Jquery 提交asp.NET MVC后服务器端未接收到字段值？

我有三个这样的字段=>

<div>
    @Html.LabelFor(model => model.first_name, new { @class = "control-label" })
    @Html.TextBoxFor(model => model.first_name, new { @style = "border-radius:3px;", @class = "form-control", @placeholder = Html.DisplayNameFor(m => m.first_name), @autocomplete = "on" })
    @Html.ValidationMessageFor(model => model.first_name, null, new { @class = "text-danger" })
</div>

<div>
    @Html.LabelFor(model => model.last_name, new { @class = "control-label" })
    @Html.TextBoxFor(model => model.last_name, new { @style = "border-radius:3px;",@onblur = "FacultyName()", @class = "form-control", @placeholder = Html.DisplayNameFor(m => m.last_name), @autocomplete = "on" })
    @Html.ValidationMessageFor(m => m.last_name, null, new { @class = "text-danger" })
</div>

<div>
     @Html.LabelFor(model => model.faculty_name, new { @class = "control-label" })
     @Html.TextBoxFor(model => model.faculty_name, new { @style = "border-radius:3px;", @class = "form-control", @disabled = "disabled", @placeholder = Html.DisplayNameFor(m => m.faculty_name), @autocomplete = "off" })
     @Html.ValidationMessageFor(m => m.faculty_name, null, new { @class = "text-danger" })
</div>

不，我在这方面没有任何问题。在提供名字和姓氏后设置错误值

查看上面的内容，但问题是在提交到服务器=>

我设置了值，但仍然说值是必需的！这就是问题所在

我的控制器==>

    [HttpPost]
    [ValidateAntiForgeryToken]
    public ActionResult Create([Bind(Include = "pic_path,first_name,last_name,faculty_name,company_name,city,phone_number,email,zip_code,nationality,sex,religion,blood_group,dob,faculty_active")] Instructor instructor, HttpPostedFileBase pic_path)
    {
        var SupportFileType = new[] { "image/gif", "image/x-png", "image/jpeg", "image/png" };

        if (ModelState.IsValid)
        {
            if (SupportFileType.Contains(pic_path.ContentType.ToLower().ToString()) == false)
            {
                ModelState.AddModelError("pic_path", "Invalid File Type!");
                ViewBag.faculty_active = MyCustomFunctions.UserActivity();
                return View(instructor);
            }
            else if (pic_path.ContentLength > (5 * 1024 * 1024))
            {
                ModelState.AddModelError("pic_path", "Max File Size Is 5 MB!");
                ViewBag.faculty_active = MyCustomFunctions.UserActivity();
                return View(instructor);
            }

            string pic = Guid.NewGuid().ToString() + Path.GetFileName(pic_path.FileName);
            string CreateNewPath = "~/Content/img/tsms/instructor/" + pic;
            db.Instructors.Add(new Instructor
            {
                faculty_name = instructor.first_name + " " + instructor.last_name,
                pic_path = CreateNewPath,
                first_name = instructor.first_name,
                last_name = instructor.last_name,
                company_name = instructor.company_name,
                city = instructor.city,
                phone_number = instructor.phone_number,
                email = instructor.email,
                zip_code = instructor.zip_code,
                nationality = instructor.nationality,
                sex = instructor.sex,
                religion = instructor.religion,
                blood_group = instructor.blood_group,
                dob = instructor.dob,
                faculty_activation_date = DateTime.Now,
                faculty_active = instructor.faculty_active,
            });
            try
            {
                db.SaveChanges();
                if (pic_path != null)
                {
                    string path = System.IO.Path.Combine(Server.MapPath("~/Content/img/tsms/instructor/"), pic);
                    pic_path.SaveAs(path);
                }
            }
            catch (System.Data.SqlClient.SqlException e)
            {
                ModelState.AddModelError(null, e.ToString());
                ViewBag.faculty_active = MyCustomFunctions.UserActivity();
                return View(instructor);
            }
            catch (System.Data.Entity.Infrastructure.DbUpdateException e)
            {
                ModelState.AddModelError(null, e.ToString());
                ViewBag.faculty_active = MyCustomFunctions.UserActivity();
                return View(instructor);
            }
            return RedirectToAction("Index");
        }

        ViewBag.faculty_active = MyCustomFunctions.UserActivity();
        return View(instructor);
    }

我已经给了我的全部控制器？拿你需要的东西？不要乱动其他东西

而我的模型=>

public class Instructor
{
    [Key, Column(Order = 0)]
    [DatabaseGenerated(DatabaseGeneratedOption.Identity)]
    public int InstructorId { get; set; }
    /// <summary>
    /// ///////////
    /// </summary>
    [Required(AllowEmptyStrings = false, ErrorMessage = "First Name Is Required!")]
    [MaxLength(50, ErrorMessage = "The Max Length Of First Name Is 50 Character!")]
    [Display(Name = "First Name")]
    public string first_name { get; set; }
    /// <summary>
    /// ///////
    /// </summary>
    [Required(AllowEmptyStrings = false, ErrorMessage = "Last Name Is Required!")]
    [MaxLength(50, ErrorMessage = "The Max Length Of Last Name is 50 Character!")]
    [Display(Name = "Last Name")]
    public string last_name { get; set; }
    /// <summary>
    /// ///////////
    /// </summary>
    [Key, Column(Order = 1)]
    [Required(AllowEmptyStrings = false, ErrorMessage = "Faculty Name Is Required!")]
    [MaxLength(100, ErrorMessage = "The Max Length Of Faculty Name is 200 Character!")]
    [Display(Name = "Faculty Name")]
    public string faculty_name { get; set; }
}

公共课堂讲师
{
[键，列（顺序=0）]
[数据库生成（DatabaseGeneratedOption.Identity）]
公共int指令ID{get；set；}
/// 
/// ///////////
/// 
[必需（AllowEmptyStrings=false，ErrorMessage=“需要名字！”）]
[MaxLength（50，ErrorMessage=“名字的最大长度为50个字符！”）
[显示（Name=“First Name”）]
公共字符串first_name{get；set；}
/// 
/// ///////
/// 
[必需（AllowEmptyStrings=false，ErrorMessage=“需要姓氏！”）]
[MaxLength（50，ErrorMessage=“姓氏的最大长度为50个字符！”）
[显示（Name=“Last Name”）]
公共字符串last_name{get；set；}
/// 
/// ///////////
/// 
[键，列（顺序=1）]
[必需（AllowEmptyStrings=false，ErrorMessage=“需要教员姓名！”）]
[MaxLength（100，ErrorMessage=“教员姓名的最大长度为200个字符！”）
[显示（Name=“教员姓名”）]
公共字符串名称{get；set；}
}

禁用的控件不提交值。但是你为什么要发布这个呢。在controllers POST方法中计算值。但是你为什么要发布这个=>我不明白你想说什么@StephenMuecke…您的属性应该是get only，返回连接值Stephen说没有理由计算此值并尝试从客户端提交。您可以只发送单独的值并填充模型。然后C#

faculty_name

属性可以定义为

公共字符串faculty_name{get{返回this.first_name+“”+this.last_name；}

，这样您就不必单独填充它，只需在需要时派生必要的值即可。干燥原则适用。谢谢@阿德森…这真是个好主意。。。

    [HttpPost]
    [ValidateAntiForgeryToken]
    public ActionResult Create([Bind(Include = "pic_path,first_name,last_name,faculty_name,company_name,city,phone_number,email,zip_code,nationality,sex,religion,blood_group,dob,faculty_active")] Instructor instructor, HttpPostedFileBase pic_path)
    {
        var SupportFileType = new[] { "image/gif", "image/x-png", "image/jpeg", "image/png" };

        if (ModelState.IsValid)
        {
            if (SupportFileType.Contains(pic_path.ContentType.ToLower().ToString()) == false)
            {
                ModelState.AddModelError("pic_path", "Invalid File Type!");
                ViewBag.faculty_active = MyCustomFunctions.UserActivity();
                return View(instructor);
            }
            else if (pic_path.ContentLength > (5 * 1024 * 1024))
            {
                ModelState.AddModelError("pic_path", "Max File Size Is 5 MB!");
                ViewBag.faculty_active = MyCustomFunctions.UserActivity();
                return View(instructor);
            }

            string pic = Guid.NewGuid().ToString() + Path.GetFileName(pic_path.FileName);
            string CreateNewPath = "~/Content/img/tsms/instructor/" + pic;
            db.Instructors.Add(new Instructor
            {
                faculty_name = instructor.first_name + " " + instructor.last_name,
                pic_path = CreateNewPath,
                first_name = instructor.first_name,
                last_name = instructor.last_name,
                company_name = instructor.company_name,
                city = instructor.city,
                phone_number = instructor.phone_number,
                email = instructor.email,
                zip_code = instructor.zip_code,
                nationality = instructor.nationality,
                sex = instructor.sex,
                religion = instructor.religion,
                blood_group = instructor.blood_group,
                dob = instructor.dob,
                faculty_activation_date = DateTime.Now,
                faculty_active = instructor.faculty_active,
            });
            try
            {
                db.SaveChanges();
                if (pic_path != null)
                {
                    string path = System.IO.Path.Combine(Server.MapPath("~/Content/img/tsms/instructor/"), pic);
                    pic_path.SaveAs(path);
                }
            }
            catch (System.Data.SqlClient.SqlException e)
            {
                ModelState.AddModelError(null, e.ToString());
                ViewBag.faculty_active = MyCustomFunctions.UserActivity();
                return View(instructor);
            }
            catch (System.Data.Entity.Infrastructure.DbUpdateException e)
            {
                ModelState.AddModelError(null, e.ToString());
                ViewBag.faculty_active = MyCustomFunctions.UserActivity();
                return View(instructor);
            }
            return RedirectToAction("Index");
        }

        ViewBag.faculty_active = MyCustomFunctions.UserActivity();
        return View(instructor);
    }

public class Instructor
{
    [Key, Column(Order = 0)]
    [DatabaseGenerated(DatabaseGeneratedOption.Identity)]
    public int InstructorId { get; set; }
    /// <summary>
    /// ///////////
    /// </summary>
    [Required(AllowEmptyStrings = false, ErrorMessage = "First Name Is Required!")]
    [MaxLength(50, ErrorMessage = "The Max Length Of First Name Is 50 Character!")]
    [Display(Name = "First Name")]
    public string first_name { get; set; }
    /// <summary>
    /// ///////
    /// </summary>
    [Required(AllowEmptyStrings = false, ErrorMessage = "Last Name Is Required!")]
    [MaxLength(50, ErrorMessage = "The Max Length Of Last Name is 50 Character!")]
    [Display(Name = "Last Name")]
    public string last_name { get; set; }
    /// <summary>
    /// ///////////
    /// </summary>
    [Key, Column(Order = 1)]
    [Required(AllowEmptyStrings = false, ErrorMessage = "Faculty Name Is Required!")]
    [MaxLength(100, ErrorMessage = "The Max Length Of Faculty Name is 200 Character!")]
    [Display(Name = "Faculty Name")]
    public string faculty_name { get; set; }
}