Question

我的任务是在单个视图中显示多个models。我已根据我的要求创建了ViewModel但我无法满足我的要求。请查看下面的代码并纠正我哪里出错了???

public partial class StudentsDetail
    {
        public int StudentID { get; set; }
        public int ParentID { get; set; }
        public string StudentName { get; set; }
        public string Gender { get; set; }
        public string FatherName { get; set; }
        public string MotherName { get; set; }
        public Nullable<System.DateTime> DateOfBirth { get; set; }

        public virtual ParentsDetail ParentsDetail { get; set; }
        public virtual SchoolDetail SchoolDetail { get; set; }
}

//模型2

 public partial class ParentsDetail
    {
        public ParentsDetail()
        {
            this.StudentsDetails = new HashSet<StudentsDetail>();
        }

        public int ParentID { get; set; }
        public string Occupation { get; set; }
        public string Organization { get; set; }
        public string AnnualIncome { get; set; }

        public virtual ICollection<StudentsDetail> StudentsDetails { get; set; }
    }

//我创建的ViewModel

 public class ParentsInformationViewModel
    {
        public List<StudentsDetail> StudentsDetails { get; set; }
        public List<ParentsDetail> ParentsDetails { get; set; }

        public ParentsInformationViewModel(List<StudentsDetail> _studentDetails, List<ParentsDetail> _parentsDetails) //Should i pass all the required parameters that i want to display in view ????
        {
            StudentsDetails = _studentDetails;
            ParentsDetails = _parentsDetails;

        }

//最后这是我在StudentController中定义的方法（我是否以正确的方式/方式定义了它？）

public ActionResult StudentViewModel()
        {
            ViewBag.ParentsDetail = new ParentsDetail(); //ParentsDetail is my controller
            List<StudentsDetail> studentListObj = StudentsDetailsDAL.GetStudentDetails();
            List<ParentsInformationViewModel> ParentInfoVMObj = new List<ParentsInformationViewModel>();
            //foreach (var student in studentListObj)
            //{
            //    ParentInfoVMObj.Add(new ParentsInformationViewModel(student.StudentID, student.ParentID));

            //}
            //ParentInfoVMObj.Add(ParentInfoVMObj); /// don't know how to call the required viewmodel
            return View(ParentInfoVMObj);
        }

我知道ViewModel的上述方法是错误的，但如何使用它或我在哪里出错我无法得到。我想在视图中显示ViewModel作为详细视图。请纠正我，因为我是MVC3的首发。

提前致谢!!

Answer 1

在控制器中，按如下方式定义操作方法。

public ActionResult ParentsDetails()
{
    var studentDetails = new List<StudentDetail>();
    var parentDetails = new List<ParentsDetail>();

    // Fill your lists here, and pass them to viewmodel constructor.
    var viewModel = new ParentsInformationViewModel(studentDetails, parentDetails)

    // Return your viewmodel to corresponding view.
    return View(viewModel);
}

在您的视图中定义您的模型。

@model MySolution.ViewModels.ParentsInformationViewModel

Answer 2

您的视图中是否声明您正在接收类型

的模型

在视图中：

@model IEnumerable<ParentsInformationViewModel>

使用Razor MVC3中的ViewModel在单个视图中显示多个模型（仅在视图中显示详细信息）

2 个答案: