Razor 图像文件未保存

我是Webmatrix的新手，尝试创建一个带有照片的个人资料页面，可以进行更新。我似乎不明白为什么它不工作，但我的代码看起来很好。有人能看一下下面的代码，让mew知道我做错了什么吗

免责声明-我是一名试图自学的黑客开发人员，因此请原谅错误的语法和您看到的任何其他内容

@{
if (!WebSecurity.IsAuthenticated) {
    Response.Redirect("~/Account/Login?returnUrl="
        + Request.Url.LocalPath);
}    

Layout = "~/_SiteLayout.cshtml";
Page.Title = "Update Profile";


WebImage photo = null;
var newFileName = "";
var imagePath = "";

var UserID = "";
var Email = "";
var FirstName = "";
var LastName = "";
var DOB = "";
var EmploymentStatus = "";
var CurrentTitle = "";
var Company = "";
var LinkedInURL = "";
var Resume = "";
var Photo = "";
var ContractorIntro = "";

if(!IsPost){
    if(!Request.QueryString["UserID"].IsEmpty() && Request.QueryString["UserID"].IsInt()) {
        UserID = Request.QueryString["UserID"];
        var db = Database.Open("JobsLoop");
        var dbCommand = "SELECT * FROM UserProfile WHERE UserID = @0";
        var row = db.QuerySingle(dbCommand, UserID, DOB);

            if(row != null) {
            UserID = row.UserID.ToString();
            FirstName = row.FirstName;
            LastName = row.LastName;
            EmploymentStatus = row.EmploymentStatus;
            CurrentTitle = row.CurrentTitle;
            Company = row.Company;
            DOB = row.DOB.ToString(format: "dd/MM/yy");
            LinkedInURL = row.LinkedInURL;
            Resume = row.Resume;
            Photo = row.Photo;
            ContractorIntro = row.ContractorIntro;



        }
    }
    else{
        Validation.AddFormError("No Profile was selected.");
        // Use the following line instead for versions of ASP.NET Web Pages 2 earlier
        // than the RC release.
        //ModelState.AddFormError("No movie was selected.");
    }
}




if(IsPost){
    Validation.RequireField("UserID", "You must enter a user ID");
    Validation.RequireField("FirstName", "First Name is required");
    Validation.RequireField("LastName", "No Last Name was submitted!");
    Validation.RequireField("DOB", "No DOB was submitted!");
    Validation.RequireField("EmploymentStatus", "No Employment Status was submitted!");
    Validation.RequireField("CurrentTitle", "No Current Title was submitted!");
    //Validation.RequireField("LinkedInURL", "No LinkedIn address was submitted!");


    UserID = Request.Form["UserID"];
    FirstName = Request.Form["FirstName"];
    LastName = Request.Form["LastName"];
    DOB = Request.Form["DOB"];
    EmploymentStatus = Request.Form["EmploymentStatus"];
    CurrentTitle = Request.Form["CurrentTitle"];
    Company = Request.Form["Company"];
    LinkedInURL = Request.Form["LinkedInURL"];
    Resume = Request.Form["Resume"];
    Photo = Request.Form["Photo"];
    ContractorIntro = Request.Unvalidated["ContractorIntro"];


    if(Validation.IsValid()){

    photo = WebImage.GetImageFromRequest();
    if(photo != null)
    {
        newFileName = Guid.NewGuid().ToString() + "_" +
            Path.GetFileName(photo.FileName);
        imagePath = @"profile\" + newFileName;
        photo.Save(@"~\" + imagePath);
        Photo = @newFileName;

    }
    else 
    {

    }


     if(newFileName.IsEmpty())
    {
        var db = Database.Open("JobsLoop");
        var updateCommand = "UPDATE UserProfile SET FirstName=@1, LastName=@2, DOB=@3, EmploymentStatus=@4, CurrentTitle=@5, Company=@6, LinkedInURL=@7, Resume=@8, ContractorIntro=@9  WHERE UserID=@0";
        db.Execute(updateCommand, UserID, FirstName, LastName, DOB, EmploymentStatus, CurrentTitle, Company, LinkedInURL, Resume, ContractorIntro);
    }
    else{
    if(Validation.IsValid()){
        var db = Database.Open("JobsLoop");
        var updateCommand = "UPDATE UserProfile SET FirstName=@1, LastName=@2, DOB=@3, EmploymentStatus=@4, CurrentTitle=@5, Company=@6, LinkedInURL=@7, Resume=@8, ContractorIntro=@9, Photo=@10   WHERE UserID=@0";
        db.Execute(updateCommand, UserID, FirstName, LastName, DOB, EmploymentStatus, CurrentTitle, Company, LinkedInURL, Resume, ContractorIntro, Photo);
      }
      }
   }

}

 }

---

表单的操作是否设置为POST，enctype是否设置为“multipart/form data”？这就是我所使用的：我修复了这个问题，我在html中有一个额外的部分导致了这个问题