我无法弄清楚这个错误是怎么回事:
The model item passed into the dictionary is of type 'System.Collections.Generic.List1[RepositoryExample.Employee]', but this dictionary requires a model item of type 'RepositoryExample.Models.IEmployeeManagerRepository'.`
当我进入索引 View 时,出现错误。我从 Controller 添加了索引 View ,但其中没有代码。我正在使用 Linq to SQL。
@model RepositoryExample.Models.IEmployeeManagerRepository
@{
ViewBag.Title = "Index";
}
<h2>Index</h2>
这是我的代码:
EmployeeController.cs
// GET: /Employee/
public ActionResult Index()
{
return View(_repository.ListEmployees());
}
LinqEmployeeManagerRepository.cs
public class LinqEmployeeManagerRepository: RepositoryExample.Models.IEmployeeManagerRepository
{
private DeptDirectoryDataClassesDataContext _db = new DeptDirectoryDataClassesDataContext();
public Employee GetEmployee(string UserName)
{
return (from e in _db.Employees where e.UserName == UserName select e).FirstOrDefault();
}
public IEnumerable<Employee> ListEmployees()
{
return _db.Employees.ToList();
}
public Employee CreateEmployee(Employee employeeToCreate)
{
_db.Employees.InsertOnSubmit(employeeToCreate);
_db.SubmitChanges();
return employeeToCreate;
}
public Employee EditEmployee(Employee employeeToEdit)
{
var OriginalEmployee = GetEmployee(employeeToEdit.UserName);
_db.Employees.Attach(employeeToEdit, OriginalEmployee);
_db.SubmitChanges();
return employeeToEdit;
}
public void DeleteEmployee(Employee employeeToDelete)
{
var OriginalEmployee = GetEmployee(employeeToDelete.UserName);
_db.Employees.DeleteOnSubmit(OriginalEmployee);
_db.SubmitChanges();
}
}
IEmployeeManagerRepository.cs
namespace RepositoryExample.Models
{
public interface IEmployeeManagerRepository
{
Employee CreateEmployee(Employee employeeToCreate);
void DeleteEmployee(Employee employeeToDelete);
Employee EditEmployee(Employee employeeToUpdate);
Employee GetEmployee(string UserName);
IEnumerable<Employee> ListEmployees();
}
}
你知道我做错了什么吗?我尝试遵循本教程中存储库模式的示例:http://www.asp.net/mvc/tutorials/iteration-4-make-the-application-loosely-coupled-cs .
最佳答案
在你的Index.cshtml
的顶部查看替换:
@model RepositoryExample.Models.IEmployeeManagerRepository
与:
@model IEnumerable<RepositoryExample.Employee>
_repository.ListEmployees()
方法返回 IEnumerable<Employee>
这就是您要传递给此处 View 的内容:
return View(_repository.ListEmployees());
这就是您应该在 @model
中使用的类型在您看来是指令。
关于asp.net-mvc - MVC 错误 - 传递到字典中的模型项的类型为 'System.Collections.Generic.List`,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/7573020/