在Entity框架中无法调用DeleteObject - 缺少程序集引用？ [英] Can't call DeleteObject in Entity framework - missing an assembly reference?

问题描述

我想在我的asp.net MVC3 / Code-first Entity Framework应用程序中删除一个对象，但我似乎没有必要的选项，因为它提出了一个不包含DeleteObject的定义错误。任何人知道我是否缺少一个程序集引用。这是我的存储库代码：

  private dbContext db = new dbContext（）; 
 
 public void DeleteAccessDetails（AccessDetails details）
 {
 db.DeleteObject（details）; //这里的错误，因为DeleteObject不被识别
} 
  

这是我的参考： / p>

  using System; 
使用System.Collections.Generic; 
使用System.Linq; 
使用System.Web; 
使用MySite.Models; 
使用System.Data; 
使用System.Data.Objects; 
使用System.Web.Mvc; 
使用System.Data.Entity; 
  

我以为让System.Data.Entity已经足够引起DeleteObject，但是智能感知几乎是提出任何选项 - 只有Dispose，Entry，SaveChanges和Set

编辑：这里也是我的访问存储库的代码：

  Repository rep = new Repository（）; 
 AccessDetails paymentUpdate = rep.GetPaymentByID（item.AccessDetailsTableID）; 
 rep.DeleteAccessDetails（paymentUpdate）; 
  

编辑2：这是我的参考文件夹的图像：

感谢

解决方案

EF4.1中的DbContext文档似乎表明它不包括删除方法课程： http：/ /msdn.microsoft.com/en-us/library/system.data.entity.dbcontext(v=vs.103).aspx ...

这个问题看起来类似 - 可能有些帮助： MVC 3 EF 4.1 dbContext - 删除具有不可空的外键关系的一对多数据对象

I'm trying to delete an object in my asp.net MVC3/Code-first Entity Framework application, but I don't seem to have the necessary options, as it brings up a "does not contain a definition for DeleteObject" error. Anyone know if I'm missing an assembly reference. Here is my repository code:

private dbContext db = new dbContext();

public void DeleteAccessDetails(AccessDetails details)
{
     db.DeleteObject(details); //error here as DeleteObject isn't recognised
}

Here are my references:

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using MySite.Models;
using System.Data;
using System.Data.Objects;
using System.Web.Mvc;
using System.Data.Entity;

I thought having System.Data.Entity would have been enough to bring up DeleteObject, but intellisense is hardly bringing up any options - only Dispose, Entry, SaveChanges and Set

Edit: Here is also my code for accessing the repository:

Repository rep = new Repository();
AccessDetails paymentUpdate = rep.GetPaymentByID(item.AccessDetailsTableID);
rep.DeleteAccessDetails(paymentUpdate);

Edit 2: Here is an image of my references folder:

Thanks

解决方案

The documentation for the DbContext in EF4.1 seems to show that it doesn't include a delete method on that class: http://msdn.microsoft.com/en-us/library/system.data.entity.dbcontext(v=vs.103).aspx...

This question looks similar - might be some help: MVC 3 EF 4.1 dbContext - Deleting one-to-many data object with non-nullable foreign-key relation

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