ajax - Bind form.serialize() as custom object -


i'm trying send ajax post mvc action result , pass custom object (contactinformationmodel) on parameter action result. expected type of parameter apparently not correct because parameter null. thought possible maybe it's not?

my action result is:

    [httppost]     public actionresult updatecontactinformation(contactinformationmodel model)     {          ...     }

my jquery:

    //serialize contactinformationmodel object      var formdata = $('#frmsubmitcontactinformation').serialize();      // submit ajax call     $.ajax({             url: "/api/[redacted]/updatecontactinformation",             type: "post",             data: { model: formdata },             cache: false,             success: function (data) {                 if (data.success) {                     alert('success');                 } else {                     alert('fail');                 }             }     });

my markup (asp.net mvc view):

@model [redacted].output.contactinformationmodel  <form id="frmsubmitcontactinformation">     add contact information project <button type="button" class="strip-button js-contact-launch js-edit-toggle"><span class="icon icon-edit"></span></button> <button class="btn btn--small btn--green add-half-left-margin js-submit-btn-contactinfo js-contact-launch js-edit-toggle hidden" type="submit">@translation.text("done")</button>     @*done button*@     <div class="js-contact-drawer hidden">         <div class="reveal-output__form column column--no-vert-padding add-half-bottom-margin add-half-top-margin form-group">             <div class="content-block">                 @* first/last/company name *@                 <div class="content-block__third-column">                     @html.labelfor(x => x.firstname)                     @html.textboxfor(x => x.firstname,                         new                         {                             @value = model == null ? "" : model.firstname,                             @class = "form-control"                         })                 </div>                 <div class="content-block__third-column">                     @html.labelfor(x => x.lastname)                     @html.textboxfor(x => x.lastname,                         new                         {                             @value = model == null ? "" : model.lastname,                             @class = "form-control"                         })                 </div>                 <div class="content-block__third-column">                     @html.labelfor(x => x.companyname)                     @html.textboxfor(x => x.companyname,                         new                         {                             @value = model == null ? "" : model.companyname,                             @class = "form-control"                         })                 </div>             </div>             <div class="content-block">                 @* email/phone *@                 <div class="content-block__third-column">                     @html.labelfor(x => x.emailaddress)                     @html.validationmessagefor(x => x.emailaddress)                     @html.textboxfor(x => x.emailaddress,                         new                         {                             @value = model == null ? "" : model.emailaddress,                             @class = "form-control"                         })                 </div>                 <div class="content-block__third-column">                     @html.labelfor(x => x.phonenumber)                     @html.validationmessagefor(x => x.phonenumber)                     @html.textboxfor(x => x.phonenumber,                         new                         {                             @value = model == null ? "" : model.phonenumber,                             @class = "form-control"                         })                 </div>             </div>             <div class="content-block">                 @* address 1/address 2 *@                 <div class="content-block__third-column">                     @html.labelfor(x => x.address1)                     @html.textboxfor(x => x.address1,                         new                         {                             @value = model == null ? "" : model.address1,                             @class = "form-control"                         })                 </div>                 <div class="content-block__third-column">                     @html.labelfor(x => x.address2)                     @html.textboxfor(x => x.address2,                         new                         {                             @value = model == null ? "" : model.address2,                             @class = "form-control"                         })                 </div>             </div>             <div class="content-block">                 @* city/state/zip*@                 <div class="content-block__third-column">                     @html.labelfor(x => x.city)                     @html.textboxfor(x => x.city,                         new                         {                             @value = model == null ? "" : model.city,                             @class = "form-control"                         })                 </div>                 <div class="content-block__third-column">                     @html.labelfor(x => x.state)                     @html.dropdownlistfor(x => x.state, addresshelper.getunitedstateslistitems(), translation.text("state"), new {@class = "custom-select"})                 </div>                 <div class="content-block__third-column">                     @html.labelfor(x => x.postalcode)                     @html.validationmessagefor(x => x.postalcode)                     @html.textboxfor(x => x.postalcode,                         new                         {                             @value = model == null ? "" : model.postalcode,                             @class = "form-control"                         })                 </div>             </div>             <input type="hidden" name="projectid" value="@model.projectid" />         </div>     </div> </form>

i'm positive class referenced in view exact same referencing in controller. also, js runs fine itself. issue?

paul,

the issue data object. need directly post serialized form object data.

$.ajax({         url: "/api/[redacted]/updatecontactinformation",         type: "post",         data: formdata,         cache: false,         success: function (data) {             if (data.success) {                 alert('success');             } else {                 alert('fail');             }         } });

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