Linq Syntax - Selecting multiple columns?

This is my Linq Syntax which I am using to my entity model IQueryable<string> objEmployee = null; objEmploye...

Projecting into KeyValuePair via EF / Linq?

I'm trying to load a list of KeyValuePairs from an EF / Linq query like this: return (from o in context.myTable ...

What is sql version 662??

This server support version 662 and ealier. A downgrade path is not supported.. I have vs studio 2010 express + sql...

How do I concatenate strings in Entity Framework Query??

How do I concatenate strings in Entity Framework 4 I have a data from a column and I want to save as a string a comm...

Column names in each table must be unique. Column name 'StripeRecipientId' in table 'dbo.Foos' is specified more than once?

I have a model class named Foo that has, among others, these properties. public string StripeRecipientId { get; set...

Error message 'Unable to load one or more of the requested types. Retrieve the LoaderExceptions property for more information.'?

I have developed an application using Entity Framework, SQL Server 2000, Visual Studio 2008 and Enterprise Library...

Linq Syntax - Selecting multiple columns?

This is my Linq Syntax which I am using to my entity model IQueryable<string> objEmployee = null; objEmploye...

How to wait on task that runs async method?

I'm writing WPF app and recently started working with await/async so the GUI thread does not perform any time consum...

“Order by Col1, Col2” using entity framework?

I need to order by 2 columns using the entity framework. How is that done? return _repository.GetSomething().Order...

Entity framework left join?

How do I change this query so it returns all u.usergroups? from u in usergroups from p in u.UsergroupPrices select ...

Entity Framework 6: Clone object except ID?

In my MVVM program I have a Model class (say MyModel) from which I have an instance of reading from the database (us...

The entity type <type> is not part of the model for the current context?

I am getting into the Entity Framework, but I am unsure if I am missing a critical point in the code-first approach....

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 genera...