问如何将表单数据从bootstrap模式发布到后端？

EN

   @model myNamespace.Models.AllUserViewModels
    <div class="container">
  <div class="modal fade" id="LoginModal" tabindex="-1" role="dialog"      keyboard="true" aria-labelledby="LoginModal" aria-hidden="true">
    <div class="modal-dialog modal-sm" role="dialog">
      <div class="modal-content">
        <div class="modal-header">
          <button type="button" class="close" data-dismiss="modal">&times;</button>
          <h4>Login</h4>
        </div>
        <div class="modal-body">
          <form asp-controller="User" asp-action="LoginSubmit" method="post" class="form-group">
            <label asp-for="Log.Email">Email</label>
            <input asp-for="Log.Email" placeholder="Email Address" class="form-control" id="Email"> 
            <span asp-validation-for="Log.Email"></span>


            <label asp-for="Log.Password">Password</label>
            <input asp-for="Log.Password" placeholder="Password" class="form-control" id="Password"> 
            <span asp-validation-for="Log.Password"></span>

            <span>@ViewBag.loginError</span>

            <br>

            <button type="submit" class="btn btn-primary">Submit</button>

          </form>
        </div>

      </div>
    </div>
  </div>
</div>
  <!--End Login Modal -->