Given the following query: var query = from item in context.Users // Users if of type TblUser select new User()// User is the domain class model
I have an existing DB with a very simple one-way foreign key relationship between two tables. I need to create classes with mappings that will work with the existing DB.
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I\'m getting System.NotSupportedException: All objects in the EntitySet \'Entities.Message\' must have unique
I want to create a entity model from the existing database but all the table names contain \"_\"/underscore in the database so while creating poco classes i want remove underscore from name of the ent
Sorry this is quite a vague question. Been trying to find information on using a View with Entity Framework 4. Want to use开发者_如何转开发 it as a read only view, no interested in inserting/updating/
I\'ve been reading Scott Gu\'s post on code first design with ASP.Net MVC 2.0 and EF4 here: http://weblogs.开发者_开发技巧asp.net/scottgu/archive/2010/07/16/code-first-development-with-entity-framewo
I am experiencing an issue with EF4 and Proxy Pocos. I have 2 classes with the same name in the same assembly but different namespaces:
I want to have an abstract class Employee, and 2 derived classes; Staff and Operative. In my DB design, I have开发者_运维技巧 an Employee table and an EmployeeType table. The Employee table contains 2
I have 2 tables: Bikes and Wheels. Bike has 2 FKs to Wheels: Bike.FrontWheelID and Bike.BackWheelID. EF maps these onto Bike.Wheel and Bike.Wheel1, just using their type for name, which I 开发者_如何学
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