Asp.net mvc 使用sql从asp.net下载并上载到app_数据

我想为求职申请制作一个表格，将个人详细信息保存在数据库中，并将文件CV保存到app_数据中，我可以将个人详细信息保存到sql db，但无法将文件保存到app data，help Meeeee 模型

控制器

chtml表单视图

---

您是否收到任何错误？并且，您确实需要将文件保存在App_数据中？您可以创建一个文件夹数据并将文件保存在那里。如果我理解正确，我无法获取该文件，则该文件为空。如果您有一个示例也可以尝试，就像我告诉过您我无法从表单获取该文件一样，那么在其他情况下，我将保存该文件：：Si无法将表单与sql server的元素和文件合并到文件夹中

[Required(ErrorMessage = "Required")]
public string Name { get; set; }

[Required(ErrorMessage = "Required")]
[RegularExpression(@"^[a-z][a-z|0-9|]*([_][a-z|0-9]+)*([.][a-z|0-9]+([_][a-z|0-9]+)*)?@[a-z][a-z|0-9|]*\.([a-z][a-z|0-9]*(\.[a-z][a-z|0-9]*)?)$", ErrorMessage = "Must be valid email")]
public string Email { get; set; }

[Required(ErrorMessage = "Required")]
public string Comments { get; set; }


[Required(ErrorMessage = "Required")]
public HttpPostedFileBase file { get; set; }

public ActionResult SaveDataContact(ContactModel f)
        {
            if (ModelState.IsValid)
            {
                D.Open();
                if (f.file != null && f.file.ContentLength > 0)
                {
                    // extract only the filename
                    var fileName = Path.GetFileName(f.file.FileName);
                    // store the file inside ~/App_Data/uploads folder
                    var path = Path.Combine(Server.MapPath("~/App_Data/uploads"), fileName);
                    f.file.SaveAs(path);
                }

                int i = D.DataInsert("INSERT INTO table_cont(Name,Email,Comments) VALUES ('" + f.Name + "','" + f.Email + "','" + f.Comments + "')");

@using (Html.BeginForm("SaveDataContact", "Contact", new { enctype = "multipart/form-data" }, FormMethod.Post))
{


 @Html.ValidationSummary();
 @Html.AntiForgeryToken();


@Html.LabelFor(model => model.Name)<br/>
@Html.TextBoxFor(model => model.Name)<br />


@Html.LabelFor(model => model.Email)<br />
@Html.TextBoxFor(model => model.Email)<br />

@Html.LabelFor(model => model.Comments)<br />
@Html.TextAreaFor(model => model.Comments)<br />


<label for="file">Upload your Cv:</label>
<input type="file" name="file" /><br />

@using (Html.BeginForm("SaveDataContact", "Contact", new { enctype = "multipart/form-data" }, FormMethod.Post))
{


@Html.ValidationSummary();
@Html.AntiForgeryToken();


@Html.LabelFor(model => model.Name)<br/>
@Html.TextBoxFor(model => model.Name)<br />


@Html.LabelFor(model => model.Email)<br />
@Html.TextBoxFor(model => model.Email)<br />

@Html.LabelFor(model => model.Comments)<br />
@Html.TextAreaFor(model => model.Comments)<br />


<label for="file">Upload your Cv:</label>
@Html.TextBoxFor(m => m.file, new { type = "file", name = "file" })<br />