列名称无效 'Length' webmatrix

Question

我是 asp.net mvc 中的新成员。我看了一个教程，他正在使用 webmatrix。我试图在 webmatrix 创建的数据库中添加名为 "IDViewer" in table "UserProfile" 的列。但是，当我尝试插入一些值时，它 returns 我出现了 "Invalid column name 'Length'." 错误，但我没有在我的代码中声明列名 "Length"。请检查我的代码和图像。谢谢

图片Link 在这里。请看一下

The error

My database, i added column named IDViewer

public class Register
{
    [Required(ErrorMessage = "Please provide password", AllowEmptyStrings = false)]
    public string Username { get; set; }
    [Required(ErrorMessage = "Please provide password", AllowEmptyStrings = false)]
    [DataType(System.ComponentModel.DataAnnotations.DataType.Password)]
    [StringLength(50, MinimumLength = 8, ErrorMessage = "Password must be 8 char long.")]
    public string Password { get; set; }
    public string IDViewer { get; set; }
}

@using (Html.BeginForm())
{
    @Html.AntiForgeryToken()
    @Html.ValidationSummary("", new { @style = "color: red" })
    <label>Username</label>
    @Html.TextBoxFor(m => m.Username, new { @class = "form-control" })
    <label>Password</label>
    @Html.PasswordFor(m => m.Password, new { @class = "form-control" })
    <label>Student ID</label>
    @Html.TextBoxFor(m => m.IDViewer, new { @class = "form-control" })
    @Html.DropDownList("role",roles,"Select Account Type")
    <button class="btn btn-primary">Register</button>
}

[HttpPost]
[ValidateAntiForgeryToken]
public ActionResult Register(Register registerdata, string role)
{
    if(ModelState.IsValid)
    {
        try
        {
            WebSecurity.CreateUserAndAccount(registerdata.Username, registerdata.Password, registerdata.IDViewer);
            Roles.AddUserToRole(registerdata.Username,role);
            return RedirectToAction("Index", "Home");
        }
        catch (MembershipCreateUserException)
        {
            ModelState.AddModelError("", "Sorry the username already exists");    
            return View(registerdata);
        }
    }
    ModelState.AddModelError("","Data invalid");
    return View(registerdata);
}

Answer 1

从documentation开始，第三个参数是一个字典

propertyValues

Type: System.Object

(Optional) A dictionary that contains additional user attributes. The default is null.

所以你的方法需要

WebSecurity.CreateUserAndAccount(registerdata.Username,
    registerdata.Password, new { IDViewer = registerdata.IDViewer });

列名称无效 'Length' webmatrix

Invalid column name 'Length' webmatrix

c#

asp.net-mvc

razor

webmatrix