0
我正在實現ASP.NET MVC 5 Web應用程序使用ASP.NET身份2和特洛伊古德的PagedList。我需要在JqGrid中以下列格式顯示UserRole數據:深度加載數據 - MVC /實體框架/庫模式
用戶名|角色名稱
這是我的UserRole類:
public class UserRole : Microsoft.AspNet.Identity.EntityFramework.IdentityUserRole<int>
{
[ForeignKey("UserId")]
public virtual User User { get; set; }
[ForeignKey("RoleId")]
public virtual Role Role { get; set; }
}
這是我的倉庫方法
public virtual IQueryable<UserRole> GetAsQueryable(Expression<Func<UserRole, bool>> where)
{
return _dataContext.UserRoles.Where(where).AsQueryable();
}
這是我的控制器方法(GetAsPagedList方法簡單地下令將輸入表,適用PagedList的.ToPagedList方法並返回它的一個子集):
public ActionResult GridData(MvcJqGrid.GridSettings gridSettings)
{
IQueryable<UserRole> items = _repository.GetAsQueryable();
IPagedList<T> pagedOrderedItems = PagingHelper<UserRole>.GetAsPagedList(
items,
gridSettings.SortOrder, gridSettings.SortColumn,
gridSettings.PageIndex, gridSettings.PageSize);
var jsonData = new
{
total = pagedOrderedItems.TotalItemCount/gridSettings.PageSize + 1,
page = gridSettings.PageIndex,
records = pagedOrderedItems.TotalItemCount,
rows = (
from c in pagedOrderedItems
select new
{
id = c.UserId + '-' + c.RoleId,
cell = new[]
{
"Edit",
"Details",
// TODO: something like this:
// [UserName] = c.User.UserName
// [RoleName] = c.Role.Name
c.Role.Name
}
}).ToArray()
};
return Json(jsonData, JsonRequestBehavior.AllowGet);
}
我不能弄清楚我應該在哪裏以及如何從通過外鍵鏈接到我的表格的表格中加載數據(I.E. Users.UserName和Roles.Name) - 你能幫忙嗎?