Question

I’m trying to pass a null value in a JSON object let’s say: { 'property': null } to a controller action in ASP.Net MVC but in the action method I see the property gets a zero value instead of null.

What can I do about this?

Answer 1

just dont send that property or delete that in the client-side : delete x.yourProperty

for example if you have some .net mvc controller with a nullable property like this:

public JsonResult SomeAction(decimal? yourProperty){ //your code goes here }

if in the client-side you call some ajax request with yourProperty: null the model binder will set it to 0, like as int or string that will be set to EmptyString

so if you want to send it as null you just avoid sending it, or if it’s a property that you have set before all you need is to just delete that property: delete x.yourProperty