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    <p>Instead of combining your arrays into another array, you're best of sending them as individual parameters to the action method, something like:</p> <p>Assume we still have your two arrays:</p> <pre><code>var features = new Array(); var menuItems = new Array(); menuItems.push({ "Name": $(this).attr('name'), "isChecked": isChecked }); features.push({ "Name": $(this).attr('name'), "isChecked": isChecked }); </code></pre> <p>Then in your JQuery ajax call do the following:</p> <pre><code>$.ajax({ url: '@Url.Action("CheckPreferences")', type: 'POST', datatype: "json", traditional: true, data: { menuItems: JSON.stringify(menuItems), features: JSON.stringify(features) }, success: function () { window.alert('@Resource.AjaxSuccess'); }, error: function (event, request, settings) { window.alert('@Resource.AjaxError' + ' : ' + settings); }, timeout: 20000 }); </code></pre> <p>Then your controller method should be:</p> <pre><code>[HttpPost] public ActionResult CheckPreferences(string menuItems, string features) { var js = new JavaScriptSerializer(); var deserializedMenuItems = (object[])js.DeserializeObject(menuItems); var deserializedFeatures = (object[])js.DeserializeObject(features); var myFeatures = new List&lt;SJSonModel&gt;(); var myMenuItems = new List&lt;SJSonModel&gt;(); if (deserializedFeatures != null) { foreach (Dictionary&lt;string, object&gt; newFeature in deserializedFeatures) { myFeatures.Add(new SJSonModel(newFeature)); } } if (deserializedMenuItems != null) { foreach (Dictionary&lt;string, object&gt; newMenuItem in deserializedMenuItems) { myMenuItems.Add(new SJSonModel(newMenuItem)); } } var myModelList = new SJSonModelList(myFeatures, myMenuItems); return Json(""); </code></pre> <p>I also edited your classes by putting in a constructor to work with the above code, like so: </p> <pre><code>public class SJSonModel { public SJSonModel(Dictionary&lt;string, object&gt; newFeature) { if (newFeature.ContainsKey("Name")) { Name = (string)newFeature["Name"]; } if (newFeature.ContainsKey("isChecked")) { isChecked = bool.Parse((string)newFeature["isChecked"]); } } public string Name { get; set; } public bool isChecked { get; set; } } public class SJSonModelList { public SJSonModelList(List&lt;SJSonModel&gt; features, List&lt;SJSonModel&gt; menuItems ) { Features = features; MenuItems = menuItems; } public List&lt;SJSonModel&gt; Features { get; set; } public List&lt;SJSonModel&gt; MenuItems { get; set; } } </code></pre>
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    1. COHi, thank you for your message. I've done it yet it doesn't work, the values of menuItems and features are null
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    2. COHi @LilitMR, check my new edit of my answer. I've tested that exact code and it works fine :)
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    3. COHi , thank you so much for your message. I'll try it this monday at the office and I answer you quickly. Pass a fine WE :)
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