If I am using SQL Server as my dat开发者_开发百科abase service, is there any compelling reason to look at LINQ to Entities over Linq to SQL?Linq to SQL is no longer being actively developed - they are
I\'m using LINQ to Entities. I have a table called Student; it has ID and Name as it\'s columns. 开发者_如何转开发ID is a primary key.
I have a LINQ query like this: from i in _db.Items.OfType<Medium>() from m in i.Modules from p in m.Pages
I have 2 tables; they have a many-to-many relationship. One is called Blog the other is Tag. A Blog can contain a List of Tag obje开发者_如何学Ccts. How can I go about getting all blogs that have a p
Why I am getting this error: The method \'Single\' is not supported by LINQ to Entities. Consider using the method \'First\' instead.
I have a database containing users and roles. The table Users has a reference to the table roles as each user is bin开发者_高级运维d to a role (one and only one).
I\'m using the Entity framework 3.5 and am having trouble running this query. I have the following entities: Applicant, application, and applicationstatusHistory (tracking job applicants)
I\'m trying to update an object, and getting: SqlDateTime overflow. Must be between 1/1/1753 12:00:00 AM and 12/31/9999 11:59:59 PM.
I am new to Entity 开发者_如何学JAVAFramework and LINQ and have run into a rather odd scenario.
How can I retrieve Tuples at Select using EF4? var productCount = (from product in context.products select new Tuple<Product, int>(product, products.Orders.Count));