在具有動態 ExpandoObject 的檢視中使用多個模型
ExpandoObject(System.Dynamic
名稱空間)是新增到 .Net Framework 4.0
的類。此類允許我們在執行時動態新增和刪除物件的屬性。通過使用 Expando 物件,我們可以將模型類新增到動態建立的 Expando 物件中。以下示例說明了如何使用此動態物件。
師生模特:
public class Teacher
{
public int TeacherId { get; set; }
public string Name { get; set; }
}
public class Student
{
public int StudentId { get; set; }
public string Name { get; set; }
}
教師和學生列表方法:
public List<Teacher> GetTeachers()
{
List<Teacher> teachers = new List<Teacher>();
teachers.Add(new Teacher { TeacherId = 1, Name = "Teacher1" });
teachers.Add(new Teacher { TeacherId = 2, Name = "Teacher2" });
teachers.Add(new Teacher { TeacherId = 3, Name = "Teacher3" });
return teachers;
}
public List<Student> GetStudents()
{
List<Student> students = new List<Student>();
students.Add(new Student { StudentId = 1, Name = "Student1"});
students.Add(new Student { StudentId = 2, Name = "Student2"});
students.Add(new Student { StudentId = 3, Name = "Student3"});
return students;
}
控制器(使用動態模型):
public class HomeController : Controller
{
public ActionResult Index()
{
ViewBag.Message = "Hello World";
dynamic mymodel = new ExpandoObject();
mymodel.Teachers = GetTeachers();
mymodel.Students = GetStudents();
return View(mymodel);
}
}
檢視:
@using ProjectName ; // Project Name
@model dynamic
@{
ViewBag.Title = "Home Page";
}
<h2>@ViewBag.Message</h2>
<h2>Teacher List</h2>
<table>
<tr>
<th>Id</th>
<th>Name</th>
</tr>
@foreach (Teacher teacher in Model.Teachers)
{
<tr>
<td>@teacher.TeacherId</td>
<td>@teacher.Name</td>
</tr>
}
</table>
<h2>Student List</h2>
<table>
<tr>
<th>Id</th>
<th>Name</th>
</tr>
@foreach (Student student in Model.Students)
{
<tr>
<td>@student.StudentId</td>
<td>@student.Name</td>
</tr>
}
</table>