[英]Update database with passing values in entity framework database first
我在Db中有注册模型,控制器中的以下post方法对数据库进行了更新。 但是我也想更新登录数据模型
[HttpPost]
public ActionResult Register(StudentDetail details)
{
if (DbAccess.LoginDetails.FirstOrDefault(student => student.Username == details.Username) == null)
{
DbAccess.StudentDetails.Add(details);
**//here i also want to update login table with added details in database**
DbAccess.SaveChanges();
return RedirectToAction("HomePage");
}
return View();
}
下面是由实体框架数据库首先创建的模型
public StudentDetail()
{
this.UserFriends = new HashSet<UserFriend>();
}
public string StudentName { get; set; }
public string UnivName { get; set; }
public string City { get; set; }
public string Username { get; set; }
public string Password { get; set; }
public string EmailId { get; set; }
public virtual ICollection<UserFriend> UserFriends { get; set; }
}
public partial class LoginDetail
{
public string Username { get; set; }
public string Password { get; set; }
}
你们可以建议我在该post方法中使用Username和Password更新LoginDetail表的调用。
谢谢,
迈克尔德
要更新和现有的LoginDetail
记录,请执行以下操作:
var loginDetail = DbAccess.LoginDetails.Single(x => x.Username == details.Username);
loginDetail.Username = details.Username;
loginDetail.Password = details.Password;
DbAccess.Entry(loginDetail).State = EntityState.Modified;
DbAccess.SaveChanges();
要添加新的LoginDetail
记录,请执行以下操作:
var loginDetail = new LoginDetail{
Username = details.Username,
Password = details.Password
};
DbAccess.LoginDetails.Add(loginDetail);
DbAccess.SaveChanges();
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