基肖尔，

最好的选择是拥有为您的任务和类别定义的模型(一体化)

这里是一切如何挂在一起。

哪里

IEnumerable Categories用于创建可供使用的下拉列表

model.NewTask.categoryId, Model.Categories) %>这将创建一个很好的下拉列表

private IEnumerable GetCategories

{

get

{

List categories = new List

{

new Category() {categoryId = 1, categoryName = "test1"},

new Category() {categoryId = 2, categoryName = "category2"}

};

return categories;

}

}

[AcceptVerbs(HttpVerbs.Get)]

public ActionResult CreateTask()

{

TaskModel taskModel = new TaskModel();

LoadCategoriesForModel(taskModel);

return View(taskModel);

}

private void LoadCategoriesForModel(TaskModel taskModel)

{

taskModel.Categories =

GetCategories.Select(

x =>

new SelectListItem()

{Text = x.categoryName, Value = x.categoryId.ToString(CultureInfo.InvariantCulture)});

}

public ActionResult CreateTask(TaskModel taskModel)

{

if (ModelState.IsValid)

{

// do your logic for saving

return RedirectToAction("Index");

}

else

{

LoadCategoriesForModel(taskModel);

return View(taskModel);

}

}

///

/// your model for creation

///

public class TaskModel

{

public Task NewTask { get; set; }

public IEnumerable Categories { get; set; }

}

///

/// Task

///

public class Task

{

public int taskId { get; set; }

public int categoryId { get; set; }

public string taskName { get; set; }

public bool isCompleted { get; set; }

public DateTime creationDate { get; set; }

public DateTime completionDate { get; set; }

public string remarks { get; set; }

public string completionRemarks { get; set; }

}

///

/// Category

///

public class Category

{

public int categoryId { get; set; }

public string categoryName { get; set; }

}