I\'ve read ALL of: Unable to create a constant value of type 'System.Object' in Entity Framework
i have two tables product product_id product_Name 开发者_开发技巧product_Price product_Description product_image
List<int> types = Hospitals.GroupBy(h => h.TypeId, (key, group) => group.First()) .Select(t=> y.TypeId).ToList();
I\'m messing around with LINQ for the first time, and I\'m using EF 4.1 code first. I have entities containing nested Lists of other entities, for example:
I\'ve got the following query: 开发者_如何学Gomodel.Page = db.Pages .Where(p => p.PageId == Id)
I use following Linq To Entitiy To get the first and only record of my \'siteconfig\' Entity : var site = unitofwork.SiteConfigRepository.Get().FirstOrDefault();
Hi say I have objects of type Area with Names: Hokitika Dunedin开发者_开发知识库 Stewart Island West Coast
I have a form with add, edit, and save buttons. The form also has a datagridview. I have done this to update existing product entities and to add new product entities, then display the altered data i
I\'m trying to compare difference of two DateTimes in an L2E query. I know that the translation of DateTime methods to Entity Framework is really problematic, and I need a precise comparison in minute
I have two tables: table product1 with columns: product_id prodcut_name category_id another tablecategories
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