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    <p>Make sure you cancel the default action of the submit button by returning false from your callback:</p> <pre><code>$('#addExperience').click(function() { CallSomeAction(); return false; // &lt;!-- that's important to prevent the form being submitted normally }); </code></pre> <hr> <p>UPDATE:</p> <p>After at last you have shown your code here's the problem:</p> <pre><code>[HttpPost] public ActionResult AddCar(UserViewModel model) </code></pre> <p>The action parameter is called <code>model</code>. But you also have a property inside <code>UserViewModel</code> which is called <code>Model</code> which is conflicting. The default model binder doesn't know which one to bind. </p> <p>So one possibility is to rename your action argument:</p> <pre><code>[HttpPost] public ActionResult AddCar(UserViewModel uvm) </code></pre> <p>and on the client side:</p> <pre><code>data: JSON.stringify({ uvm: model }) </code></pre> <hr> <p>UPDATE 2:</p> <p>You have the following line in your javascript:</p> <pre><code>var model = @Html.Raw(Json.Encode(Model)); </code></pre> <p>The problem is that your GET Index action in WizardController doesn't pass any view model to the view:</p> <pre><code>[HttpGet] public ActionResult Index() { return View(); } </code></pre> <p>So when you look at the generated source code of your page you will notice:</p> <pre><code>var model = null; </code></pre> <p>As a consequence you cannot expect to get anything other than <code>null</code> in your <code>AddCar</code> action. </p> <p>This being said I suppose that you are not willing to send the view model to this action. You are willing to send the 2 values that the user entered in the form. </p> <p>So you probably want something like this:</p> <pre><code>function AddCars() { $.ajax({ url: '@Url.Action("AddCar")', type: 'POST', data: $('form').serialize(), success: function(result) { alert('successful'); } }); } </code></pre>
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    1. COanother issue i am having which is part of this is that if I don't have a parameterless constructor. The post back fails are returns `No parameterless constructor defined for this object`. When I do add the constructor. The values are coming as null.
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    2. CO@jmogera, two possibilities: 1. add a parameterless constructor to your view model or 2. write a custom model binder and manually instantiate it. The first is preferred.
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    3. COBare with me, but I do have parameterless constructor. only when Construtor() : this(new Object()). It works!
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