Null Value face error in mvc.

public async Task EducationalI(EducationalImageViewModel obj_Parameter, IFormFile EducationImage)-But I have a issue here Null Value.

i have use this upload file use this html code.

@using (Html.BeginForm("EducationalI", "EducationalManagement", FormMethod.Post, new { id = "CreateForm", enctype = "multipart/form-data" }))
{
class="modal-content">
class="modal-header">
class="modal-title has-icon ms-icon-round "> Add New Image
"button" class="close" data-dismiss="modal" aria-label="Close">"true">×

class="modal-body dnnn">

"post">

class="ms-form-group">

for="img">Select image:

@Html.TextBoxFor(x => x.Image, new { @type = "file", @id = "image", @name = "EducationImage", @accept = "image/*", @required = "required" })