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[英]Using the generic type 'System.Collections.Generic.List<T>' requires 1 type arguments
[英]Using the generic type 'PagedList.StaticPagedList<T>' requires 1 type arguments
我正在使用Asp.net MVC處理用戶角色。 我在“管理”部分上工作時陷入困境。 我在上面提到了一個問題,第二個問題是類似的,即使用通用類型'System.Collections.Generic.List'需要1個類型參數
這是我的代碼。
public ActionResult Index(string searchStringUserNameOrEmail, string currentFilter, int? page)
{
try
{
int intPage = 1;
int intPageSize = 5;
int intTotalPageCount = 0;
if (searchStringUserNameOrEmail != null)
{
intPage = 1;
}
else
{
if (currentFilter != null)
{
searchStringUserNameOrEmail = currentFilter;
intPage = page ?? 1;
}
else
{
searchStringUserNameOrEmail = "";
intPage = page ?? 1;
}
}
ViewBag.CurrentFilter = searchStringUserNameOrEmail;
List col_UserDTO = new List();
int intSkip = (intPage - 1) * intPageSize;
intTotalPageCount = UserManager.Users
.Where(x => x.UserName.Contains(searchStringUserNameOrEmail))
.Count();
var result = UserManager.Users
.Where(x => x.UserName.Contains(searchStringUserNameOrEmail))
.OrderBy(x => x.UserName)
.Skip(intSkip)
.Take(intPageSize)
.ToList();
foreach (var item in result)
{
ExpandedUserDTO objUserDTO = new ExpandedUserDTO();
objUserDTO.UserName = item.UserName;
objUserDTO.Email = item.Email;
objUserDTO.LockoutEndDateUtc = item.LockoutEndDateUtc;
col_UserDTO.Add(objUserDTO);
}
// Set the number of pages
// Error appears here
var _UserDTOAsIPagedList =
new StaticPagedList
(
col_UserDTO, intPage, intPageSize, intTotalPageCount
);
return View(_UserDTOAsIPagedList);
}
catch (Exception ex)
{
ModelState.AddModelError(string.Empty, "Error: " + ex);
List col_UserDTO = new List(); // Error appears here
return View(col_UserDTO.ToPagedList(1, 25));
}
}
#endregion
`
StaticPagedList
是通用的。 您需要提供集合的類型(對於col_UserDTO),在您的情況下為List
:
var _UserDTOAsIPagedList =
new StaticPagedList<List<ExpandedUserDTO>>
(
col_UserDTO, intPage, intPageSize, intTotalPageCount
);
請參閱http://www.programering.com/a/MTN2gDNwATM.html
您可能需要將List col_UserDTO
引用更改為List<ExpandedUserDTO> col_UserDTO
改用這個
var _UserDTOAsIPagedList =
new StaticPagedList<ExpandedUserDTO>
(
col_UserDTO, intPage, intPageSize, intTotalPageCount
);
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