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POProblem passing JSON data using jQuery $.ajax() to .NET MVC Action w/ custom BindingModel
 

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  1. POProblem passing JSON data using jQuery $.ajax() to .NET MVC Action w/ custom BindingModel
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    <p>I am trying to pass JSON data from the client browser to an ASP.NET MVC Action using jQuery $.ajax() and bind it to a .NET class using a custom ModelBinder.</p> <p>THE CLIENT JAVASCRIPT:</p> <pre><code>$('#btnPatientSearch').click(function() { var patientFilter = { LastName: 'Flinstone', FirstName: 'Fred' }; var jsonData = $.toJSON(patientFilter); $.ajax({ url: '/Services/GetPatientList', type: 'GET', cache: false, data: jsonData, contentType: 'application/json; charset=utf-8', dataType: 'json', timeout: 10000, error: function() { alert('Error loading JSON=' + jsonData); }, success: function(jsonData) { $("#patientSearchList").fillSelect(jsonData); } }); </code></pre> <p>THE .NET CLASS FOR THE JSON DATA</p> <pre><code>[ModelBinder(typeof(JsonModelBinder))] public class PatientFilter { #region Properties public string IDNumber { get; set; } public string FirstName { get; set; } public string LastName { get; set; } public string SSN { get; set; } public DateTime DOB { get; set; } #endregion } </code></pre> <p>THE MVC ACTION</p> <pre><code> public JsonResult GetPatientList(iPatientDoc.Models.PatientFilter patientFilter) { </code></pre> <p>THE CUSTOM MODELBINDER</p> <pre><code>public class JsonModelBinder : IModelBinder { #region IModelBinder Members public object BindModel(ControllerContext controllerContext, ModelBindingContext bindingContext) { if (controllerContext == null) throw new ArgumentNullException("controllerContext"); if (bindingContext == null) throw new ArgumentNullException("bindingContext"); var serializer = new DataContractJsonSerializer(bindingContext.ModelType); return serializer.ReadObject(controllerContext.HttpContext.Request.InputStream); #endregion } } </code></pre> <p>The custom ModelBinder is called correctly, yet the Request.InputStream is empty so there is no data to bind to the PatientFilter object.</p> <p>Any thoughts appreciated. Chris</p>
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