asp.net mvc - Ajax POST to MVC Controller always erroring -


i have following ajax request:

$.ajax({     url: '/projects/index',     type: 'post',     data: data,     datatype: 'json',     contenttype: 'application/json; charset=utf-8',     error: xhr => { swal('from error!', 'we\'ve saved hours, input!', 'success'); console.log(xhr) },     success: result => swal('from success!', 'we\'ve saved hours, input!', 'success') });

which, when status code 200, errors. controller receives data , stuff it, , returns view().

here's controller action in full:

[httppost, actionname("index")] public actionresult sethours(hourpostrequest[] data) {     foreach(var item in data)     {         var correctmodel = item.toengineerhours(db);         db.engineerhours.add(correctmodel);         db.savechanges();     }      var eng = db.engineers.firstordefault(e => e.domainusername == user.identity.name).id;     var test = db.engineerhours.where(e => e.engineerid == eng).tolist();      return view(test); }

the data intact, received fine , view returns. i've added in random test collection return model of view:

@model ilist<timesheet.models.engineerhours>

i've gone chrome dev-tools network view , payload correct, response 200 , controller has received data , returned view.

this means sweetalert2 alerts erroring regardless of success status.

can spot why might happening?

you returning view(), html string @ end of day. in request specify:

datatype: 'json'

which tells jquery expect response json formatted string. jquery sees html , not able recognize valid json, hence error.


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