MVC 5 - viewmodel object not binding view issue.

Question

Hello Everyone,

 

This Ajax call on button click,

$('#idProject').click(function () {
    var idProject = $(this).attr('name');
    $.ajax({
        url: "/UserRegister/GetProjectByID?projectid=" + idProject,
        type: "POST",
        success: function (result) {
            //alert(result);
        }
    });
});

View page,

@model Reboxwebapp.Models.ViewModel.PartnerProjectVM

             @Html.TextBoxFor(model => model.ProjectName, new { @id = "first_name", @class = "form-control input-sm ", @placeholder = "Project Name" })
/*---here, model object continuing---*/

And controller actionresult.

[HttpPost]
        public ActionResult GetProjectByID(int projectid)
        {
            PartnerBIL objPartnerBIL = new PartnerBIL();
            PartnerProjectVM partnerProjectVM = new PartnerProjectVM();
        var PartnerProjectBL = objPartnerBIL.GetProjectByID(projectid) as PartnerProjectBL;
            partnerProjectVM.idPartnerProject = PartnerProjectBL.idPartnerProject;
            partnerProjectVM.ProjectName = PartnerProjectBL.ProjectName;
            partnerProjectVM.ProjectDescription = PartnerProjectBL.ProjectDescription;
            partnerProjectVM.ProjectType = PartnerProjectBL.ProjectType;
            partnerProjectVM.Status = PartnerProjectBL.Status;
            partnerProjectVM.CompletionYear = PartnerProjectBL.CompletionYear;
            partnerProjectVM.ProjectLocation = PartnerProjectBL.ProjectLocation;
            partnerProjectVM.ClientName = PartnerProjectBL.ClientName;
            return View("PremiumUserRegProjects", partnerProjectVM);
        }

 Please help me...