dbcontext

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Error while using DBContext Generator with Entity Framework 4.1

When I u开发者_StackOverflow中文版se ADO.NET DBContext Generator with Entity Framework 4.1 installed on an EDMX I got the following error:[详细]

2023-04-03 17:24 分类：问答
DbContext SaveChanges Order of Statement Execution

I have a table that has a unique index on a table with an Ordinal column.So for example the table will have the following columns:[详细]

2023-04-03 00:32 分类：问答
Update related entities Entity Framework DbContext

I\'m using EF with a DbContext and several POCO entities public class Customer { public int ID { get; set; }[详细]

2023-04-01 01:58 分类：问答
Reorganizing codes after generating it using ADO.NET DbContext Generator

Suppo开发者_Python百科se I am creating a application using the sample Northwind database using asp.net mvc 3 and entity framework database first approach. For that I am opening a new asp.net mvc 3 pro[详细]

2023-03-31 15:56 分类：问答
Entity Framework - OnModelCreating with Model First

I have a Entity Framework model set up with text templates to generate the code. However, one of them creates the DBContext containing an OnModelCreating.[详细]

2023-03-30 10:49 分类：问答
Unicode table name problem with DbContext in Entity Framework 4.1

I thought I\'d try the new DbContext way of doing things in EF 4.1, but ran into a problem. I generate a new entity data model from database (SQL Server 2008) and then I use the DbContext generator.[详细]

2023-03-29 02:06 分类：问答
ASP.NET MVC 3 EF CodeFirst - DBContext item editing

I have been frustrated by this for like a day...please help. I have an invoice section in which I\'m able to add new items dynamically by appending/removing DOM elements using JQuery...i have already[详细]

2023-03-28 09:16 分类：问答
Using Both ObjectContext and DbContext

Scenario: Trying to extract and rearange information from one database to an other. DB A has some data I want to get. I want to store it on DB B in a slightly different structure.[详细]

2023-03-27 11:10 分类：问答
Entity Framework, Code First, Update "one to many" relationship with independent associations

It took me way too long to find a solution to the scenario described below. What should seemingly be a simple affair proved to be rather difficult. The question is:[详细]

2023-03-26 16:41 分类：问答
DbContext Generator - configuring for model in another namespace

With ref开发者_JAVA技巧erence to EF 4.1 DbContext Generattor - Put Entities in different project? , what is required to get the DbContext to use the entities in another namespace? Do I need to edit th[详细]

2023-03-22 05:10 分类：问答