entity-framework-5

We have a rather large set of related tables with over 35 million related records each. I need to create a couple of WCF methods that would query the database with some parameters (data ranges, type codes, etc.) and return related results sets (from 10 to 10,000 records). The company is standardized on EF 4.0 but is open to 4.X. I might be able to make argument to migrate to 5.0 but it's less likely. What’s the best approach to deal with such a large number of records using Entity? Should I create a set of stored procs and call them from Entity or there is something I can do within Entity? I

I have developed many application now with Entity Framework Code First approach. In all of the I use Data Repository pattern. This Data Repository pattern queries over single entity at a Time. for e.g, I have 2 models Employee and Department So to fetch all employees and department I would create 2 data repository instances. e.g var empRepository = new DataRepository<Employee>(); var allEmployees = empRepository.GetAll(); var depRepository = new DataRepository<Department>(); var alldepartment = depRepository.GetAll(); Now, This pattern works great in most of the case. Now, When I want to

I am making a simple application for insert, update, delete, select data with Entity Framework I already made insertion, deletion and select all data. Now I want to select with where condition with filter of two fields For ex : I have table with userid username password email Now need selection like where email = "" and password = "" I know how to write query in SQL but having not clues with entity framework . Also need to store this result in datatable and looping solution both for learning purpose. This can help many beginners Beejee Using Linq To Entities with lambda expression: var result

I'm developing an ASP.Net MVC 4 application. I have a module that sends out the invoice in an email (using MVCMailer ) for some reason at I get the error: Value does not fall within the expected range If I step through the code it works without any error but as soon as I just run it it gives me that error. The section producing the error is: return Populate(x => { x.From = new System.Net.Mail.MailAddress("Sales@Scheduler.com", "Scheduler"); x.Subject = System.Configuration.ConfigurationManager.AppSettings["SiteName"].ToString() + " Inovice #" + (invoice.invoiceID + 1000).ToString() + " (" +

This is about some confusion I have about some of the entity framework material I have found from here: https://www.asp.net/ On this Page it explains how to wrap a dbcontext using a repository and to wrap a repository using a a unit of work class: http://www.asp.net/mvc/overview/older-versions/getting-started-with-ef-5-using-mvc-4/implementing-the-repository-and-unit-of-work-patterns-in-an-asp-net-mvc-application However, on this page it states that a dbcontext is already a combination of both the UOW pattern and the repository pattern: https://msdn.microsoft.com/en-us/library/system.data