[英]Issue With Insert Record In Database with Entity Framework
我在 SQL Server 中有表,然后转到 Visual Studio -> 服务器资源管理器 -> 添加连接,我的表添加成功。
问题是当我按下创建按钮时数据没有插入到 SQL Server 中,然后没有显示任何错误,我认为记录已创建,但是当我在 SQL Server Management Studio 中刷新时,在表中没有显示记录...
表: empls
empid int primary key
empname varchar(50)
empsalary varchar(50)
empage int
班级:
[Table("empls")]
public class stdimg
{
[Key]
public int empid { get; set; }
public string empname { get; set; }
public string empsalary { get; set; }
public int empage { get; set; }
}
Context 类是数据库和应用程序之间的桥梁:
using System.Data.Entity;
public class studcontext:DbContext
{
public DbSet<stdimg> stds { get; set; }
}
家庭控制器:
public class HomeController : Controller
{
studcontext _context = new studcontext();
[HttpGet]
public ActionResult InsertData()
{
return View();
}
[HttpPost]
public ActionResult InsertData(stdimg studs)
{
_context.stds.Add(studs);
_context.SaveChanges();
ViewBag.message = "data inserted successfully";
return View();
}
}
插入数据.cshtml:
@model ImageUploadUsingMvc.Models.stdimg
@{
ViewBag.Title = "InsertData";
}
<h2>InsertData</h2>
@using (Html.BeginForm())
{
@Html.AntiForgeryToken()
<div class="form-horizontal">
<h4>stdimg</h4>
<hr />
@Html.ValidationSummary(true, "", new { @class = "text-danger" })
<div class="form-group">
@Html.LabelFor(model => model.empname, htmlAttributes: new { @class = "control-label col-md-2" })
<div class="col-md-10">
@Html.EditorFor(model => model.empname, new { htmlAttributes = new { @class = "form-control" } })
@Html.ValidationMessageFor(model => model.empname, "", new { @class = "text-danger" })
</div>
</div>
<div class="form-group">
@Html.LabelFor(model => model.empsalary, htmlAttributes: new { @class = "control-label col-md-2" })
<div class="col-md-10">
@Html.EditorFor(model => model.empsalary, new { htmlAttributes = new { @class = "form-control" } })
@Html.ValidationMessageFor(model => model.empsalary, "", new { @class = "text-danger" })
</div>
</div>
<div class="form-group">
@Html.LabelFor(model => model.empage, htmlAttributes: new { @class = "control-label col-md-2" })
<div class="col-md-10">
@Html.EditorFor(model => model.empage, new { htmlAttributes = new { @class = "form-control" } })
@Html.ValidationMessageFor(model => model.empage, "", new { @class = "text-danger" })
</div>
</div>
<div class="form-group">
<div class="col-md-offset-2 col-md-10">
<input type="submit" value="Create" class="btn btn-default" />
</div>
</div>
</div>
}
<div>
@Html.ActionLink("Back to List", "Index")
</div>
<script src="~/Scripts/jquery-1.10.2.min.js"></script>
<script src="~/Scripts/jquery.validate.min.js"></script>
<script src="~/Scripts/jquery.validate.unobtrusive.min.js"></script>
我已经在 SQL Server Management Studio 中创建了一个数据库,并成功地在我的项目中添加了一个数据库。 但是当我点击创建按钮时,代码没有产生任何错误,但是刷新我的数据库后,记录没有显示......
我把viewbag.message="record successfully"
消息不显示,记录不显示在 SQL Server 中?
有人可以帮忙吗? 我究竟做错了什么?
您不在 Html.BeginForm() 上执行 Post 那么我建议您为该工作创建独立的服务
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