Top "Entity-framework" questions

Entity Framework is a LINQ-based object-database mapper for .NET.

Why am I getting this error: No mapping specified for the following EntitySet/AssociationSet - Entity1?

I'm using Entity Framework 4 with the Model First approach. I started the project, designed the entities and generated the database. …

.net entity-framework entity-framework-4
Entity Framework change connection at runtime

I have a web API project which references my model and DAL assemblies. The user is presented with a login …

c# entity-framework asp.net-web-api connection-string
Entity Framework and Connection Pooling

I've recently started to use the Entity Framework 4.0 in my .NET 4.0 application and am curious about a few things relating …

.net database entity-framework ado.net connection-pooling
How to get max value of a column using Entity Framework?

To get maximum value of a column that contains integer, I can use the following T-SQL comand SELECT MAX(expression ) …

c# sql entity-framework max
Update Multiple Rows in Entity Framework from a list of ids

I am trying to create a query for entity framework that will allow me to take a list of ids …

c# sql asp.net-mvc entity-framework sql-update
ASP.NET Identity DbContext confusion

A default MVC 5 App comes with this piece of code in IdentityModels.cs - this piece of code is for …

asp.net asp.net-mvc entity-framework asp.net-mvc-5 asp.net-identity
'No database provider has been configured for this DbContext' on SignInManager.PasswordSignInAsync

.Net Core 1.0.0 - SDK Preview 2 (x64) .Net Core 1.0.0 - VS "15" Preview 2 (x64) .Net Core 1.0.0 - Runtime (x64) So, we updated …

c# entity-framework asp.net-core asp.net-identity-3
Linq where clause compare only date value without time value

var _My_ResetSet_Array = _DB .tbl_MyTable .Where(x => x.Active == true && x.DateTimeValueColumn <= DateTime.Now) .…

c# entity-framework datetime linq-to-entities compare
EF 5 Enable-Migrations : No context type was found in the assembly

I have 4 projects : Toombu.Entities : all models are there Toombu.DataAccess: Mapping, Repository and ToombuContext Toombu.Logique : Logic of my …

c# entity-framework asp.net-mvc-4 entity-framework-migrations
Unable to generate an explicit migration in entity framework

I am adding a new migration but this message shows: Unable to generate an explicit migration because the following explicit …

entity-framework entity-framework-migrations