MongoDB and Entity Framework

Adding existing entities to a collection on a newly built object using the entity framework

In order to make a new order, I'm utilizing the Entity framework. A number of contacts are included in the sequence, forming a many-to-many link. When I create the order, I want to include a reference to an existing contact. Order and Contact an Entity Objects both exist.... Order order = new Order(); //set details on order Contact contact = ne...

LINQ to Entities only supports casting in the Entity Framework. basic kinds in the Entity Data Model

This is challenging with the Entity Framework, and I'm not sure you can accomplish your goals with only one return value type (IComparable, object, etc). You may think about changing your design to create a name-to-...Func<IQueryable<K>, IOrderedQueryable<K>>... values:..._possibleSortForForumItem.Add("CreateDate", query => query.OrderBy(item...

Select * from Entities where Id = (select max(Id) from Entities) in Entity Framework

Could you give this a shot?...using(var container = new TheModelContainer()) { string maxEntityName = container.Entities.Max(e => e.Name); Entity maxEntity = container.Entities .Where(e => e.Name == maxEntityName) .FirstOrDefault(); } ...That would choose the highest value possible for..

Entity Framework 6 Batch Updates and AuditLog using Entity Framework Extended

For some batch updates and batch deletes, I'm using Entity Framework 6 and EntityFramework Extended. The batch updates and deletes function OK, but I also need to know which entities were changed or removed (i.e. the current and previous values). Using the AuditLogger offered by EntityFramework, I reasoned. The information on the entities that were...

Oracle ODP.Net With Entity Framework 6 - Entity framework database compatible provider could not be found

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Entity Framework 6.1.3 and SQL Server CE 4.0 - No Entity Framework provider found

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Entity Framework - Updating entity with added/modified child and grandchild entities

I need advise because I'm not sure if I'm going about this the appropriate manner....I have an entity, and this entity has a collection of child entities, each of which has its own collection of child entities. comparable to this (simplified example)...public MyEntity() { public long Id { get; set; } public ICollection<MyChild> Children { g...

EntityFramework 6 and mongodb and Identity

I want to build up EntityFramework 6 with Mongodb utilizing a WebAPI project....I built up my entity framework code first model and mongodb database by clicking this link:...http://cdn.rssbus.com/help/DG1/ado/pg_efCodeFirst.htm...Now, I want to get Mongodb-based Entity Framework and Asp.net Identity 2 to function together. I am unable to locate any...

ADO.NET Entity Framework - Oracle with Entity Framework 6

I'm attempting to incorporate an ADO.NET Entity Data Model into my Oracle database-using ODP.NET solution, however I keep getting the following error:..."Your project references the latest version of Entity Framework; however, an Entity Framework database provider compatible with this version could not be found for your data connection. If you...

Entity Framework 6 vs Entity Framework Core Raw Sql

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