.TryParse(valueResult.FirstValue,new CultureInfo("fr-FR"), DateTimeStyles.AllowInnerWhite, out actualValue))
+                {
+                    return await ModelBindingResult.SuccessAsync(bindingContext.ModelName,actualValue);
+                }
+           
+            return await ModelBindingResult.FailedAsync(bindingContext.ModelName);
+        }
+    }
+}