entity-framework

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LINQ complex query navigation property

I have a problem here with getting data from my database with LINQ 开发者_运维问答I have two tables Team and TeamMember, which are related by 1-N relationship.[详细]

2023-04-11 10:15 分类：问答
Entity Framework, performance tuning

I have entity \"Ideas\", which has child entity collection \"ChildIdeas\". I need to load list of ideas and count of \"ChildIdeas\" (only count!).[详细]

2023-04-11 09:53 分类：问答
MEF and loading EntityTypeConfiguration in runtime

You cannot vote on your own post 0 Hi. I am developing this (http://arg-co.com/SabteNam%20-%20Copy.zip) windows application, and for my DAL I use Entity Framework. But every single extensionhas its[详细]

2023-04-11 08:59 分类：问答
Cascade on delete not cascading with EF

I have a simple sqlite database with two tables. When I manually delete (using SQLite Expert)an entry in table DataSets, the coresponding entry in OneD is deleted as expected. When I delete an entry i[详细]

2023-04-11 08:46 分类：问答
Add XML documentation / comments to properties/fields in EF generated classes

i have the habbit to comment properties and classes with the standard XML documentation, what it means / what they do开发者_开发问答.[详细]

2023-04-11 07:49 分类：问答
EF Code First - {"CREATE DATABASE permission denied in database 'master'."}

I just want to quickly spin up the default database in my development environment. How开发者_如何学Go is the easiest way to get around this problem?I once faced this problem and resolved it. The key[详细]

2023-04-11 07:48 分类：问答
EF4 and UnitOfWork - How to make custom properties work

Say I have: public class A { public virtual int Id { get; set; } } public class ARepository { private SomeContext _context;[详细]

2023-04-11 07:16 分类：问答
How to use an Update SPROC in Entity Framework 4.1

Background: I originally created an application on MVC3 and Entity Framework 4.1 (Database First & Generated DBContext). I following a repository pattern. In order to meet Corp. DBA requirements,[详细]

2023-04-11 07:01 分类：问答
SqlException during the pre-login handshake

I ported my SQL Server DB from local to production environment and suddenly faced the following error during connect[详细]

2023-04-11 06:35 分类：问答
Linq: Count Groups of Rows Including 0 For Missing Rows

I\'d like to summarize a list of activities into the number of occurrences by Day for the last week, using Linq to Entities.For example, let\'s say I have data like this in my database:[详细]

2023-04-11 06:26 分类：问答