post method in MVC Web API in knockout js

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MVC

Knockout.js

Hi,

i need samples and examples for post,delete,put method on MVC web API with Knockout js. i got an error while running Post method in MVC web API. pls give solution ASAP.

here my code for Post Method:

$.ajax({
                       url: 'api/product/PostProduct/',
                       cache: false,
                       type: 'POST',
                       contentType: 'application/json; charset=utf-8',
                       data: ko.toJSON(Product),
                       success: function (data) {
                            alert('added');
                           self.Products.push(data);
                           self.BrandName("");
                           self.price("");
                           self.GenericName("");
                       }
                   }).fail(
                        function (xhr, textStatus, err) {
                            alert('error');
                        });