WebFeb 12, 2016 · Use CountAsync instead: public static async Task> ToPaginatedListAsync (this IQueryable source, int pageSize, int pageIndex = 1) { var count = await source.CountAsync (); return await source.Skip () ... } Note that it's recommended to use ConfigureAwait (false) in "library" methods such as this one. Share WebApr 10, 2024 · When ToListAsync is called on the IQueryable, it will return a List containing only the requested page. The properties HasPreviousPage and HasNextPage can be used to enable or disable Previous and Next paging buttons. A CreateAsync method is used instead of a constructor to create the PaginatedList object because …
Null or empty object when LINQ to Entities query returns nothing
WebApr 27, 2024 · ToAsyncList () throws NullReferenceException but ToList () doesn't #24779 Closed Prajwal-Jadhav opened this issue on Apr 27, 2024 · 4 comments Prajwal-Jadhav … Web.Select (c => c.CustomEntityDefinitionCode) .FirstOrDefaultAsync (); if (definitionCode == null) return null; … redfish courtbouillon
Null or empty object when LINQ to Entities query returns …
WebToListAsync(IQueryable) Creates a List from an IQueryable by enumerating it asynchronously. ToListAsync(IQueryable, CancellationToken) Creates a List from an IQueryable by enumerating it asynchronously. ToListAsync(IQueryable) Creates a List from an … WebSep 29, 2024 · Hi, Inquiry First, this code works fine: [HttpGet] public async Task>> GetEmployees() { return await _context.Employees.ToListAsync(); } But when I modify to the following code, it returns null: [HttpGet] public async Task WebJul 8, 2024 · It depends! But first a clarification: .DefaultIfEmpty().First() can be written simpler as .FirstOrDefault() which does the same - returns the first item, or null if the result is empty.But you probably have a bug here: First() indicates you might have multiple items and want to select the first item - but since there is no ordering involved it means you will … redfish creative