ASP.NET MVC : method not found when two controllers has the same method name I am writing an ASP.NET MVC app. I have two controllers, Controller1 and Controller2. I have a method called SearchBySSN in my Controller1. I am calling this method via Ajax from the view: $.ajax( { type: "POST", data: model, headers: { "RequestVerificationToken": $('input:hidden[name="__RequestVerificationToken"]').val() }, url: '@Url.Action("SearchBySSN", "Controller1")', success: function (result) {...