I am creating an application that uses EF as its data access orm. My entities are losing its state, causing th开发者_如何学Goat whenever I save a new entity, any objects in relationships are marked a
I have an entity set (lets call it Clients) that I am querying using LinqPad. It is accessing the data via Entity Framework.I am able to connect just fine and see most of my data.
Is there a way to insert data using LinqPad and the entity framework? You need a \"Context\" of some kind to do an Add or AddObject.I can\'t find how 开发者_如何学JAVAto get that reference.
It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical andcannot be reasonably answered in its current form. For help clari
I just installed the new EntityFramework.Migrations package. I scaffoled my migrations following this tutorial: http://blogs.msdn.com/b/adonet/archive/2011/09/21/code-first-migrations-alpha-3-no-magic
I have a simple hiearchical list of objects \"ProductGroups\" (IQueryable). Each \"ProductGroup\" has a collection of ProductGroups called \"Children\",an integer ParentId field and a boolean \"IsEnab
I have a WinForms project where i have to read massive xml-files (2gb+) and store the data in a MSSQL database.
Let\'s say I have the following class : public class Person { public string FirstName { get; set; } public string SurName { get; set; }
I have some basic knowledge of Entity Framework 4.1 Code First, but haven\'t used this in a production application yet. I am in the architecture phase of a web app and have made no firm commitments to
I want to be able to bind a datagridview to information stored in my entity framework database. I only wan开发者_如何学运维t to display a subset of the information stored in my entity framework and ha
加载中,请稍侯......